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Monoblock WALVOIL SD4

Our Walvoil SD4 category presents a selection of single-section hydraulic control valves, designed for both open and closed center hydraulic systems. Emphasizing simplicity and compact design, these valves are ideal for applications requiring straightforward, efficient hydraulic control.

Streamlined Performance: With a nominal flow rating of 45 l/min (12 US gpm) and a maximum operating pressure of 250 bar (3600 psi), the SD4 valves are tailored for effective performance in various settings.

Compact and Versatile Design: The single-section build makes these valves an excellent choice for systems where space and simplicity are key.

Safety Assurance: Each valve is equipped with a main pressure relief valve, ensuring operational safety and reliability.

Control Flexibility: Available with manual and remote control options with flexible cables, these valves cater to different operational preferences and requirements.

Monoblock WALVOIL SD5

Walvoil SD5 category showcases a range of robust monoblock valves, perfect for both open and closed center hydraulic systems. Designed for simplicity, compactness, and heavy-duty use, these valves are suitable for a variety of applications, ensuring reliability and efficiency.

Max Flow  45 l/min (12 US gpm) and a maximum operating pressure of 315 bar (4600 psi)

Versatile Design: Available from 1 to 7 sections, the SD5 series is adaptable to a wide range of system requirements.

Safety and Stability: Each valve comes fitted with a main pressure relief valve and a load check valve, ensuring consistent and safe performance.

Circuit Flexibility: Choose from parallel, series, or tandem circuit options to match your specific system needs. Additionally, an optional power beyond port is available for parallel or tandem circuits.

Service Port Options: A wide variety of service port valve options are available, allowing for customization based on your application requirements.

Diverse Control Methods: Tailor your valve with a range of actuation options including manual, pneumatic, electro-pneumatic, hydraulic, electro-hydraulic, solenoid, and remote control with flexible cables, ensuring compatibility with various operational preferences.

Ideal for Multiple Applications:

The Walvoil SD5 series is a perfect fit for those who require a reliable and adaptable solution for their hydraulic systems, whether in industrial machinery, agricultural equipment, or other demanding applications

Monoblock WALVOIL SD11

-For small cranes & Waste Compactors and Vehicles Transporter

-Max flow 70l/min, 18gpm, 315bar/4600psi 

Simple, compact and heavy duty designed monoblock valves from 1 to 6 sections for open and closed centre hydraulic systems.

-Fitted with a main pressure relief valve and a load check valve.

- Available with parallel or series circuit.

- Optional power beyonf port (only for parallel circuit).

- Diameter 20 mm -- 0.79 in interchangeable spools.

- Available manual, pneumatic, hydraulic, electro-hydraulic and remote with flexible cables spool control kits.

Monoblock WALVOIL SD14

Available only in one‑section configuration, the SD14 valve is normally used to control motors for Boom Mowers, Conveyors and medium‑size Wood Splitter. Equipped with an ON/OFF electro-hydraulic control kit, it is assembled on Skid Steer Loaders.

Nominal flow rating 120 I/min 
Operating pressure (maximum) 250 bar3600 psi
Back pressure (maximum)on outlet port T25 bar360 psi
Internal leakage A(B)->TAp= 100 bar - 1450 psi fluid and valve at 40°C - 104°F3 cm³/min0.18 in³/min
Fluid Mineral base oil 
Fluid temperature with NBR (BUNA-N) sealsfrom - 20 to 80°C 
with FPM (VITON) sealsfrom 20 to 100°C 
Viscosityoperating rangefrom 15 to 75 mm2/sfrom 15 to 75 cSt
 min12 mm ²/s12 cSt
 max400 mm2/s400 cSt
Max level of contamination 19/16 - ISO 4406 
Ambient temperature from -40° to 60°C

Monoblock WALVOIL SD18

Simple, compact and heavy duty designed monoblock from 1 to 6 sections for open and closed center hydraulic systems.

- Fitted with a direct or pilot operated main pressure relief valve.

- Parallel circuit.

- Optional power beyond port.

- Diemeter 25 mm - 0.98 in interchangeable spools.

- A wide variety of service port valves.

- Available manual, pneumatic, electro- pneumatic, hydraulic and electro- hydraulic spool control kits

Nominal flow rating 160 I/min42 US gpm
Operating pressure (maximum) 250 bar3620 psi
Max. back pressureon outlet port T25 bar360 psi
Internal leakage A(B)->TAp=100 bar - 1450 psi fluid and valve at 40°C - 104°F4 cm³/min0.24 in³/min
Hydraulic fluid Mineral oil 
Fluid temperature range with NBR sealsfrom - -20 to 80°Cfrom - -4° to 176°F
with FPM (VITON) sealsfrom - -20° to 100°Cfrom - -4° to 212°F
Viscosityoperating rangefrom 15 to 75 mm²/sfrom 15 to 75 cSt
 min.12 mm2/s12 cSt
 max.400 mm ²/s400 cSt
Max level of contamination 19/16 - ISO 4406NAS 1638 - class10
Ambient temperature range from - -40° to 60°Cfrom -40° to 140°F

Monoblock WALVOIL SDM 80

Introducing the Walvoil SDM080: the most compact valve in Walvoil's product range, designed specifically for low flow applications. This monoblock valve combines efficiency, durability, and simplicity, making it an ideal choice for a variety of equipment including agricultural machinery, truck-mounted cranes, and small aerial platforms.

Compact Design for Low Flow Applications: The SDM080 is tailored for operations requiring precise control with lower flow rates, offering a nominal flow rating of 25 l/min (6.6 US gpm). Its compact design allows for easy integration into various hydraulic systems without compromising performance.

High-Pressure Capability: Despite its small size, the SDM080 is capable of handling high pressures up to 315 bar (4560 psi), ensuring robust performance in demanding environments. This high-pressure capacity makes it suitable for a wide range of applications, from farm equipment to industrial machinery.

Versatile Configuration: With the ability to accommodate up to 6 sections, the SDM080 offers flexibility in configuring your hydraulic system to meet specific operational needs. The pitch of 32 mm (1.26 in) between sections further enhances its adaptability, allowing for compact assembly and efficient use of space.

"S" Type Free Flow Gallery: The valve features a "S" type free flow gallery, ensuring smooth and efficient fluid flow through the valve, enhancing the overall efficiency of the hydraulic system.

Simplified Control: Focused on simplicity and reliability, the SDM080 is equipped with manual control. This straightforward approach ensures ease of use and maintenance, making it a practical solution for applications where simplicity and reliability are paramount.

Single Check Valve for Safety: Equipped with a single check valve, the SDM080 ensures safe operation by preventing backflow and protecting the hydraulic system from potential damage caused by pressure surges.

The Walvoil SDM080 monoblock valve stands out for its compact size, high-pressure capabilities, and simple yet effective control mechanism. It is the perfect solution for users seeking a reliable, high-performance valve for low flow applications across various industries.

Nominal flow rating25 l/min6.6 US gpm
Operating pressure (maximum)315 bar4600 psi
Max. back pressureon outlet port T25 bar360 psi
Internal leakage A(B)→TΔp=100 bar - 1450 psi fluid and valve at 40°C - 104°F3 cm³/min0.18 in³/min
FluidMineral oil
Fluid temperature rangewith NBR (BUNA-N) seals from -20° to 80°Cfrom -4° to 176°Fwith FPM (VITON) seals from -20° to 100°Cfrom -4° to 212°F
Viscosityoperating range from 15 to 75 mm²/sfrom 15 to 75 cSt
min. 12 mm²/s12 cSt
max. 400 mm²/s400 cSt
Max level of contamination19/16 - ISO 4406NAS 1638 - class 10
Ambient temperature rangefrom -40° to 60°Cfrom -40° to 140°F

NOTE - For different conditions please contact Customer Service.

Monoblock WALVOIL SDM 81

Introducing the Walvoil SDM081, a monoblock valve designed specifically for low flow applications, enhancing the features of its predecessor, the SDM080. This valve is tailored to meet the requirements of applications that demand precise control with modest flow rates, making it an ideal choice for a wide range of machinery, including agricultural, construction, and industrial equipment.

Enhanced Versatility with Auxiliary Options: The SDM081 sets itself apart with the ability to be equipped with port valves and unloader valves. This addition offers enhanced control and flexibility, allowing users to tailor the valve to specific system requirements and improve the operational efficiency of their machinery.

Robust Design for High-Pressure Applications: With a maximum pressure capacity of 315 bar (4600 psi) and a nominal flow rating of 25 l/min (6.6 US gpm), the SDM081 is designed to perform reliably in demanding environments. This high-pressure capability ensures that the valve can handle the rigorous requirements of various applications.

Flexible Control Mechanisms: The SDM081 supports both manual and electro-hydraulic controls, providing users with the flexibility to choose the control method that best fits their operational needs. This versatility enhances the valve's applicability across different types of machinery and control systems.

Compact and Efficient: Following the design principles of the SDM080, the SDM081 maintains a compact size with a pitch of 32 mm (1.26 in), enabling easy integration into a wide range of hydraulic systems without compromising space or performance. The ability to accommodate up to 6 sections further enhances its adaptability, allowing for complex configurations within a compact form factor.

Optimized Fluid Dynamics: Featuring a "Type S" free flow gallery, the SDM081 ensures efficient fluid dynamics, allowing for smooth and consistent operation. Combined with a single check valve for safety, this valve offers a reliable solution for controlling flow in low-volume applications.

Auxiliary Valves Arrangement for Added Functionality: The inclusion of auxiliary valve arrangements provides additional customization and control options, making the SDM081 a highly adaptable solution for various hydraulic system needs.

The Walvoil SDM081 monoblock valve, with its combination of compact size, high-pressure tolerance, versatile control options, and the ability to accommodate auxiliary valves, represents a significant advancement in hydraulic control technology for low flow applications.

Nominal flow rating30 l/min (7.9 US gpm)
Operating pressure315 bar (4600 psi)
Max. back pressure (outlet port T)25 bar (360 psi)
Internal leakage (100 bar - 1450 psi / 40°C - 104°F)3 cm³/min (0.18 in³/min)
Hydraulic fluidMineral oil
Fluid temperature-20 to 80°C (-4 to 176°F)
Viscosity minimum12 mm²/s (12cSt)
maximum400 mm²/s (400 cSt)
operating rangefrom 15 to 75 mm²/s (15 to 75 cSt)
Max. level of contamination19/16 - ISO4406
Ambient temperature-40 to 60°C (-40 to 140°F)

Monoblock WALVOIL SDM 100

Max Flow 70 l/min (18 US gpm) and an operating pressure of up to 315 bar (4600 psi)

Enhanced Safety: Each valve is equipped with a main pressure relief valve and a load check valve on every working section, ensuring safe and stable operation.

Flexible Configurations: Choose from parallel and series circuit options. For specialized needs, we offer a section with series-parallel (tandem) circuit upon request.

Advanced Options: Benefit from the optional power beyond port, enhancing the versatility of your hydraulic systems.

Customizable Control: Tailor your valve with anticavitation and antishock valves, available with fixed or adjustable settings on every section.

Additional Customizations: Opt for flange-mounted pilot check valves and unloader solenoid valves for each section, catering to specific requirements.

Versatile Control Options: Our range includes manual, pneumatic, electropneumatic, hydraulic, electrohydraulic, electric, and remote controls with flexible cable, ensuring compatibility with various systems and preferences.

Ideal for Various Applications:

Whether you're managing heavy machinery, industrial systems, or complex hydraulic setups, the Walvoil SDM 100 series offers the reliability and adaptability you need for optimal performance

Monoblock WALVOIL SDM122 DLM122

Walvoil SDM122-DLM122 category features an innovative range of hydraulic control valves, designed for open center systems (SDM122) and load sensing applications (DLM122). These valves are engineered to offer precision, reliability, and versatility for a wide array of hydraulic systems.

Optimized Performance: With a maximum flow rating of 80 l/min (21 US gpm) and an operating pressure of up to 250 bar (3600 psi), these valves are capable of handling demanding applications.

Enhanced Safety and Efficiency: The SDM122 is fitted with a main pressure relief valve, and both models include a load check valve on every working section, ensuring stable and safe operation.

Flexible Configuration: The SDM122 offers an optional power beyond port, adding to its versatility in various hydraulic setups.

Dedicated Control Options: Tailor your system with a range of control methods including manual, mechatronic, and remote control with flexible cables, catering to different operational needs and preferences.

Monoblock WALVOIL SDM143 - DLM142

Introducing the SDM143 and DLM142 hydraulic control valves, designed specifically for front-end loader applications. These valves set a new standard for performance and versatility, offering an optimal solution for demanding hydraulic systems.

High Performance: With a nominal flow of 80 l/min (21 US gpm) and a max pressure of 250 bar (3600 psi), these valves are engineered to handle rigorous tasks efficiently.

Load Sensing Capability: The DLM142, tailored for load-sensing applications, enhances system efficiency by adjusting flow and pressure based on load demands, leading to energy savings and improved performance.

Front-End Loader Design: Specifically designed for front-end loaders, these valves offer auxiliary valve options for various hydraulic functions, providing a compact and efficient control solution.

Adaptable Configuration: The compact design, featuring a 45 mm (1.77 in) pitch and two sections, ensures easy integration into diverse hydraulic systems, enhancing machine performance.

Versatile Control Options: Available with multiple control methods to suit different operational needs, including manual, mechatronic, and remote controls, these valves offer flexibility for any application.

Enhanced Safety: Equipped with advanced safety features, such as pressure relief and load check valves, ensuring stable operation and protection for both operator and machinery.

The SDM143 and DLM142 valves are the ideal choice for front-end loader applications, combining robust performance with precise control and safety.

Nominal flow rating80 l/min
Operating pressure (maximum)250 bar3600 psi
Max. back pressureon outlet port T10 bar145 psi
Internal leakage A(B)→TΔp=100 bar - 1450 psi fluid and valve at 40°C3 cm³/min0.18 in³/min
FluidMineral oil
Fluid temperaturewith NBR (BUNA-N) seals from -20° to 80°Cwith FPM (VITON) seals from -20° to 100°C
Viscosityoperating range from 15 to 75 mm²/sfrom 15 to 75 cSt
min. 12 mm²/s12 cSt
max. 400 mm²/s400 cSt
Max level of contamination19/16 - ISO 4406
Ambient temperaturefrom -40° to 60°C

NOTE - For different conditions please contact Customer Service.

Monoblock WALVOIL SDM102 - SDM103

Introducing the SDM102 and SDM103 hydraulic control valves, designed specifically for the needs of small front-end loader applications. These compact and efficient valves offer a tailored solution for enhancing the performance and reliability of hydraulic systems in smaller loaders.

Compact Design for Small Loaders: Tailored for the market of small front-end loaders, these valves feature a body designed for easy assembly with multiple quick-connector plates, ensuring automatic port connections for streamlined operations.

Versatile Circuit Options: With two circuit versions available, the SDM102 offers a parallel circuit for simultaneous operations, while the SDM103 provides a series circuit for sequential actions, catering to diverse operational needs.

Optimized for Performance: With a nominal flow rating of 45 l/min (12 US gpm) and a maximum pressure capacity of 250 bar (3600 psi), these valves are engineered to deliver efficient and robust performance in compact hydraulic systems.

Flexible Control and Easy Integration: Typically equipped with flexible cable remote control, these valves offer precise control, making them ideal for small loaders. The compact design, featuring a pitch of 38 mm (1.50 in), allows for easy integration into various hydraulic setups, enhancing machine responsiveness.

Enhanced Safety and Efficiency: Designed with safety and efficiency in mind, these valves ensure stable and secure operation, making them a reliable choice for front-end loader applications. The specialized design caters specifically to the requirements of small loaders, providing a perfect balance of performance and functionality.

The SDM102 and SDM103 valves represent the ideal hydraulic control solution for small front-end loaders, combining compact design, flexible control options, and robust performance to meet the specific needs of compact hydraulic systems.

Nominal flow rating45 l/min
Operating pressure (maximum)250 bar3600 psi
Max. back pressure25 bar360 psi
Internal leakage A(B)→TΔp=100 bar - 1450 psi fluid and valve at 40°C - 104°F3 cm³/min0.18 in³/min
FluidMineral oil
Fluid temperaturewith NBR (BUNA-N) seals from -20° to 80°Cwith FPM (VITON) seals from -20° to 100°C
Viscosityoperating range from 15 to 75 mm²/sfrom 15 to 75 cSt
min. 12 mm²/s12 cSt
max. 400 mm²/s400 cSt
Max level of contamination19/16 - ISO 4406
Ambient temperaturefrom -40° to 60°C

NOTE - For different conditions please contact Customer Service.

Monoblock WALVOIL SDM140 - DLM140

Introducing the SDM140 and DLM140 hydraulic control valves: compact, versatile monoblock solutions engineered for a wide range of heavy-duty applications. These valves offer unparalleled control and performance for agricultural machines, harvesters, front loaders, earth-moving machines, skid steer loaders, dumpers, shovels, telehandlers, forklifts, industrial vehicles, and all-terrain cranes.

Versatile and High-Performance: The SDM140 valve features a "Y" type free flow gallery and a parallel circuit design, ensuring efficient fluid flow and control across multiple applications. With a nominal flow rating of 80 l/min (21 US gpm) and a maximum pressure capacity of 315 bar (4600 psi), it is built to handle demanding tasks with ease.

Comprehensive Control Options: Offering manual, hydraulic, proportional electro-hydraulic, and pneumatic controls, the SDM140 and its load-sensing counterpart, the DLM140, provide flexible control options to meet diverse operational requirements. This versatility makes them ideal for a broad spectrum of machinery and tasks.

Load Sensing Configuration: The DLM140 maintains all the performance characteristics and versatility of the SDM140 but adds load-sensing capabilities. This feature optimizes the hydraulic system's efficiency by adjusting the flow and pressure according to the load, enhancing energy savings and operational precision.

Robust Design with Enhanced Safety: Each valve section comes equipped with a check valve, ensuring stable and secure operation across all sections. The robust design, coupled with a pitch of 45 mm (1.77 in), allows for seamless integration into various machines, enhancing reliability and safety.

Adaptable to Multiple Applications: With the capacity to manage up to 6 sections, these valves are exceptionally adaptable, making them suitable for a comprehensive range of applications from simple to complex hydraulic systems.

The SDM140 and DLM140 valves represent the forefront of hydraulic control technology, offering unmatched versatility, performance, and safety for a vast array of heavy-duty machinery. Their compact design, combined with extensive control options and high performance, ensures they meet the rigorous demands of modern hydraulic systems.

SDM140
Nominal flow rating80 l/min
Operating pressure (maximum)315 bar4600 psi
Max. back pressureon outlet port T25 bar360 psi
DLM140
Nominal flow rating110 l/min
Operating pressure (maximum)250 bar3600 psi
Max. back pressureon outlet port T25 bar360 psi
Internal leakage A(B)→TΔp=100 bar - 1450 psi, fluid and valve at 40°C3 cm³/min0.18 in³/min
Hydraulic fluidMineral base oil
Fluid temperaturewith NBR seals from -20° to 80°Cwith FPM (VITON) seals from -20° to 100°C
Viscosityoperating range from 15 to 75 mm²/sfrom 15 to 75 cSt
min. 12 mm²/s12 cSt
max. 400 mm²/s400 cSt
Max level of contamination/19/16 - ISO 4406
Ambient temperaturemechanical, hydraulic, pneumatic controls from -40° to 60°Celectric controls from -20° to 60°C

NOTE - For different conditions please contact Sales Dept.

Monoblock WALVOIL M45

The Walvoil M45 represents a pinnacle of versatility and flexibility in the realm of multipurpose monoblock valves. Designed to cater to a broad spectrum of hydraulic system requirements, the M45 is engineered to accommodate a diverse array of applications, making it a prime choice for professionals seeking comprehensive control solutions.

Wide Range of Control Options: With availability in manual, cable, direct electric, hydraulic, pneumatic, electro-hydraulic, and electro-pneumatic controls, the M45 offers unparalleled flexibility in operation. This wide selection ensures that the valve can be tailored to match the specific control preferences and requirements of any system, enhancing usability and integration.

Enhanced Functionalities: The M45 valve comes standard with a floating function, a critical feature for applications requiring precise movement control and pressure compensation. Additionally, regenerative functions can be achieved with special spools and bodies, optimizing performance for applications that benefit from energy-saving and efficiency-enhancing capabilities.

Special Configuration for Stabilizers: Recognizing the unique demands of stabilizer applications, the M45 includes special configurations tailored to these needs. This attention to detail ensures optimal performance and reliability when controlling stabilizers, highlighting the valve's adaptability to specialized tasks.

High Performance and Durability: Capable of handling a nominal flow rate of 45 l/min (12 US gpm) and withstanding pressures up to 350 bar (5100 psi), the M45 is built to perform in the most demanding environments. Its robust design guarantees long-lasting reliability and efficiency, even under high-pressure conditions.

Compact and Efficient Design: The valve's compact structure, with a pitch of 35 mm (1.38 in), and the ability to accommodate up to 6 sections, allows for efficient use of space without sacrificing functionality. This design enables seamless integration into a variety of hydraulic systems, ensuring optimal performance while maintaining a small footprint.

GENERAL SPECIFICATIONM45M50TR55
Working sections number1 - 61 - 71 - 7
CIRCUIT
Parallel
Tandem
Parallel circuit stroke (mm)55,55
Float spool extra stroke (mm)44,54,5
Spools pitch (mm)353536
RATED FLOW
Max recommended flow rate (l/min)455050
Max recommended flow rate (GPM)121515
RATED PRESSURE
Max working pressure (bar)350350350
Max working pressure (PSI)500050005000

Monoblock WALVOIL M50

The Walvoil M50 multipurpose monoblock valve embodies a blend of versatility and innovation, designed to cater to a wide spectrum of hydraulic systems in agricultural, earth-moving, material handling, and industrial vehicle applications. This valve distinguishes itself with its symmetric body design and a suite of control and customization options.

Symmetric Body Design for Flexible Installation: The M50's symmetric body allows for effortless conversion between right inlet to left inlet configurations, enhancing its compatibility with different system layouts. This feature ensures that the valve can be integrated seamlessly into a variety of machinery setups, providing flexibility in design and application.

Diverse Control Mechanisms: Equipped to support manual, cable, hydraulic, pneumatic, electrohydraulic, and electropneumatic controls, the M50 offers comprehensive control options. This versatility enables precise operation across numerous applications, ensuring that the valve can be tailored to meet specific operational needs effectively.

Customization Options for Enhanced Performance: Upon request, the M50 can include a dump valve, facilitating rapid system depressurization and enhancing safety and efficiency. Furthermore, its special configurations for stabilizers highlight the valve's adaptability to specific application requirements, ensuring optimal functionality in targeted operations.

Innovative Body Design with Auxiliary Valves: The special body design of the M50, which allows for the inclusion of auxiliary valves on each section, provides expanded control possibilities. This design enables the implementation of complex control strategies, allowing for nuanced management of hydraulic functions.

Robust Specifications for Demanding Applications: With a nominal flow rating of 50 l/min (13 US gpm) and a maximum pressure capacity of 350 bar (5100 psi), the M50 is engineered for high performance in challenging environments. Capable of accommodating up to 7 sections with a pitch of 35 mm (1.38 in), it offers a compact yet powerful solution for comprehensive hydraulic control in a diverse array of applications.

The Walvoil M50 valve stands out as a premier solution for those seeking a multipurpose monoblock valve that combines flexible installation options, a wide range of control mechanisms, and the ability to customize for specific applications. Its robust performance and innovative design make it an ideal choice for a broad range of industrial and agricultural machinery.

GENERAL SPECIFICATIONM45M50TR55
Working sections number1 - 61 - 71 - 7
CIRCUIT
Parallel
Tandem
Parallel circuit stroke (mm)55,55
Float spool extra stroke (mm)44,54,5
Spools pitch (mm)353536
RATED FLOW
Max recommended flow rate (l/min)455050
Max recommended flow rate (GPM)121515
RATED PRESSURE
Max working pressure (bar)350350350
Max working pressure (PSI)500050005000

Monoblock WALVOIL TR55

The TR55 monoblock valve emerges as a compact and versatile solution, engineered to deliver flexibility and efficiency across a broad spectrum of hydraulic applications. Its design and customizable options make it particularly suited for compact wheel loaders, agricultural machines, compact backhoe loaders, and backhoes, offering a high degree of adaptability to meet the specific demands of these applications.

Wide Range of Customization Options: The TR55 valve stands out for its array of available options and solutions, including adjustable port relief valves, anticavitation valves, and adjustable antishock and anticavitation valves. These features ensure that the valve can be finely tuned to the specific requirements of different hydraulic systems, enhancing performance and safety.

Optimal Control with Check Valves: Each section of the TR55 valve is equipped with a check valve, facilitating precise control even during simultaneous operations. This capability is crucial for applications requiring complex hydraulic functions to be performed with accuracy and efficiency, such as in agricultural and construction machinery.

Specialized Clamping Valve for Backhoe Applications: For configurations TR55/6 and TR55/7, an optional clamping valve is available, specifically designed to enhance the functionality and safety of backhoe applications. This addition demonstrates the TR55's capability to adapt to the specialized needs of heavy-duty equipment, providing targeted solutions for challenging tasks.

High Performance and Durability: With a nominal flow rating of 50 l/min (13 US gpm) and a maximum pressure capacity of 350 bar (5100 psi), the TR55 valve is built to withstand the demands of rigorous operations. Its capacity to support up to 7 sections, along with a pitch of 36 mm (1.42 in), allows for a compact yet powerful configuration, ensuring that the valve delivers reliable performance in a variety of settings.

The TR55 monoblock valve represents a pinnacle of hydraulic control technology, offering unparalleled flexibility, precision, and durability. Its comprehensive range of options and ability to meet the nuanced requirements of specific applications make it an ideal choice for professionals seeking a high-quality valve solution for compact loaders, agricultural machinery, and backhoe loaders.

Nominal flow rating50 l/min13 US gpm
Max. pressure (¹)350 bar5100 psi
Back pressure (max.) on outlet T portwith mechanical controls25 bar362.5 psi
with electrohydraulic controls3 bar43.5 psi
Standard internal leakage A(B)→TΔp = 100 bar - 1450 psi8 cm³/min max.0.5 in³/min max.
FluidMineral oil
Fluid temperature rangewith NBR (BUNA-N) sealsfrom -25°C to 80°Cfrom -13°F to 176°F
Viscosityoperating rangefrom 15 to 300 mm²/sfrom 15 to 300 cst
Contamination level20/18/15 - ISO 4406NAS 1638 class 9
Environmental temperature for working conditionswith mechanical, hydraulic, electric and electrohydraulic devicesfrom -40°C to 60°Cfrom -40°F to 140°F
Tie rods tightening torque (ch 13)30 Nm22 lbft

NOTE - (¹) Intermittent pressure at max. 250,000 cycles with specific internal testing.

- For different working conditions please, contact our Sales Department.

Monoblock WALVOIL GMV15

The GMV15 monoblock valve is a testament to engineering excellence, designed for low flow applications with a focus on compactness, simplicity, and versatility. Drawing inspiration from the Q15 valve's design principles, the GMV15 further enhances functionality with the ability to accommodate up to 4 sections. This valve is a perfect blend of efficiency and adaptability, suitable for a wide range of hydraulic systems that require precise flow control in a compact footprint.

Versatile Configuration for Enhanced Functionality: The GMV15's modular design allows for configurations up to 4 sections, offering flexibility to cater to various hydraulic circuit requirements. This versatility ensures that the valve can be tailored to meet the specific needs of different applications, from industrial machinery to mobile equipment.

Manual and Electric Push-Pull Controls: Equipped with options for manual and electric push-pull controls, the GMV15 provides users with the ability to choose the control method that best suits their operational preferences. This flexibility in control options enhances the user experience by allowing for easy adjustment and precise operation.

Solenoid Unloader Valve Option: The availability of a solenoid unloader valve adds a layer of convenience and efficiency, allowing for the remote control of hydraulic flow. This feature is particularly beneficial in applications where hydraulic circuits need to be quickly unloaded or where safety and efficiency are paramount.

Compact and Efficient Design: With a nominal flow rating of 15 l/min (4 US gpm) and a maximum pressure capacity of 280 bar (4050 psi), the GMV15 is designed to deliver reliable performance in low flow applications. The compact design, featuring a pitch of 28 mm (1.10 in), ensures that the valve can be integrated into systems with limited space, making it an ideal solution for applications that require a small footprint without compromising on hydraulic control capabilities.

Optimized for a Range of Applications: The GMV15's combination of compact size, versatile configurations, and control options make it well-suited for a variety of applications, including small industrial machinery, mobile equipment, and specialized hydraulic systems that require precise flow management and control.

In summary, the GMV15 monoblock valve stands out as a highly adaptable and efficient solution for low flow hydraulic applications, embodying the principles of compactness, simplicity, and versatility. Its design and features ensure that it meets the requirements of diverse applications, providing precise control and reliable performance in a compact package.

Nominal flow rating15 l/min (4 US gpm)
Max. pressure280 bar (4060 psi)
Max. back pressure on outlet T port25 bar (360 psi)
Number sectionsfrom 2 to 4
Internal leakage A(B)→TΔp = 100 bar (1450 psi) max. 5 cm³/min (0.30 in³/min)
FluidMineral oil
Fluid temperaturewith NBR (BUNA-N) seals from -30°C to 80°C (-22°F to 176°F)
Viscosityoperating range from 10 to 400 mm²/s (from 10 to 400 cSt)
Max. contamination level16/14/12 - ISO 4406 - NAS 1638 class 6
Ambient temperature with electric deviceswithout electric devices from -40°C to 60°C (-40°F to 140°F)
from -20°C to 50°C (-4°F to 122°F)

NOTE - For different conditions please contact our Sales Department.

Monoblock WALVOIL Q25 - Q45

The Q25 and Q45 monoblock valves represent a pinnacle in compact and versatile hydraulic control solutions, designed to cater to applications requiring low flow rates within a compact framework. These valves are a testament to hydraulic engineering, offering up to 8 sections for a broad spectrum of applications, including agriculture, earth-moving machines, lifting and transport, and industrial vehicles. The Q45, in particular, shines in its capacity to manage flow rates up to 50 l/min (13 US gpm), making it an ideal choice for a wide range of demanding applications.

Feature-Rich Design for Optimal Performance: Both the Q25 and Q45 come equipped with advanced features such as antishock, anticavitation, and combined flanged valves. These features are engineered to enhance the operational efficiency and safety of hydraulic systems, minimizing the risk of damage caused by pressure spikes and cavitation, and ensuring smooth and stable operation under varying load conditions.

Diverse Control Options for Enhanced Flexibility: To accommodate different operational needs and preferences, these valves offer an array of control options including manual, hydraulic, electric push-pull, pneumatic, and electro-pneumatic controls. This diversity in control mechanisms allows for tailored system configurations, ensuring precise control and responsiveness across a multitude of applications.

Robust Specifications for Demanding Environments: The Q45 valve, with its nominal flow rating of 50 l/min (13 US gpm) and a maximum pressure capacity of 350 bar (5100 psi), is built to withstand the rigors of demanding applications. Capable of accommodating up to 8 sections with a pitch of 38 mm (1.50 in), it offers a scalable and flexible solution that can be customized to meet the specific requirements of various hydraulic systems.

Compact and Efficient: The design of the Q25 and Q45 valves emphasizes compactness without sacrificing versatility or performance. This design philosophy ensures that these valves can be integrated into systems with limited space, providing efficient and reliable hydraulic control in a variety of settings.

In summary, the Q25 and Q45 monoblock valves are quintessential solutions for applications that demand low flow rates, compact design, and versatile hydraulic components. Their advanced features, coupled with a wide range of control options and robust specifications, make them perfectly suited for a variety of applications across agriculture, earth-moving, lifting, transport, and industrial vehicles. These valves are engineered to deliver reliable performance, precise control, and operational flexibility, making them an invaluable asset in any hydraulic system.

Nominal flow rating30 l/min (8 US gpm)50 l/min (13.2 US gpm)
Max. pressuremax. 300 bar (4350 psi)
Max. back pressure on outlet T port (*)25 bar (360 psi)25 bar (360 psi)
Number sectionsfrom 1 up to 2 sections3 sectionsfrom 4 up to 8 sections
Internal leakage A(B)→TΔp = 100 bar (1450 psi)4 cm³/min (0.24 in³/min)
FluidMineral oil
Fluid temperaturewith NBR (BUNA-N) seals from -30°C to 80°C (-22°F to 176°F)
Viscosityoperating range from 10 to 400 mm²/s (from 10 to 400 cSt)
Max. contamination level16/14/12 - ISO 4406 - NAS1638 class 6
Ambient temperaturewithout electric devicesfrom -40°C to 60°C (-40°F to 140°F)
with electric devicesfrom -20°C to 50°C (-4°F to 122°F)

NOTE - For different conditions please contact our Sales Department.

(*) - On request for 1 or 2 section monoblock valve only, max back pressure allowable is 180 bar (2610 psi)

Monoblock WALVOIL SD6 - DLS7

The SD6 and DLS7 represent state-of-the-art sectional valves, engineered for compactness, flexibility, and precision in control. Designed to cater to a diverse range of applications, these valves offer solutions tailored for small to medium hydraulic systems found in truck-mounted cranes, boom mowers, mini excavators, backhoe loaders, chipping machines, aerial platforms, and drilling rigs.

SD6: A Compact and Versatile Solution: The SD6 is characterized by its small size and flexible design, making it an ideal control valve for a variety of machinery. With a nominal flow rating of 45 l/min (12 US gpm) and a maximum pressure capacity of 315 bar (4600 psi), it is equipped to handle the demands of small and medium-sized hydraulic systems with efficiency and reliability. The SD6 can support up to 12 sections, allowing for extensive customization to meet the specific needs of each application.

DLS7: Optimized for Load-Sensing Applications: The DLS7 takes the functionality of the SD6 and enhances it for load-sensing applications, making it especially suitable for use on aerial platforms and in both vertical and horizontal drilling rigs. With a higher flow rating of 60 l/min (16 US gpm), the DLS7 is designed to provide more efficient control in systems where load variations are common, optimizing performance and energy use.

Advanced Features for Comprehensive Control:

Type "S" Free Flow Gallery: Ensures efficient fluid dynamics within the valve, promoting smooth operation and reducing pressure drops.

Integrated Safety Features: Both valves are fitted with a main pressure relief valve and a load check valve on every working section, ensuring stable operation and protecting the system from overpressure conditions.

Circuit Flexibility: Available with parallel, tandem, or series circuit configurations, these valves offer versatility to match any system requirements, enhancing functionality and adaptability.

Optional Carry-Over Port: Provides additional flexibility for hydraulic system design, allowing for the continuation of hydraulic flow to other sections or components.

Diverse Control Options: Accommodating manual, pneumatic, hydraulic, electro-hydraulic, and remote control with flexible cable, these valves ensure precise operation across various conditions and preferences.

Wide Range of Ports and Circuit Valves: The extensive selection of ports and circuit valves available with the SD6 and DLS7 valves allows for tailored hydraulic solutions, ensuring that each system can be optimized for its specific operational requirements.

In summary, the SD6 and DLS7 sectional valves offer unparalleled flexibility, efficiency, and precision for a wide array of hydraulic applications. Their compact design, combined with advanced features and extensive configurability, make them the ideal choice for professionals seeking reliable and versatile hydraulic control solutions.

SD6
Nominal flow rating45 l/min (12 US gpm)
Operating pressure (max.)parallel or tandem circuit315 bar4600 psi
series circuit210 bar3050 psi
Back pressure (max.)on outlet port T25 bar360 psi
Internal leakage A(B)→TΔp = 100 bar - 1450 psi fluid and valve at 40°C3 cm³/min *0.18 in³/min *
DLS7
Nominal flow rating (with 14 bar / 200 psi stand-by)on inlet port P75 l/min20 US gpm
on ports A and B60 l/min16 US gpm
Operating pressure (max.)315 bar (4600 psi)
Back pressure (max.)on outlet port T25 bar360 psi
Internal leakage A(B)→TΔp = 100 bar - 1450 psi fluid and valve at 40°C3 cm³/min *0.18 in³/min *
Fluid
Fluid temperaturewith NBR (BUNA-N) sealsfrom -20°C to 80°Cfrom -4°F to 176°F
with FPM (VITON) sealsfrom -20°C to 100°Cfrom -4°F to 212°F
Viscosityoperating rangefrom 15 to 75 mm²/sfrom 15 to 75 cSt
min.12 mm²/s12 cSt
max.400 mm²/s400 cSt
Max level of contamination
16/14/12 - ISO 4406 - NAS 1638 class 10
Ambient temperature
without electric devicesfrom -40°C to 60°C (-40°F to 140°F)
with electric devicesfrom -20°C to 50°C (-4°F to 122°F)
Tie rods tightening torque (wrench 13)30 Nm (22 lbft)

NOTE (*) - Except differently specified inside the catalog.

NOTE - For different conditions please contact Sales Dept.

(*) On request for 1 or 2 section monoblock valve only, max back pressure allowable is 180 bar (2610 psi)

Monoblock WALVOIL SD8 - DLS8

The SD8 and DLS8 sectional valves are designed for compactness, versatility, and flexibility, offering advanced technical features that make them well-suited for a wide range of heavy-duty applications. Ideal for cranes, telescopic boom forklifts, backhoe excavators, compactors, and more, these valves are engineered to meet the rigorous demands of various hydraulic systems, ensuring efficient and reliable operation.

SD8: High-Performance Sectional Valve: The SD8 stands out for its optimal flow rate and pressure limit, making it a perfect choice for diverse applications that require robust performance. With a nominal flow rating of 80 l/min (21 US gpm) and a maximum pressure capacity of 315 bar (4600 psi), the SD8 can accommodate up to 12 sections. This versatility allows for extensive customization to meet the specific needs of each application, from construction machinery to industrial equipment.

DLS8: Load Sensing for Precision and Efficiency: The DLS8 enhances the SD8's capabilities with a load-sensing feature, making it particularly effective for vertical and horizontal drilling rigs and front-loaders. With a higher flow rating of 100 l/min (26 US gpm), the DLS8 is designed to optimize system efficiency by adjusting the flow and pressure according to the load, thereby reducing energy consumption and improving operational precision.

Key Features for Comprehensive Control:

Integrated Safety Features: Both models are equipped with a main pressure relief valve and a load check valve on every working section, ensuring stable operation and protection against overpressure.

Circuit Configuration Flexibility: Available with parallel, tandem, or series circuit options, these valves offer the flexibility to match any system's requirements, enhancing functionality and adaptability.

Optional Carry-Over Port: This feature provides additional flexibility in hydraulic system design, allowing for uninterrupted hydraulic flow to subsequent sections or components.

Extensive Ports and Circuit Valve Options: The wide selection of ports and circuit valves allows for customized hydraulic solutions, ensuring optimal performance for specific operational requirements.

Control Options for Every Need: With manual, pneumatic, hydraulic, electro-hydraulic, and remote control options, including flexible cable spool control kits, these valves ensure precise and efficient operation across a variety of conditions and applications.

Intermediate Sections for Custom Circuits: The availability of intermediate sections for several types of circuits further enhances the SD8 and DLS8's versatility, allowing for even more complex and tailored hydraulic system configurations.

Nominal flow rating90 l/min24 US gpm
Max. pressure315 bar4600 psi
Back pressure (max.)on outlet T port25 bar360 psi
Internal leakage A(B)→T (standard)Δp = 100 bar3 cm³/min0.18 in³/min
FluidMineral base oil
Fluid temperaturewith NBR (BUNA-N) sealsfrom -20°C to 80°Cfrom -4°F to 176°F
with FPM (VITON) sealsfrom -20°C to 100°Cfrom -4°F to 212°F
Viscosityoperating rangefrom 15 to 75 mm²/sfrom 15 to 75 cSt
min.12 mm²/s12 cSt
max.400 mm²/s400 cSt
Max. contamination level-/19/16 - ISO 4406 NAS 1638 - class 10
Environmental temperature for working conditionsfrom -40°C to 60°C (from -40°F to 140°F)
Tie rod tightening torque (wrench 13)30 Nm (22 lbft)

NOTE - For different conditions please contact our Sales Dept.