BVE1R-G24 HAWE Directional Seated Valve 2/2 Solenoid 24V DC

Series Overview

The BVE series is a screw-in cartridge-type directional seated valve developed and manufactured by HAWE Hydraulik SE (Germany). Available in 2/2-way and 3/2-way configurations, the BVE series employs poppet/ball-seated valve sealing technology that delivers zero-leakage sealing in the closed position.

The core design philosophy of the BVE series is internal pressure balancing—all ports can withstand identical pressure loads. With appropriate HAWE connection blocks, the BVE series supports direct pipe connection or manifold mounting.

The BVE series offers a comprehensive range of options:

• Spool Functions: 2/2-way and 3/2-way

• Actuation: Solenoid-operated (24V DC standard)

• Connection Sizes: G1/4, G3/8, G1/2 threaded ports

• Configurations: Cartridge valve (with or without connection block)

All BVE series directional valves supplied are genuine HAWE original products, ensuring 100% interchangeability with original equipment. Every unit undergoes rigorous application-specific simulation testing prior to shipment to guarantee optimal performance in your actual operating conditions.

Model Number Decoding:

• BVE = Series code (Directional Seated Valve)

• 1 / 3 = Size (1 = NG6 small / 3 = NG10 large)

• R / S / Z = Spool function (R = 2/2 or 3/2 NC / S = 2/2 or 3/2 NO / Z = 3/2 closed center)

• G = Solenoid type (G = DC solenoid)

• 24 = Coil voltage (24V DC)

• -3/8, -1/2 = Port size (for pipe connection versions)

Model 1: BVE1R-G24

Product Overview

The BVE1R-G24 is a 2/2-way solenoid-actuated directional seated valve from the HAWE BVE series, size 1 (NG6). Featuring a poppet-type seated valve design, this normally closed (NC) valve remains closed by spring force when de-energized and opens when the 24V DC solenoid is energized. Its zero-leakage characteristic makes it ideal for hydraulic systems requiring precise pressure holding.

Technical Specifications (Bulleted List)

• Model: BVE1R-G24

• Valve Type: 2/2-way Directional Seated Valve

• Size: 1 (NG6)

• Spool Function: R = Normally Closed (NC)

• Actuation: Direct Solenoid Actuation

• Nominal Voltage: 24V DC

• Max. Operating Pressure: 400 bar

• Max. Flow Rate: 20 to 50 L/min

• Sealing Principle: Poppet-type seated valve, zero-leakage

• Connection Type: Cartridge (with or without connection block) / Pipe connection

• Mounting Position: Any

• Hydraulic Fluid: Mineral oil (DIN 51524, ISO VG10 to 68)

• Viscosity Range: Min. ~4 mm²/s, Max. ~1500 mm²/s

• Optimum Viscosity: ~10 to 500 mm²/s

• Fluid Temperature: -25°C to +80°C

• Ambient Temperature: -40°C to +80°C

• Material & Surface: Steel, gas-nitrided

• Weight: Cartridge ~0.7 kg; with connection block ~1.4 kg

Key Technical Advantages

1. Zero-Leakage Seated Valve Sealing: The BVE1R-G24 employs a poppet-type seated valve design delivering zero-leakage sealing in the closed position. For hydraulic systems requiring long-term pressure holding (e.g., clamping systems, presses), this significantly reduces system pressure loss and improves energy efficiency.

2. All-Ports Equal Pressure Rating: Thanks to internal pressure balancing, all ports can withstand identical pressure loads (Pmax = 400 bar). This eliminates the risk of spool sticking caused by pressure imbalance—a common issue with traditional spool valves.

3. Hardened Seat for Extended Service Life: Critical internal components undergo hardening treatment, with the poppet and seat precision-ground. The resulting high surface hardness and finish ensure long-term wear resistance and sealing consistency under high-pressure, high-cycle switching conditions.

4. Broad Media and Temperature Compatibility: Supports fluid temperatures from -25°C to +80°C and ambient temperatures from -40°C to +80°C; viscosity range from 4 mm²/s to 1500 mm²/s. The BVE1R-G24 operates reliably even under cold-start conditions or with highly viscous media (e.g., lubricating grease).

Application Areas

• Hydraulic clamping and tooling system flow control

• Press hydraulic system pilot control

• Construction machinery hydraulic actuator direct control

• Highly viscous media (e.g., grease) conveying system directional control

• Pilot valve for large-flow hydraulic main valve control

Expert Maintenance Tips

• Verify cartridge cavity is clean and threads are intact before installation. Use HAWE-recommended installation torque for cartridge valves.

• The BVE series can operate in any mounting position; however, ensure the solenoid coil orientation facilitates wiring and maintenance access.

• System fluid cleanliness should meet ISO 4406 standard (recommended 20/18/15 or better) to prevent contamination damage to precision-ground poppet and seat surfaces.

• Solenoid coil voltage can be changed by simple coil replacement. Verify coil specifications match the required voltage when replacing.

• For cold starts below -25°C, note that starting viscosity may exceed the 1500 mm²/s upper limit—pre-heating the system fluid is recommended before operation.

Model 2: BVE3R-G24

Product Overview

The BVE3R-G24 is a 3/2-way solenoid-actuated directional seated valve from the HAWE BVE series, size 3 (NG10). Featuring a poppet-type seated valve design, this normally closed (NC) valve remains closed by spring force when de-energized and shifts when the 24V DC solenoid is energized. The 3/2-way spool function enables a single valve to perform both supply and return flow switching for actuators such as single-acting cylinders.

Technical Specifications (Bulleted List)

• Model: BVE3R-G24

• Valve Type: 3/2-way Directional Seated Valve

• Size: 3 (NG10)

• Spool Function: R = Normally Closed (NC)

• Actuation: Direct Solenoid Actuation

• Nominal Voltage: 24V DC

• Max. Operating Pressure: 400 bar

• Max. Flow Rate: 20 to 50 L/min(up to 70 L/min in some versions)

• Static Overload Pressure: Approx. 2 × Pmax per port (800 bar)

• Sealing Principle: Poppet-type seated valve, zero-leakage

• Connection Type: Cartridge (with or without connection block) / Pipe connection

• Mounting Position: Any

• Hydraulic Fluid: Mineral oil (DIN 51524, ISO VG10 to 68)

• Viscosity Range: Min. ~4 mm²/s, Max. ~1500 mm²/s

• Fluid Temperature: -25°C to +80°C

• Ambient Temperature: -40°C to +80°C

• Material & Surface: Steel, gas-nitrided

• Weight: Cartridge ~0.7 kg; with connection block ~1.4 kg

Key Technical Advantages

1. Versatile 3/2-Way Functionality: The 3/2-way spool function enables a single valve to perform both supply and return flow switching for actuators like single-acting cylinders. Compared to using two 2/2 valves, the BVE3R-G24 significantly simplifies hydraulic circuit design, reducing system complexity and cost.

2. Zero-Leakage Seated Valve Sealing: The poppet-type seated valve design delivers zero-leakage sealing in the closed position. For systems requiring strict pressure holding (clamping systems, presses, test benches), this characteristic significantly reduces system pressure loss.

3. High Static Overload Capacity: Static overload pressure at each port is approximately 2 × Pmax (800 bar) . This provides ample safety margin, protecting the valve body from damage during unexpected pressure spikes.

4. Interchangeable Solenoid Coils: Solenoid voltage can be changed by simple coil replacement. This greatly simplifies inventory management and on-site maintenance—users can adapt to different control voltages without replacing the entire valve body.

Application Areas

• Single-acting hydraulic cylinder extension and retraction control

• Hydraulic clamping system pilot control

• Press hydraulic system directional control

• Injection molding machine hydraulic system pilot valve applications

• Pilot valve for large-flow main valve control

Expert Maintenance Tips

• The BVE3R-G24 3/2 spool features negative overlap—during shifting, all ports are momentarily interconnected before the final closure at stroke end. System designers should account for this transitional state.

• Verify the cartridge cavity meets HAWE BVE series NG10 specifications before installation.

• Regularly inspect solenoid coil electrical connections for reliability, and check terminals for oxidation or loosening.

• In circuits supplied by accumulators or high-pressure pumps, flow should be limited to the permissible range via an orifice based on system pressure. The orifice should be installed on the accumulator side.

Model 3: BVE3S-G24

Product Overview

The BVE3S-G24 is a 3/2-way solenoid-actuated directional seated valve from the HAWE BVE series, size 3 (NG10). Unlike the normally closed BVE3R, the BVE3S is normally open (NO) —the spool remains in the open position when de-energized and closes when the 24V DC solenoid is energized. The BVE3S-G24 is ideal for safety circuits or fail-safe hydraulic system designs where the oil path must remain open in the event of power loss or solenoid failure, ensuring actuators return to a safe position.

Technical Specifications (Bulleted List)

• Model: BVE3S-G24

• Valve Type: 3/2-way Directional Seated Valve

• Size: 3 (NG10)

• Spool Function: S = Normally Open (NO)

• Actuation: Direct Solenoid Actuation

• Nominal Voltage: 24V DC

• Max. Operating Pressure: 400 bar

• Max. Flow Rate: 20 to 50 L/min

• Sealing Principle: Poppet-type seated valve, zero-leakage

• Connection Type: Cartridge (with or without connection block) / Pipe connection

• Mounting Position: Any

• Hydraulic Fluid: Mineral oil (DIN 51524, ISO VG10 to 68)

• Viscosity Range: Min. ~4 mm²/s, Max. ~1500 mm²/s

• Fluid Temperature: -25°C to +80°C

• Ambient Temperature: -40°C to +80°C

• Material & Surface: Steel, gas-nitrided

• Weight: Cartridge ~0.7 kg; with connection block ~1.4 kg

Key Technical Advantages

1. Fail-Safe (Normally Open) Design: The normally open (NO) design of the BVE3S-G24 makes it the ideal choice for safety circuits. In the event of system power loss or solenoid failure, the spool automatically returns to the open position via spring force, ensuring actuators remain in a preset safe state.

2. Zero-Leakage Seated Valve Sealing: The poppet-type seated valve design delivers zero-leakage sealing in the closed position (when energized). Reliable sealing performance is maintained even during the closing action of this normally open valve.

3. All-Ports Equal Pressure Rating: Thanks to internal pressure balancing, all ports can withstand identical pressure loads (Pmax = 400 bar), eliminating the risk of spool sticking caused by unbalanced hydraulic forces.

4. Broad Media Compatibility: Compatible with mineral oils and biodegradable hydraulic fluids (HEPG polyalkylene glycol, HEES synthetic esters, at fluid temperatures ≤70°C). Also suitable for highly viscous media (e.g., lubricating grease), meeting diverse industrial application requirements.

Application Areas

• Emergency unloading and directional control in safety circuits

• Injection molding machine safety gate hydraulic system fail-safe control

• Scissor lift hydraulic system safety protection

• Pilot valve for large-flow main valves requiring fail-safe functionality

• Highly viscous media conveying system directional control

Expert Maintenance Tips

• The BVE3S-G24 is normally open—the spool is in the open position when de-energized. During system commissioning and maintenance, be aware of this characteristic to avoid unintended actuator movement caused by misjudging spool state.

• For safety circuit applications, perform regular functional tests (simulating power loss conditions) to verify the spool reliably returns to the open position upon de-energization.

• When using biodegradable hydraulic fluids (HEPG or HEES), ensure fluid temperature does not exceed 70°C. Confirm seal compatibility with the fluid supplier.

• For cold-start conditions, note the starting viscosity limit (max. ~1500 mm²/s)—pre-heat the system if necessary.

Model 4: BVE1S-G24

Product Overview

The BVE1S-G24 is a 2/2-way solenoid-actuated directional seated valve from the HAWE BVE series, size 1 (NG6). This normally open (NO) valve remains open when de-energized and closes when the 24V DC solenoid is energized. The BVE1S-G24 is ideal for fail-safe on/off control applications where the oil path must remain open in the event of system power loss—such as cooling systems or lubrication systems that must continue operating even during power failure.

Technical Specifications (Bulleted List)

• Model: BVE1S-G24

• Valve Type: 2/2-way Directional Seated Valve

• Size: 1 (NG6)

• Spool Function: S = Normally Open (NO)

• Actuation: Direct Solenoid Actuation

• Nominal Voltage: 24V DC

• Max. Operating Pressure: 400 bar

• Max. Flow Rate: 20 to 50 L/min

• Sealing Principle: Poppet-type seated valve, zero-leakage

• Connection Type: Cartridge (with or without connection block) / Pipe connection

• Mounting Position: Any

• Hydraulic Fluid: Mineral oil (DIN 51524, ISO VG10 to 68)

• Viscosity Range: Min. ~4 mm²/s, Max. ~1500 mm²/s

• Fluid Temperature: -25°C to +80°C

• Ambient Temperature: -40°C to +80°C

• Material & Surface: Steel, gas-nitrided

• Weight: Cartridge ~0.7 kg; with connection block ~1.4 kg

Key Technical Advantages

1. Fail-Safe On/Off Control: The normally open (NO) design of the BVE1S-G24 makes it ideal for safety-related on/off control applications. In the event of power loss, the spool automatically opens, ensuring critical systems (cooling, lubrication) continue to operate.

2. Zero-Leakage Sealing: The poppet-type seated valve design delivers zero-leakage sealing in the closed position (when energized). For applications requiring strict flow cutoff (e.g., leak-sensitive circuits), this characteristic is essential.

3. Internal Pressure Balancing: All ports can withstand identical pressure loads (Pmax = 400 bar), ensuring reliable shifting regardless of port pressure conditions—eliminating the risk of spool sticking caused by pressure imbalance.

4. Compact Design, Flexible Installation: The NG6 small-size design, combined with cartridge construction, enables easy integration into space-constrained hydraulic manifolds. Supports any mounting position, providing maximum flexibility for system layout.

Application Areas

• Hydraulic system cooling circuit fail-safe on/off control

• Lubrication system safety supply control

• Hydraulic accumulator safety unloading control

• Pilot valve for fail-safe hydraulic circuits

• Highly viscous media conveying system safety shutoff

Expert Maintenance Tips

• The BVE1S-G24 is normally open—the spool is in the open position when de-energized. For applications requiring flow cutoff upon power loss, select BVE1R-G24 (normally closed) instead.

• For safety circuit applications, perform regular functional tests to verify the spool reliably returns to the open position upon de-energization.

• Ensure adequate heat dissipation around the solenoid coil—avoid continuous energization in confined spaces without ventilation to prevent coil overheating.

• When using biodegradable hydraulic fluids (HEPG or HEES), ensure fluid temperature does not exceed 70°C.

Model 5: BVE3Z-G24

Product Overview

The BVE3Z-G24 is a 3/2-way solenoid-actuated directional seated valve from the HAWE BVE series, size 3 (NG10). Featuring a Z-type spool function (closed center) , all ports are blocked when de-energized. The BVE3Z-G24 employs ball-seated valve technology, delivering zero-leakage sealing in the closed position. With a 24V DC solenoid direct actuation, this valve is ideal for applications requiring high precision pressure holding and absolute zero leakage. Some sources indicate the BVE3Z-G24 can handle up to 700 bar maximum operating pressure, making it one of the highest-pressure-rated models in the BVE series.

Technical Specifications (Bulleted List)

• Model: BVE3Z-G24

• Valve Type: 3/2-way Directional Seated Valve

• Size: 3 (NG10)

• Spool Function: Z = Closed Center (All ports blocked when de-energized)

• Actuation: Direct Solenoid Actuation

• Nominal Voltage: 24V DC

• Max. Operating Pressure: 400 bar(up to 700 bar in some versions)

• Max. Flow Rate: 25 L/min(up to 50 L/min in some versions)

• Sealing Principle: Ball-seated valve, zero-leakage

• Connection Type: Cartridge / Manifold Mounting

• Mounting Position: Any

• Hydraulic Fluid: Mineral oil (DIN 51524, ISO VG10 to 68)

• Viscosity Range: Min. ~4 mm²/s, Max. ~1500 mm²/s

• Fluid Temperature: -25°C to +80°C

• Ambient Temperature: -40°C to +80°C

• Material & Surface: Steel, gas-nitrided

• Weight: Cartridge ~0.7 kg; with connection block ~1.4 kg

Key Technical Advantages

1. Ball-Seated Zero-Leakage Sealing: The BVE3Z-G24 employs ball-seated valve technology, delivering absolute zero-leakage sealing in the closed position. For precision hydraulic systems requiring long-term pressure holding (clamping systems, test benches, presses), ball-seated sealing offers superior reliability and longer service life compared to traditional poppet designs.

2. Highest Pressure Rating: The BVE3Z-G24 can handle maximum operating pressures up to 700 bar, making it one of the highest-pressure-rated models in the BVE series—ideal for ultra-high-pressure hydraulic systems (tool hydraulics, test equipment).

3. Closed Center (All Ports Blocked) Function: The Z-type spool blocks all ports when de-energized. This makes the BVE3Z-G24 particularly suitable for bi-directional pressure holding applications—even during power loss, fluid on both sides of the actuator is locked, preventing any unintended movement.

4. Fast and Reliable Switching: Direct 24V DC solenoid actuation delivers short response times and reliable shifting performance. Combined with HAWE’s mature design and manufacturing processes, the BVE3Z-G24 maintains long-term stable performance under high-pressure, high-cycle switching conditions.

Application Areas

• Ultra-high-pressure hydraulic test equipment directional control

• Hydraulic clamping system bi-directional pressure holding

• Press hydraulic system precision positioning control

• Injection molding machine clamping system pressure holding

• Precision hydraulic control systems requiring absolute zero leakage

Expert Maintenance Tips

• The BVE3Z-G24 features closed center function—all ports are blocked when de-energized. For applications requiring actuators to return to a specific position upon power loss, select R-type or S-type instead.

• The ball-seated sealing of the BVE3Z-G24 requires higher fluid cleanliness. Recommended filtration level: NAS 1638 Class 8 or ISO 4406 19/17/14 or better.

• For 700 bar ultra-high-pressure applications, regularly inspect seal conditions on the valve body and connection blocks to prevent high-pressure leakage.

• In circuits supplied by accumulators or high-pressure pumps, flow should be limited to the permissible range via an orifice based on system pressure. The orifice should be installed on the accumulator side.

Model 6: BVE1R-G24-3/8

Product Overview

The BVE1R-G24-3/8 is a pipe-connection version of the HAWE BVE series 2/2-way solenoid-actuated directional seated valve. Unlike the standard cartridge-type BVE1R-G24, this model features an integrated G3/8 threaded port on the valve body, enabling direct pipe connection without the need for additional connection blocks. This normally closed (NC) valve remains closed by spring force when de-energized and opens when the 24V DC solenoid is energized. The maximum flow rate reaches 70 L/min, higher than the standard cartridge version.

Technical Specifications (Bulleted List)

• Model: BVE1R-G24-3/8

• Valve Type: 2/2-way Directional Seated Valve

• Size: 1 (NG6)

• Spool Function: R = Normally Closed (NC)

• Actuation: Direct Solenoid Actuation

• Nominal Voltage: 24V DC

• Max. Operating Pressure: 400 bar

• Max. Flow Rate: 70 L/min

• Sealing Principle: Poppet-type seated valve, zero-leakage

• Connection Type: Pipe connection (G3/8 threaded port)

• Connection Block: 1/2 valve block

• Mounting Position: Any

• Hydraulic Fluid: Mineral oil (DIN 51524, ISO VG10 to 68)

• Viscosity Range: Min. ~4 mm²/s, Max. ~1500 mm²/s

• Fluid Temperature: -25°C to +80°C

• Ambient Temperature: -40°C to +80°C

• Material & Surface: Steel, gas-nitrided

Key Technical Advantages

1. Plug-and-Play Pipe Connection: The integrated G3/8 threaded port enables direct installation into hydraulic piping systems. This eliminates the need for additional connection blocks, simplifies installation, reduces system cost, and is particularly suitable for space-constrained or complex plumbing hydraulic systems.

2. Higher Flow Capacity: Maximum flow rate of 70 L/min—higher than the standard cartridge BVE1R-G24’s 50 L/min limit—making it suitable for a wider range of industrial applications.

3. Zero-Leakage Sealing: The poppet-type seated valve design delivers zero-leakage sealing. Reliable sealing performance is maintained even under high-pressure conditions in the closed position.

4. Integrated Connection Block: The valve features a 1/2 valve block, enabling direct pipe connection without the need for additional design and machining of connection blocks—significantly reducing system integration lead time.

Application Areas

• Hydraulic piping system on/off flow control

• Industrial hydraulic power unit branch circuit isolation

• Construction machinery hydraulic system field pipe installation

• Rapid-deployment hydraulic test circuits

• Highly viscous media conveying system piping control

Expert Maintenance Tips

• The BVE1R-G24-3/8 uses G3/8 threaded ports for pipe connection. Use appropriate sealing materials (PTFE tape or thread sealant) to ensure reliable joint sealing. Avoid over-tightening, which may damage the valve body threads.

• The valve features a 1/2 valve block—verify piping layout matches the valve block port orientation during installation.

• As a pipe-mounted version exposed to the piping system, ensure adequate maintenance access around the valve body for future servicing and solenoid coil replacement.

• Regularly inspect pipe connections for loosening or leakage, particularly after system thermal cycling or vibration exposure.