WSM03230C-01M-C-V-24DG | HYDAC Solenoid Valve 500bar 12L/min

Product Overview

The WSM03230C-01M-C-V-24DG (Material Number 3711216) is a classic model in the HYDAC WSM03230C series of 3/2 solenoid directional poppet valves. Featuring metric cartridge construction compatible with the 03230 standard cavity, this direct-acting poppet type, normally closed valve provides 3-way, 2-position directional control.

The valve is designed to control the direction and on/off function of fluid flow in hydraulic systems for mobile and industrial applications. The valve body is constructed from high tensile free-cutting steel with hardened and ground poppet components, and all external surfaces are zinc-plated for corrosion resistance. The valve is leakage-free (max. 5 drops/min).

Model Code Breakdown (WSM03230C-01M-C-V-24DG):

• WSM: Directional Seat Valve, metric

• 03: Nominal Size 3

• 230C: Function code — 3/2-way, direct-acting, normally closed

• 01: Standard model

• M: With manual override (Push Override)

• C: Cartridge valve

• V: FKM (fluoroelastomer) seals

• 24DG: 24V DC, DIN connector per EN 175301-803

Technical Specifications

• Model: WSM03230C-01M-C-V-24DG

• Material Number: 3711216

• Coil Part Number: 915142

• Brand: HYDAC

• Product Type: 3/2 Solenoid Directional Poppet Valve

• Valve Type: Direct-Acting Poppet Type

• Normal Position: Normally Closed — port 1 closed, port 2 to port 3 open when de-energized

• Cavity / Nominal Size: 03230 / Size 3

• Maximum Operating Pressure: 500 bar (7250 psi) 

• Maximum Flow Rate: 12 L/min

• Flow Rate Range: 0–12 L/min

• Internal Leakage: Leakage-free, max. 5 drops/min (0.25 cm³/min) @ 500 bar

• Media Temperature Range: -20°C to +120°C

• Ambient Temperature Range: -20°C to +60°C

• Hydraulic Fluid: Per DIN 51524 Parts 1 and 2

• Viscosity Range: 7.4–380 mm²/s

• Recommended Filtration: ISO 4406 21/19/16

• MTTFd: 150 years

• Coil Voltage: 24V DC

• Nominal Current (@ 20°C): 2.22 A

• Coil Resistance (@ 20°C): 5.4 Ω

• Voltage Tolerance: ±15%

• Duty Rating: 100% ED (Continuous) , up to 115% nominal voltage at 60°C ambient

• Switching Time: On approx. 35 ms / Off approx. 25 ms

• Mounting Position: Any

• Control Type: Direct-Acting

• Installation Type: Metric Cartridge

• Seal Material: FKM (fluoroelastomer) standard; NBR optional

• Connector Type: DIN EN 175301-803

• Manual Override: Equipped (Push Override) 

• Body Material: High tensile free-cutting steel

• Poppet Material: Hardened and ground steel

• Surface Treatment: Zinc-plated

• Weight: Valve complete 0.45 kg / Coil only 0.23 kg

Key Technical Advantages

1. Direct-Acting Poppet Construction — Leakage-Free Sealing

The WSM03230C-01M-C-V-24DG features direct-acting poppet construction—in the closed position, the poppet achieves metal-to-metal sealing against the seat. Unlike spool-type valves, the poppet design delivers leakage-free performance, with maximum leakage of only 5 drops/min (0.25 cm³/min) at 500 bar, making it ideal for applications requiring long-term actuator position holding.

2. 500 bar Ultra-High Pressure Capability

The WSM03230C series delivers 500 bar (7250 psi) maximum operating pressure. This places it at the forefront of 3/2-way cartridge-type solenoid directional valves in its class, making it suitable for ultra-high-pressure hydraulic systems — particularly hydraulic bolt tensioners, torque wrenches, and other ultra-high-pressure tool control circuits.

3. Wet-Type Solenoid Design for Quiet, Long-Life Operation

Features an oil-immersed solenoid armature design—the movable iron core operates fully submerged in hydraulic oil. The hydraulic oil lubricates moving parts to reduce wear and cushions switching impact and vibration. The HYDAC high-performance solenoid delivers excellent switching performance. Coils can be replaced without opening the hydraulic system.

4. FKM Seals for Broad Fluid Compatibility

This model is equipped with FKM (fluoroelastomer) seals, offering superior heat resistance (up to +120°C) and chemical resistance compared to standard NBR seals. Compatible with phosphate esters and other specialty hydraulic fluids, as well as higher temperature applications.

5. Hardened and Ground Poppet for Superior Wear Resistance

The poppet is hardened and precision ground. High-precision machining of critical control elements ensures long-term sealing performance and extremely low internal leakage, significantly extending valve service life.

6. Compact Cartridge Design for Space-Saving Installation

The metric cartridge construction enables direct installation in connection housings and control blocks for space-saving installation. The compact design significantly reduces external tubing and fittings, minimizing leakage risk and installation space requirements.

7. Manual Override for System Safety

Equipped with manual override (Push Override) . In case of power failure or emergency, the valve can be manually actuated for emergency directional control, ensuring system safety.

Application Areas

• Ultra-High-Pressure Hydraulic Tools — Directional control for hydraulic bolt tensioners and torque wrenches

• Cement Plant Roller Press Control Systems — Precision directional control for high-pressure roller press hydraulic systems

• Steel and Metallurgical Equipment — Directional control for rolling mills, continuous casting machines, and heavy-duty systems

• Construction Machinery — Hydraulic system control for excavators, loaders, and mobile equipment

• Industrial Hydraulic Systems — Various ultra-high-pressure applications requiring precise directional control

• Injection Molding Machinery — On/off and directional control for auxiliary oil circuits

• Die-Casting Machines — Directional control for high-pressure casting equipment

• Test Equipment — Directional control for ultra-high-pressure test benches

Expert Maintenance Tips

1. Installation Guidelines

• Thoroughly clean the cavity (03230 cavity) and valve exterior before installation to prevent foreign particles from entering and causing seal damage or spool sticking.

• Follow HYDAC specifications for installation torque to ensure proper valve seating.

• No orientation restrictions—any installation orientation is acceptable based on manifold design requirements.

• Cartridge valves can be installed directly in connection housings and control blocks without external piping.

• Threaded cavity specification: M20×1.5_03230.

2. Hydraulic Fluid Cleanliness

• Recommended fluid cleanliness: ISO 4406 21/19/16 or better.

• Use hydraulic oil meeting DIN 51524 Parts 1 and 2.

• Viscosity range: 7.4–380 mm²/s.

• Media temperature range: -20°C to +120°C.

3. Electrical Connection Specifications

• WSM03230C-01M-C-V-24DG uses 24V DC supply with nominal current of 2.22 A (@ 20°C).

• Coil resistance: 5.4 Ω (@ 20°C).

• Voltage tolerance: ±15%.

• Connector type: DIN EN 175301-803 standard.

• Coils are rated for 100% continuous duty (ED) , capable of operating at 115% of nominal voltage at 60°C ambient.

• For AC supply, select coils with built-in bridge rectifier.

4. Normally Closed Function Considerations

• WSM03230C-01 when de-energized: port 1 is closed, flow is allowed from port 2 to port 3.

• When energized: flow is allowed from port 1 to port 2, and port 3 is closed.

• This normally closed / energized switching function characteristic should be carefully considered during system design.

5. Seal Material Selection

• Standard FKM seals are suitable for -20°C to +120°C.

• NBR seals are optional for -20°C to +100°C.

• Backup rings are PTFE.

6. Periodic Maintenance Inspection

• Inspect the valve body for external oil leakage every 2,000 operating hours or at least annually.

• Check electrical connectors for looseness, oxidation, or moisture ingress.

• Solenoid coils can be replaced quickly without opening the hydraulic system.

• If response lag or unstable shifting is observed, first check system fluid cleanliness and poppet seal condition.

• Coils are UL94 V-0 flame rating certified.