Product Overview
The HAWE H 3-1 is a directly actuated directional seat valve manufactured by HAWE Hydraulik, engineered for leak-free load holding and precise directional control in high-pressure hydraulic circuits. Unlike spool-type directional valves, this seat-type design utilizes a spring-loaded ball or cone seating element that seals metal-to-metal against the valve seat, ensuring zero internal leakage in the closed position. The H 3-1 is a 3-way/2-position (3/2) directional seat valve, typically configured for normally closed (NC) operation, and is actuated via a mechanical lever, push-button, or optional solenoid pilot. Its compact, manifold-mounting cartridge-style housing allows direct integration into control blocks, making it a preferred choice for clamping circuits, pilot control lines, and safety-related holding functions where pressure retention is critical.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Hydraulic Directional Seat Valve (3/2-way, seat design) |
| Model Designation | HAWE H 3-1 |
| Operating Pressure | Up to 500 bar (dependent on seat and seal configuration) |
| Nominal Flow Rate | Low-flow pilot and control range (approx. 2–12 L/min) |
| Actuation Type | Mechanical (lever / push-button) or solenoid pilot, depending on variant |
| Mounting & Connection | Manifold / cartridge mounting per HAWE interface standard |
| Sealing Principle | Metal-to-metal seat (ball/cone), leak-free in closed position |
Engineering Features & Advantages
- Zero-Leakage Sealing: The seat-type closure provides absolute tight shut-off, eliminating internal leakage and making the valve ideal for load-holding and clamping circuits where drift cannot be tolerated.
- High Pressure Capability: Designed to withstand continuous high-pressure operation, the robust seat and housing construction maintains sealing integrity even under sustained system pressure.
- Compact Cartridge Design: The space-saving manifold-mounting format reduces installation footprint and simplifies integration into existing hydraulic control blocks.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with wear-resistant seating surfaces that maintain performance over extended service cycles.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original HAWE OEM standards, ensuring drop-in replacement without modification.
Typical Industrial Applications
The HAWE H 3-1 directional seat valve is widely deployed in hydraulic systems requiring reliable shut-off and directional control, including plastic injection molding machines (mold clamping and ejector circuits), metallurgical presses and rolling mills, machine tool clamping and indexing systems, and general industrial hydraulic power units where leak-free pilot control and load holding are essential.
PRODUCT IMAGES
HAWE H 3-1 Directional Seat Valve
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
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- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine HAWE H 3-1 Solenoid Directional Seat Valve. This German-made 24V DC hydraulic component features a poppet-type design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.
