Product Overview
The BUCHER HYDRAULICS DVPA-1-10 is a direct-acting pressure relief valve engineered for precise system pressure limitation and overload protection in industrial hydraulic circuits. Manufactured by Bucher Hydraulics, a globally recognized leader in fluid power technology, this valve operates on a spring-loaded poppet principle: when system pressure exceeds the adjustable set point, the poppet lifts off its seat, diverting excess flow to the tank port and thereby maintaining the circuit at a safe, controlled pressure level. The DVPA-1-10 is designed for compact manifold mounting and delivers reliable, repeatable pressure regulation in continuous-duty hydraulic power units, machine tools, and mobile equipment. Its robust construction and precision-machined internal components ensure minimal pressure override and stable operation across the full adjustment range.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Hydraulic Valve — Direct-Acting Pressure Relief Valve (Pressure Control Valve) |
| Model Designation | DVPA-1-10 |
| Manufacturer | Bucher Hydraulics |
| Operating Pressure | Standard Industrial Grade (Up to 350 bar rated, depending on spring range configuration) |
| Actuation Type | Direct spring-loaded poppet, adjustable via hex set screw |
| Mounting & Connection | Cartridge / Manifold Mounting — Standard ISO / Manufacturer Interface |
| Port Configuration | P (Pressure Inlet) / T (Tank Return) — threaded cartridge body |
| Seal Material | NBR (Buna-N) standard; FKM available for high-temperature service |
| Fluid Compatibility | Mineral-based hydraulic oils (HL, HLP, HV) per DIN 51524 |
Engineering Features & Advantages
- Precision Pressure Control: Direct-acting poppet design delivers fast response and accurate pressure limitation with minimal override, protecting downstream components from pressure spikes and overloads.
- Adjustable Set Point: Hex set screw with locknut allows fine-tuning of cracking pressure across the full spring range, enabling precise matching to specific circuit requirements.
- Compact Cartridge Construction: Space-saving threaded cartridge format facilitates direct installation into custom manifolds and integrated hydraulic blocks, reducing piping and leak points.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with hardened poppet and seat for long service life and consistent reseating.
- Low Internal Leakage: Precision-lapped seating surfaces minimize leakage below cracking pressure, improving system efficiency and reducing heat generation.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original BUCHER standards, allowing straightforward retrofit into existing hydraulic systems without rework.
Typical Industrial Applications
The BUCHER HYDRAULICS DVPA-1-10 is a direct-acting pressure relief valve engineered for precise system pressure limitation and overload protection in industrial hydraulic circuits.
PRODUCT IMAGES

BUCHER HYDRAULICS DVPA-1-10 Pressure Relief 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.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- 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.
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