Product Overview
The Rexroth LFA 32 DBWD2-71/200 (Material No. R900937921) is a two-stage pressure relief logic valve cover designed for use with Rexroth size 32 logic cartridge elements in industrial hydraulic systems. As a pilot-operated pressure control component, this cover integrates a pilot relief valve and a main stage control bore to regulate system pressure by venting the pilot chamber of the logic element when the set pressure is reached. The DBWD2 pilot cartridge provides adjustable pressure limitation with a defined cracking characteristic, while the 71 pressure rating denotes a nominal adjustment range up to 200 bar. This cover is engineered for direct mounting onto standard logic element bodies, enabling compact manifold block construction and reliable, repeatable pressure control in high-flow hydraulic circuits.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pressure Control Valve (Pilot-Operated Pressure Relief Logic Valve Cover) |
| Model Designation | LFA 32 DBWD2-71/200 / R900937921 |
| Nominal Size | NG32 (Size 32 logic element interface) |
| Pressure Adjustment Range | Up to 200 bar (71 pressure range designation) |
| Pilot Stage Type | DBWD2 pilot-operated pressure relief cartridge, adjustable |
| Operating Pressure | Standard Industrial Grade (up to rated 200 bar pilot setting) |
| Mounting & Connection | Standard ISO / Rexroth logic element cover interface, manifold mounting |
| Adjustment Method | Manual adjustment via set screw with locknut |
| Hydraulic Fluid Compatibility | Mineral oil based hydraulic fluids (HL, HLP, HLP-D per DIN 51524) |
Engineering Features & Advantages
- Precision Pressure Control: The DBWD2 pilot cartridge delivers accurate, repeatable pressure limitation with minimal hysteresis, ensuring stable system pressure regulation across the full adjustment range up to 200 bar.
- Two-Stage Logic Design: Combining a pilot relief stage with a size 32 logic element cover enables high flow capacity with fast response, making it ideal for high-pressure, high-flow manifold circuits.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with hardened and precision-machined sealing surfaces for long service life and minimal internal leakage.
- Compact Manifold Integration: The cover-mounted pilot valve eliminates external piping, reducing leak points and simplifying hydraulic power unit design.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth OEM standards, ensuring drop-in replacement without modification.
Typ
PRODUCT IMAGES
REXROTH LFA 32 DBWD2-71/200 / R900937921 Pressure Relief Logic Valve Cover
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- 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.
Shop the genuine REXROTH LFA 32 DBWD2-71/200 / R900937921 Proportional Directional Valve. This Germany-made 24V DC hydraulic component features a 2-way proportional design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.