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Rexroth Type SV SL Pilot Check Valve | SV10 SV20 SL10 SL6 | Decompression Type
| Model Number | SV10PA1-4X/, SV10 PA 3-4X, SV20 PA 3-4X, SL10 PA 3-4X |
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Product Description
Rexroth Type SV & SL Series Pilot Operated Check Valves
Product Overview: The SV and SL Series Pilot Operated Check Valves are essential components for position holding and load locking within hydraulic systems. Complying with ISO 4401 subplate mounting standards, these valves permit free flow in one direction and require a pilot pressure signal to open for reverse flow.
This category features core sizes from Size 6 (NG6) up to Size 20 (NG20), including the high-performance decompression models from SV10PA1-4X to SV20PA3-4X. The specialized PA/PB (Decompression) design allows for the safe release of high system pressure before the main poppet opens, eliminating hydraulic shock and protecting piping. These are the premier choice for injection molding machines, hydraulic presses, heavy-duty machine tools, and various pressure-holding circuits.
Key Technical Advantages:
Pre-Decompression Technology: Models with the PA suffix (e.g., SV10PA) feature a pilot poppet that releases high pressure smoothly before full flow, significantly enhancing system operational stability.
Zero-Leakage Integrity: Hardened, precision-ground poppets guarantee an absolute seal in the closed position, effectively preventing actuator drift (e.g., cylinder movement) due to internal leakage.
High-Response Pilot Control: Optimized pilot ratios (offered in PA1, PA2, and PA3 grades) ensure reliable opening across a wide range of system back-pressure conditions.
Robust Subplate Architecture: Engineered with high-strength cast iron bodies, these valves are rated for pressures up to 31.5 MPa and built to withstand high-frequency shocks in harsh environments.
Detailed Specifications & Parameters:
Core Series: Rexroth Type SV & SL Pilot Operated Check Valves.
Featured Model Matrix: SL6PB1-6X, SR10P1-1X, SV10PA1-4X, SV10PA2-4X, SV10PA3-4X, SL10PA3-4X, SV20PA3-4X.
Core Performance Specs:
Nominal Sizes: Size 6 (NG6), Size 10 (NG10), Size 20 (NG20).
Max Operating Pressure: Rated for 31.5 MPa (315 Bar / 4,500 PSI).
Design Sequences: 1X, 4X, and 6X series.
Pilot Ratio Options: Series 1, 2, and 3 (to match specific back-pressure requirements).
Mounting Standards: ISO 4401 standard subplate interface.
Company Profile
We adhere to international quality management standards and provide a 1-year warranty including maintenance and replacement. We have established long-term strategic cooperation with many well-known brands and continuously launch new products to meet market development. Flexible payment terms are supported, including USD settlement, Alipay, Western Union and T/T.
Relying on our standardized production base and professional foreign trade team, we provide competitive factory direct prices, efficient logistics channels and punctual delivery. FJZY Hydraulic is devoted to being your trustworthy long-term partner in hydraulic and agricultural machinery fields.
Our Advantages
Fast & Reliable Delivery
Extensive Partnerships
We collaborate with numerous factories, offering a wide range of product selections and providing you with instant quote responses
Strict Quality Assurance
Quality first is our principle. We provide a one-year warranty service, ensuring you receive top-tier quality products with confidence.
Competitive Pricing
Through efficient production and close cooperation, we offer highly competitive prices, guaranteeing a cost-effective experience for you.
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