The REXROTH S20 A 1.0 / R900420525 is a heavy-duty industrial directional seat valve engineered for leak-free shut-off and reliable flow control in hydraulic systems. Designed as a poppet-type seat valve, it ensures zero internal leakage in the closed position, making it ideal for load-holding and safety-related circuits.
REXROTH S20 A 1.0 / R900420525 Technical Specifications
| Valve Type | Directional seat valve, poppet design |
|---|---|
| Nominal Size | NG 20 |
| Maximum Operating Pressure | 350 bar (port A/B), 210 bar (port T) |
| Nominal Flow Rate | 1.0 L/min (orifice 1.0 mm) |
| Actuation Type | Manual lever or solenoid (depending on configuration) |
| Mounting Interface | ISO 4401 / CETOP manifold pattern |
| Fluid Compatibility | Mineral oil, HLP/HM, phosphate ester (consult factory) |
| Seal Material | NBR (standard), FKM optional |
| Operating Temperature Range | -20 °C to +80 °C |
| Body Material | Cast iron / steel |
Key Engineering Features
- Poppet-type seat design ensures zero leakage in closed position
- High pressure rating up to 350 bar for demanding applications
- Compact NG 20 manifold mounting per ISO 4401
- Precise orifice size (1.0 mm) for controlled flow
- Robust construction for long service life and minimal maintenance
- Compatible with a wide range of hydraulic fluids
Industrial Applications
- Hydraulic clamping and fixture systems
- Press and machine tool circuits
- Load-holding and safety-related hydraulic circuits
- Mobile and industrial hydraulic power units
- Test stands and specialized machinery
For technical inquiries, dimensional drawings, or replacement support for REXROTH S20 A 1.0 / R900420525, contact the Pro-Hydraulic engineering team.
PRODUCT IMAGES
REXROTH S20 A 1.0 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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- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the REXROTH S20 A 1.0 / R900420525 Directional Seat Valve. This precision-engineered hydraulic component delivers reliable performance and accurate operation for demanding industrial systems.