Rexroth SL 10 PB1-42/ R900443419
The Rexroth SL 10 PB1-42/ (R900443419) is a high-performance pilot-operated check valve designed for cartridge installation. This poppet-type valve ensures free flow from port A to port B while reliably blocking flow in the reverse direction. To allow flow from B to A, pilot pressure must be applied to port X. The SL 10 PB1-42/ is engineered for use in hydraulic systems requiring load holding, prevention of cylinder drift, or circuit isolation. Its robust construction and precise operation make it suitable for a wide range of industrial applications demanding reliability and control.
Technical Specifications:
- Type: Pilot-operated check valve, poppet type, cartridge design
- Model Code: SL 10 PB1-42/
- Rexroth Material Number: R900443419
- Nominal Size: 10
- Cracking Pressure (A to B): 0.5 bar (7.25 psi)
- Maximum Operating Pressure: 350 bar (5075 psi)
- Maximum Flow: 120 L/min (31.7 gpm)
- Pilot Ratio (Area A : Area X): 2.5 : 1
- Hydraulic Fluid: Mineral oil (HL, HLP) per DIN 51524; other fluids on request
- Fluid Temperature Range: -30 °C to +80 °C (-22 °F to +176 °F)
- Viscosity Range: 2.8 to 380 mm²/s
- Seals: NBR (Nitrile Rubber)
- Cavity: CA-10A-2N (ISO 7368: M22 x 1.5)
- Weight: Approx. 0.25 kg (0.55 lbs)
- Component Series: 4X





| Brand | Rexroth |
|---|---|
| Model | SL 10 PB1-42/ R900443419 |
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