Z2S 10 Pilot Operated Check Valve
The Bosch Rexroth Z2S 10 is a sandwich-plate style, pilot-operated check valve designed for vertical stacking in modular hydraulic systems. Its primary purpose is to provide leakage-free isolation of one or both actuator lines (ports A and B), ensuring that hydraulic cylinders or motors hold their position securely under load—even during extended shutdown periods or a sudden loss of system pressure.
- Operating Pressure : High Performance Range
- Application : Industrial & Mobile Systems
About this item
The Bosch Rexroth Z2S 10 is a pilot-operated check valve featuring a sandwich plate design used for the leakage-free blocking of one or two actuator ports. It functions as an isolator valve in vertical modular stackings (Size 10 / NG10) to securely hold hydraulic loads, even during long standstill periods or unexpected pressure loss.
| Parameter / Aspect | Specification & Feature Details |
|---|---|
| Nominal Size | NG10 / CETOP 05 |
| Design Type | Sandwich plate design |
| Max Operating Pressure | Up to 315 bar (some models up to 350 bar) |
| Max Flow Rate | Up to 120 L/min (high-performance variants up to 160 L/min) |
| Component Series | 3X |
| Sealing Materials | NBR (Nitril) or FKM (Fluororubber) |
| Porting Pattern | ISO 4401-05-04-0-05 and ISO 4401-05-05-0-05 |
| Blocking Capabilities | Available for port A, port B, or both ports A and B |
| Decompression | Standard pre-opening feature to prevent hydraulic switching shocks |
| Pilot Control | Two-stage setup for safe unloading at low pilot pressures |
| Primary Function | Leakage-free blocking of actuator ports in modular stacks |
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