PARKER ZNS-B-01-2-S0-D1 098-91128-0 Counterbalance Valve

PARKER ZNS-B-01-2-S0-D1 098-91128-0 Stack‑mounted counterbalance valves serve as core control components for over‑running load conditions in industrial hydraulic systems, widely applied in hydraulic circuits requiring load holding and smooth load lowering.

PARKER ZNS counterbalance valve adopts a stack‑mounted configuration with a compact valve body layout. It minimizes external pipe connections to reduce system leakage risks and facilitates valve manifold integration and assembly. Featuring poppet‑valve sealing structure, it delivers reliable load holding under static equipment conditions, effectively preventing cylinder drifting and load dropping to enhance the overall machine safety level.

PARKER ZNS-B-01-2-S0-D1 098-91128-0 controls load‑down flow via pilot‑operated logic to suppress load runaway and hunting, enabling linear and smooth cylinder movement. Built‑in secondary relief protection absorbs abnormal system shock pressure and safeguards cylinders and piping components of Parker.

It fits industrial applications such as vertical machine‑tool slides, hydraulic lifting mechanisms and hoisting clamping devices. Its lock‑nut adjustment structure can be locked after on‑site commissioning to resist pressure offset caused by equipment vibration, delivering a stable and reliable load‑control solution for negative‑load working conditions.

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PARKER ZNS-B-01-2-S0-D1 098-91128-0 Counterbalance Valve