MW Counterbalance valve with 4 port – Load Control
MW counterbalance valve (4 ports) uses include:
- Lowering velocity control and stationary load holding
- Providing protection against hydraulic line failure and pressure shocks when placed next to actuator
- Suitability for diverse applications such as lifting applications, hydraulic cylinder, winches, extensible movable bridge, etc
- Also used in regeneration and servo/proportional valve circuits
Specifications for MW:
- Rated flow of up to 480 LPM
- Pressure range of 70 Bar- 350 Bar
- Leakage of up to 5 drops per min at Reseat
- Reseat at 85% of setting
Special features of MW valves:
- Stable at wide range of flow , especially at low flow
- Port 1 seats as a poppet valve and modulates as a spool valve, allowing these valves to modulate over a broader range of flows than the standard counterbalance (CB) designs. The longer stroke allows a uni-directional damping device to smoothen the opening and let the valve close quickly.
- Backpressure at port 2 does not affect the valve setting because the spring chamber references the vent (port 4)
- Full relief capacity