Stopping Runaway Loads
Standard counterbalance valves help prevent static or dynamic loads from uncontrolled or uninitiated movement.
Handling Induced Pressure
In applications where pressure spikes are created by the operation of the machine, part-balanced counterbalance valves help avoid equipment damage by allowing line relief valves to operate normally.
Managing High or Variable Back Pressure
Fully balanced relief valves help stabilize systems that have very high or experience large variations in back pressure.
Compensating for High System Instability
Two-stage valves create stability in machinery with high intrinsic instability.
Technical Datas
Many types of equipment with proportional systems create backpressure as described earlier with a closed center directional valve system.
However, because the system is proportional,the backpressure created is often changing constantly,requiring a different approach to your application of counterbalance valves.
It has become common in the industry to resolve this challenge by using a fully balanced valves with an atmospheric drain.
While fully balanced valves help relieve the pressure,they are subject to contamination ingress and subsequent external leakage.
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