VR4U 03 / 06 / 10 Pilot operated Unloading Valve Dealer in Chennai. Veljan Unloading Valves series VR4U are pilot worked controls and used to dump a circuit at low strain when pilot tension at port X is kept up with higher than that of delta tension at port A set by the pilot spring.
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VR4U 03 / 06 / 10 Pilot operated Unloading Valve Dealer in Chennai. A common utilization of an unloader valve is to empty the low tension side of a twofold siphon. A Pump associated with an Accumulator circuit can likewise be dumped by the VR4U valve.
VR4U comprises of a high stream poppet type seat valve area constrained by the low stream, movable pilot segment mounted on top. Pressure setting is accomplished through knurled handle. For carefully designed setting, oak seed nut with lead seal is accessible as choice. Discretionary vent valve VVV01 sandwiched between pilot area and principle body can be utilized for venting the VR4U valves.
Especially quick reaction is gotten because of the exact proportion between the principle cylinder region and its mass. One of the interesting elements of VR4U is that it fills in as an alleviation valve at the set strain even without even a trace of outside pilot signal.