VR5V120 pages
PILOT OPERATED PRESSURE CONTROLS - FLANGED TYPE VR5 Series
nnnnr) ri
nnnnVeljan Flanged type, Valves Series VR5V( Relief ), VR5U (Unloader]
nnnnand VR5S (Sequence ) are pilot controls. These range of valves are
nnnnsuitable for mounting directly on a SAE Pump outlet flange, ensuring
nnnnmaximum pump protection against peak pressure and eliminating
nnnncostly piping. The pilot stage of VR5 valves are designed to reduce
nnnnpressure overshoot and minimise cracking flow, thus reducing
nnnnpower and production losses during high pressure operation .
nnnnVR5 valves consist of a high flow poppet type seat valve section
nnnncontrolled by the low flow, adjustable pilot section mounted on top.
nnnnPressure setting is achieved by means of a knurled knob.
nnnnFor tamper proof setting, acorn nut with lead seal is
nnnnavailable as option. Optional Vent Valve VWO
nnnnsandwiched between pilot section and main body can be
nnnnused for venting the VR5 valves.
nnnnExceptionally fast response is obtained due to precise
nnnnratio between main piston area and its mass. High
nnnnaccuracy and quiet, flutter free control are the important
nnnncharacteristics of VR5 valves.
nnnnPressure Relief valve VR5V
nnnnInternal Drain
nnnnExternal Drain
nnnnVR5V Pressure relief valves are used to limit the pressure of
nnnna hydraulic system. The VR5V may also be used to
nnnngenerate a pressure drop in a hydraulic circuit. Normally
nnnnport A is connected to pump and port B to tank.
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