Parker Series VB / VS Direct Operated Pressure Relief Valve

Direct operated pressure relief valves with manual adjustment series VS in size NG06 and VB in size NG06 respond very quickly and work extremely stable and precise. The perfect choice for use in machine tools as well as other applications.

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Parker’s direct operated pressure relief valves with manual adjustment series VS in size NG06 and VB in size NG06 are spool type valves, therefore they work extremely stable and precise. Additionally they respond very quickly.

Series VB can also be used as a pressure sequence valve due to the high pressure capability in the outlet port and the external drain port.

Markets:

• Industrial
• Machine tools

Benefits:

• Works stable and precise – for high process accuracy
• Quick response – prevents pressure peaks
• Various pressure stages – enables fine adjustment
• Short delivery time for most versions – no warehousing necessary
• Subplate mounting, VS according to ISO 6264, VB according to ISO 5781
• VS: 5 pressure stages, VB: 5 pressure stages
• 2 adjustment modes
• Gauge ports

Applications

• Suitable for general hydraulic applications
• Machine tools

Technical Specifications

Seal Material	FPM
Adjustment Mechanism	Screw with hexagon socket
Operation Type	Direct
Actuation Type	Manually
Weight	Depending on size, 1.3 – 3.7 kg
Maximum Flow Rate	N/A
Maximum Operating Pressure	350
Maximum Operating Temperature	60
Minimum Operating Temperature	-20
Body Material	Depending on size/cast iron, steel
For Fluid Type	Hydraulic oil according to DIN 51524, Water glycol
Pressure Control Range	025, 064, 125, 160, 210, 350 L/min