Parker Series VBY / VBY*K Pilot Operated Pressure Relief Valves

Working extremely stable and precise, the proportional version series VBY*K in size NG06 is particularly suitable for use in machine tools and other applications.

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Parker’s proportional pressure relief valves series VBY*K in size NG06 provide a very low leakage and thus an optimized energy efficiency. The spool type valves work extremely stable and precise.

Markets:

• Industrial
• Machine tools

Benefits:

• Works stable and precise – for high process accuracy
• Low leakage – higher energy efficiency
• 5 pressure stages – enables fine adjustment
• Short delivery time for most versions – no warehousing necessary
• Subplate mounting acc. to ISO 5781
• Main stage spool type valve
• Pilot stage seated type valve
• External drain
• Proportional adjustment

Applications:

• Suitable for general hydraulic applications
• Machine tools, e.g. for clamping and other functions

Technical Specifications

Mounting Type	Subplate mounting
Operation Type	Pilot
Weight	Depending on size, 2.4 – 4.5 kg
Product Series	Pressure valve
Actuation Type	Manual, Solenoid
Maximum Flow Rate	N/A
Maximum Operating Pressure	Depending on size, 315 – 350 bar
Maximum Operating Temperature	60 °C
Minimum Operating Temperature	-20 °C
Seal Material	NBR, FPM
Body Material	Cast iron
For Fluid Type	Hydraulic oil according to DIN 51524, Water glycol
Pressure Control Range	N/A
Maximum Pressure Setting	64, 100, 160, 210, 315 bar
Flow Rate	Depending on size, 40 – 160 L/min