Parker Series ZRD Throttle Check Valve

Parker’s throttle check valves series ZRD in sandwich design feature maximum flow rates up to 160l/min and enable an easy configuration of stack systems.

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Throttle check valves series ZRD in size NG06 (CETOP 03) and NG10 (CETOP 05) are part of Parker’s complete range of sandwich plate valves. Designed for maximum flow, they ensure the easy configuration of conventional stack systems.

The throttle check function can be located in port A or B as well as in A + B. Meter-in or meter-out functionality can be selected by model code. A low flow/high resolution version in NG06 for sensitive shifting time adjustment of pilot operated directional control valves is available on request.

Markets:

• Industrial
• Machine tools

Benefits:

• Compact, proven design that represents our long-term experience in hydraulics – increases reliability
• High flow capacity – optimum efficiency in relation to valve size
• Various functional arrangements – suitable for almost every application
• Short delivery time – no warehousing necessary
• Available in two sizes:
ZRD01 – NG06 (CETOP 03)
ZRD02 – NG10 (CETOP 05)

Applications:

• Suitable for general hydraulic applications
• Machine tools

Technical Specifications

Adjustment Mechanism	Hexagon screw with lock nut
Mounting Type	Screw-in mounting
Product Series	Throttle check valve
Maximum Operating Pressure	Depending on size, 315 – 350 bar
Flow Rate	Depending on size, 80 – 160 L/min
Actuation Type	Mechanical
Maximum Flow Rate	N/A
Maximum Operating Temperature	60 °C
Minimum Operating Temperature	-20 °C
Seal Material	NBR, FPM
Body Material	Steel
Configuration	Meter-out or meter-in control in A-, B- or A- + B-port
Connection Size	N/A
Connection Type	N/A
Cracking Pressure	0.7 bar
Flow Direction	Free flow in one direction, blocked in opposite direction
Mounting Position	Unrestricted
Function	Throttle check

Parker Series ZRD Throttle Check Valve

Markets:

Benefits:

Applications:

Technical Specifications