*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Parker H1-20-12MP - Hydraulic Pressure/Vacuum Relief Valves - H1 / HM1 Series

Parker's pressure/vacuum relief valves are designed for use with pressurized reservoirs to prevent pump cavitation by maintaining positive tank pressure and filtering incoming air.

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Brand Parker

Part No. H1-20-12MP

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Products specifications

Attribute name	Attribute value
Body Material	Steel	Maximum Operating Pressure	60 psi
Maximum Operating Temperature	250 °F	Seal Material	Elastomeric
Vacuum Relief Pressure	0.3 psi	Maximum Flow Rate	n/a
For Fluid Type	Hydraulic	Pressure Control Range	20 psi
Actuation Type	Mechanical	Division	Quick Coupling Division
Minimum Operating Temperature	-40 °F	Filter Type	Bronze, 10 micron
Special Options	na	Thread Type	Male NPTF
Connection Thread Size (inch)	3/4 - 14	Cracking Pressure (psi)	20

Product resources

Compliance, Certifications & Safety

Safety Guide: Quick Couplings and Related Accessories (PDF)

Literature and Reference Materials