Pressure Regulators

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Series 60 and 80 Pressure Relief Valves Types 81 and 83 are direct spring operated valves designed with special patented internals and soft seats to provide superior performance. This range is capable of solving the most difficult pressure relief problems with valves suitable for gas, vapor, and steam service. Type 81 and 83 valves carry the ASME Section VIII Code Stamp.
Designed for clean, filtered or strained, non-abrasive liquid service: oils, lubricants, greases, solvents, and most non-fluorinated chemicals compatible with Teflon PTFE seals. Valve is piston-operated, metal-seated without any elastomers.
The Series 90/9000 group of products is a very wide range of both pressure and vacuum relief valves, primarily designed for protecting low pressure storage vessels and tanks, as well as low pressure piping systems
High Pressure Regulator, balanced inlet (takes large inlet press range) Piston type valve, metal seated, spring operated 1/4"-2" NPT (see also flanged model PRH04-FLG) For water, chemicals, solvents, oil, air, gas Max inlet 5000 PSI (340 Bar) Max outlet 4500 PSI (306 Bar) spring operated, multiple spring ranges 303 & 316 Stainless steel, Hastelloy, Monel, titanium Designed for clean, filtered or strained, non-abrasive liquid service: oils, lubricants, greases, solvents, and most non-fluorinated chemicals compatible with Teflon PTFE seals. Valve is piston-operated, metal-seated without any elastomers.
-Spring-diaphragm operated -1/8"-1" NPT THD -Inlet pressures to 300 PSI (20 Bar) -Outlet pressures to 125 PSI (8.5 Bar) (multiple spring ranges)
PRS-06 Medium flow, unbalanced inlet, (not suitable for large inlet variations) Elastomeric diaphragm, rated temp to 350 Deg F (176 Deg C), 300 psi burst 3/8"-1" NPT, 1/2"-1" flanged For water, chemicals, solvents, steam, oil, air, gas Max inlet 300 PSI (20 Bar) Max outlet 75 PSI (5 Bar) spring operated, multiple spring ranges Body rated for 1500 PSI (100 Bar) spring operated, multiple spring ranges 303 & 316 stainless steel, Hastelloy, Monel, titanium, steel, brass
PRS-09i Low & medium flow, balanced inlet, (takes large inlet press range) Elastomeric diaphragm, rated temp to 350 Deg F (176 Deg C), 300 psi burst 1/2"-2" NPT (see also flanged model PRS09i-FLG) For water, chemicals, solvents, steam, oil, air, gas Max inlet 300 PSI (20 Bar) Max outlet 75 PSI (5 Bar) spring operated, multiple spring ranges Body rated for 1500 PSI (100 Bar) 303 & 316 stainless steel, special alloys, steel, brass
Comes as stainless steel valve or brass valve 1/8"-3" NPT THD Adjustable relief pressures from 0.5 PSI (0.03 Bar) to 400 PSI (27 Bar)*
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