Parker Premier Valve, GP657 is a General Purpose 3/4 inch valve, brass body, 1-50 psi for steam. The Parker After Market GP 657 has a Cv of 7.40 and a maximum temperature of 300. Type 4 two-way solenoid valves have a brass body with a stainless steel seat insert and an ethylene propylene (EPT) diaphragm and seals. The GP 657 requires a G23 coil for operation.These valves are recommended for steam service up to 50 psig saturated steam.
Note: Do not apply on systems where steam is regulated to 50 psig or below from above 50 psig. Damage to the valve will result.
Parker model number is GP 657 ( 70714 ).
AFTERMARKETPARKER
The G23 coil is NOT included with the valve, see coil section.
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