4820-01-254-0148 VALVE,SAFETY RELIEF Index 4820-01-254-0150 VALVE,BUTTERFLY

National Stock Number:
4820-01-254-0149

Federal Supply Class:
4820

National Item Identification Number:
012540149

Description:
VALVE,SAFETY RELIEF

Detail:
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.


Manufacturer Information:
44624-666-00-2K4556BRITISH AEROSPACE DEFENCE SYSTEMS LTD T/A BAE SYSTEMS
44624-666-00-2KC1M9BAE SYSTEMS MARITIME SERVICESLIMITED
SS-8CPA2-5002570SWAGELOK CO
SS-8CPA2-5018034NUPRO CO
SS-8CPA2-503T9T9SWAGELOK CO
SS-8CPA2-50U7307SOUTH LONDON VALVE & FITTING COMPANY TD T/A SWAGELOK LONDON
SS-8CPA2-50-DC02570SWAGELOK CO
SS-8CPA2-50-DC18034NUPRO CO
SS-8CPA2-50-DC3T9T9SWAGELOK CO


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+50.0 TO 150.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODINTEGRAL
BONNET TYPEINSIDE SPRING
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALRUBBER FLUOROCARBON CLASS FPM PACKING
MATERIALSTEEL COMP 316 BODY
MATERIALSTEEL COMP 316 FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP-40.0 FAHRENHEIT FIRST RESPONSE
MAXIMUM OPERATING TEMP400.0 FAHRENHEIT SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS
SPECIAL FEATURES2.562 IN. LONG 0.875 IN. HEX SIZE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS


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