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:
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL COMP 316 BODY
STEEL COMP 316 FLOW CONTROL DEVICE
RUBBER FLUOROCARBON CLASS FPM PACKING
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP-40.0 DEG FAHRENHEIT 1ST RESPONSE
400.0 DEG FAHRENHEIT 2ND RESPONSE
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODINTEGRAL
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE50.0 TO 150.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES2.562 IN. LONG 0.875 IN. HEX SIZE


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