4820-01-124-8236 VALVE,CHECK Index 4820-01-124-8238 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-124-8237

Federal Supply Class:
4820

National Item Identification Number:
011248237

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:
000-8002-38594756THE BOEING COMPANY
000-8012-38594756THE BOEING COMPANY
SS-4CPA218034NUPRO CO
SS-4CPA2-15018034NUPRO CO


Techincal Specification:
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL COMP 316 BODY
STEEL COMP 316 FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 316 ASSN STD SINGLE MATERIAL RESPONSE BODY
AISI 316 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
SURFACE TREATMENTPASSIVATE
FLOW CONTROL DEVICEPOPPET
MAXIMUM OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP400.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING150.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE


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