1560-00-940-1881 SUPPORT,TANK ASSEMB Index 6130-00-940-1883 ADAPTER,POWER SUPPLY

National Stock Number:
4820-00-940-1882

Federal Supply Class:
4820

National Item Identification Number:
009401882

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:
140764-13B150RAYTHEON COMPANY
140764-149956RAYTHEON COMPANY
140764-154X10RAYTHEON COMPANY


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.625 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER3.125 INCHES ALL ENDS
BONNET ATTACHMENT METHODPRESSURE SEAL, RING TYPE
BONNET TYPEINSIDE SCREW
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FEATURES PROVIDEDVALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 316 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 316 OVERALL
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, FRESH SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER4.250 INCHES ALL ENDS
NOMINAL THICKNESS0.438 INCHES ALL ENDS
OPENING PRESSURE SETTING75.0 POUNDS PER SQUARE INCH
RAISED FACE NOMINAL DIAMETER2.000 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC


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