4820-01-130-2157 VALVE,SAFETY RELIEF Index 4820-01-130-2159 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-130-2158

Federal Supply Class:
4820

National Item Identification Number:
011302158

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:
861701343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
G8617G41M01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
G8617G41M15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
NICKEL ALLOY FLOW CONTROL DEVICE
RUBBER SYNTHETIC PACKING
NICKEL ALLOY SEAT
NICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MIL-P-5516,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE PACKING
QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
STEAM 2ND RESPONSE
WATER, SALT 3RD RESPONSE
MAXIMUM OPERATING PRESSURE1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP150.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
CONNECTION STYLESOCKET WITH BRAZING RING (TUBE) ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED2.000 INCHES ALL ENDS
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODBOLTED
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE35.0 TO 44.0 POUNDS PER SQUARE INCH


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