4820-01-263-3047 VALVE,SAFETY RELIEF Index 4810-01-263-3048 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-263-3048

Federal Supply Class:
4820

National Item Identification Number:
012633048

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:
1476B0111A294607AMOT CONTROLS LLC
733894607AMOT CONTROLS LLC


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
VALVE OPERATION METHODAUTOMATIC
MATERIALALUMINUM BODY
ALUMINUM FLOW CONTROL DEVICE
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
STEEL STEM
FLOW CONTROL DEVICEPISTON
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP60.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN,OPTIONAL END(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 METHODBOLTED
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE5.0 TO 30.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESGLOBE TYPE;3PORTS-INLET A,INLET B STRAIGHT THRU FLOW;PORT C VENT PORT AT BOTTOM;FURNISHED WITH MODIFICATION NO.2 OVERSPEED OR MANUAL TRIP LEVER 1 AND RESET LEVER 1


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