4820-00-287-2450 VALVE,SAFETY RELIEF Index 4820-00-287-2455 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-287-2454

Federal Supply Class:
4820

National Item Identification Number:
002872454

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:
1806CSU16497DRESSER, INC.
5VAG7216497DRESSER, INC.
D52UU-075P967DANTE VALVE COMPANY
D52UU-0765079DANCO VALVE COMPANY


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+104.0 TO 135.0 POUNDS PER SQUARE INCH
CONNECTION TYPEUNTHREADED INTERNAL PIPE FIRST END
CONNECTION STYLESTREAMLINED WITH ONE BRAZING RING FIRST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEPOPPET
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY 400 STEM
MATERIALNICKEL ALLOY SEAT
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES FIRST END
NONDEFINITIVE SPEC/STD DATAA1 TYPE AND C CLASS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY ADJUSTABLE PRESSURE RANGE
RENEWABLE SEAT RING TYPETHREADED
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC


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