4820-00-289-1777 VALVE,SAFETY RELIEF Index 4820-00-289-1789 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-289-1788

Federal Supply Class:
4820

National Item Identification Number:
002891788

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:
1815CCI 3 1/2IN 40T52PSI FLGE38056ASHCROFT INC


Techincal Specification:
STYLE DESIGNATORANGLE
MATERIALCOPPER ALLOY BODY
NICKEL ALLOY SEAT
COPPER ALLOY STEM
MEDIA FOR WHICH DESIGNEDWATER, FRESH SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP350.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEFLANGE 1ST END
FLANGE SHAPEROUND WITH HOLES 1ST END
NOMINAL OUTSIDE DIAMETER7.688 INCHES 1ST END
BOLT HOLE QUANTITY8 1ST END
BOLT HOLE NOMINAL DIAMETER0.562 INCHES 1ST END
BOLT CIRCLE NOMINAL DIAMETER6.562 INCHES 1ST END
FLANGE FACE DESIGNRAISED STRAIGHT 1ST END
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE36.0 TO 47.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESW/LIFTING LEVER


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