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:
ADJUSTABLE PRESSURE RANGE+36.0 TO 47.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER6.562 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.562 INCHES FIRST END
BOLT HOLE QUANTITY8 FIRST END
CONNECTION TYPEFLANGE FIRST END
DISK LOADING METHODSPRING
FLANGE FACE DESIGNRAISED STRAIGHT FIRST END
FLANGE SHAPEROUND WITH HOLES FIRST END
OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY STEM
MATERIALNICKEL ALLOY SEAT
MAXIMUM OPERATING TEMP350.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, FRESH SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER7.688 INCHES FIRST END
SPECIAL FEATURESW/LIFTING LEVER
STYLE DESIGNATORANGLE


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