4820-00-835-3871 VALVE,SAFETY RELIEF Index 4820-00-835-3873 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-835-3872

Federal Supply Class:
4820

National Item Identification Number:
008353872

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:
516-031PCHPP16834293HUNTINGTON INGALLS INC
9879-151-02PCHPP16896169ELECTRIC BOAT CORPORATION
E8557Y41B01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+401.0/+500.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER3.125 INCHES 1ST END
BOLT HOLE NOMINAL DIAMETER0.562 INCHES 1ST END
BOLT HOLE QUANTITY4 1ST END
CONNECTION TYPEFLANGE 1ST END
DISK LOADING METHODSPRING
FLANGE FACE DESIGNPLAIN 1ST END
FLANGE SHAPEROUND WITH HOLES 1ST END
FLOW CONTROL DEVICEPOPPET
NOMINAL OUTSIDE DIAMETER4.500 INCHES 1ST END
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY SEAT
MATERIALCOPPER ALLOY STEM
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP150.0 DEG FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, SALT SINGLE RESPONSE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY MFG SPEC TYPE A2,CLASS C,THIS VALVEEQUIPPED WITH GAG ASSY
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC


Click here to Register for Free 30-day Trial