4820-00-287-3139 VALVE,SAFETY RELIEF Index 4820-00-287-3148 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-287-3147

Federal Supply Class:
4820

National Item Identification Number:
002873147

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:
5VS2738056ASHCROFT INC


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
MATERIALCOPPER ALLOY BODY
COPPER ALLOY FLOW CONTROL DEVICE
COPPER ALLOY SEAT
COPPER ALLOY STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE7.000 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE7.750 INCHES
VALVE SIZE2.500 INCHES
FLOW CONTROL DEVICEDISK
VALVE DISCHARGE FLOW RATE49750.0 POUNDS PER HOUR
CONNECTION TYPEFLANGE 1ST END
FLANGE 2ND END
FLANGE SHAPEROUND WITH HOLES 1ST END
ROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER9.625 INCHES 1ST END
9.250 INCHES 2ND END
NOMINAL THICKNESS1.625 INCHES 1ST END
0.938 INCHES 2ND END
BOLT HOLE QUANTITY8 1ST END
9 2ND END
BOLT HOLE NOMINAL DIAMETER1.062 INCHES 1ST END
0.812 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER7.500 INCHES 1ST END
7.688 INCHES 2ND END
FLANGE FACE DESIGNRAISED STRAIGHT 1ST END
PLAIN 2ND END
RAISED FACE NOMINAL HEIGHT0.687 INCHES 1ST END
RAISED FACE NOMINAL DIAMETER6.375 INCHES 1ST END
RENEWABLE SEAT RING TYPETHREADED
BONNET TYPEEXPOSED SPRING
BONNET ATTACHMENT METHODBOLTED
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING1350.0 POUNDS PER SQUARE INCH


Click here to Register for Free 30-day Trial