4820-01-320-1222 VALVE,SAFETY RELIEF Index 4820-01-320-1224 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-320-1223

Federal Supply Class:
4820

National Item Identification Number:
013201223

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:
1385 B/M2385FG68435795LESLIE CONTROLS, INC.
MIL-DTL-2433281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
YB2385FG68435795LESLIE CONTROLS, INC.
MIL-V-2433281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+30.0 TO 50.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER3.312 INCHES FIRST END
BOLT CIRCLE NOMINAL DIAMETER3.375 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT HOLE QUANTITY6 FIRST END
BOLT HOLE QUANTITY4 SECOND END
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODTHREADED
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY1 LEVER
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.750 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTMB61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-228 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-228 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MATERIALRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM PACKING
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP180.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, SALT SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER4.500 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER5.062 INCHES FIRST END
NOMINAL THICKNESS0.438 INCHES ALL ENDS
NONDEFINITIVE SPEC/STD DATAB GRADE
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.750 INCHES
SPECIFICATION/STANDARD DATA81349-MIL-V-24332 GOVERNMENT SPECIFICATION
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE1.500 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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