5961-01-539-3978 SEMICONDUCTOR DEVICE,DIODE Index 8905-01-539-3980 DUCK

National Stock Number:
4820-01-539-3979

Federal Supply Class:
4820

National Item Identification Number:
015393979

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:
3021672352CURTISS-WRIGHT FLOW CONTROL CORPORATION
30216 AY 85DC22M-140-40PSI72352CURTISS-WRIGHT FLOW CONTROL CORPORATION
85DC22M-140-40PSI72352CURTISS-WRIGHT FLOW CONTROL CORPORATION


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+36.0 TO 42.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER2.750 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.625 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SPRING
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY1 LEVER
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.000 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALSTEEL COMP 316 STEM
MEDIA FOR WHICH DESIGNEDOIL SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER3.875 INCHES ALL ENDS
NOMINAL THICKNESS0.500 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER1.687 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.000 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC OR MANUAL
VALVE SIZE0.750 INCHES


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