4820-01-436-2884 VALVE,SAFETY RELIEF Index 5340-01-436-2886 RETAINER,HELICAL COMPRESSION SPR

National Stock Number:
4820-01-436-2885

Federal Supply Class:
4820

National Item Identification Number:
014362885

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
31F-CB7 2.50INCH61661NEWMANS INC NEW JERSEY DIV


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.625 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODWEIGHT
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL
FACE TO FACE DISTANCE8.500 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216, WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY SEAT
MATERIALCOPPER ALLOY STEM
MATERIALSTEEL UNS J03002 BODY
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER7.000 INCHES ALL ENDS
NOMINAL THICKNESS0.880 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER4.120 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
SPECIAL FEATURESPRESSURE CLASS 150 PSI
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.500 INCHES
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS


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