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


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