5365-01-175-1075 SPACER,SLEEVE Index 4820-01-175-1077 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-175-1076

Federal Supply Class:
4820

National Item Identification Number:
011751076

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:
CG8213879342WILLIAM E WILLIAMS VALVE CORP
CG82138 2IN79342WILLIAM E WILLIAMS VALVE CORP


Techincal Specification:
MATERIALSTEEL UNS J92800 BODY
STEEL UNS J91150 FLOW CONTROL DEVICE
STEEL CORROSION RESISTING SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A351 GRADE CF3M ASSN STD SINGLE MATERIAL RESPONSE BODY
ASTM A217 GRADE CA15 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
ASTM A182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE SIZE2.000 INCHES
FACE TO FACE DISTANCE8.000 INCHES
FLOW CONTROL DEVICEDISK
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER6.000 INCHES ALL ENDS
NOMINAL THICKNESS0.562 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER4.750 INCHES ALL ENDS
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER3.625 INCHES ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
DISK LOADING METHODWEIGHT
SPECIAL FEATURES0.062 IN. THICK GRAPHITED NONB ASBESTOS GASKET IS INCLUDED FOR COVER TIGHTNESS
SUPPLEMENTARY FEATURESTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 79342 HAVE INDICATED THIER PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984


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