4820-01-370-0134 VALVE,CHECK Index 4820-01-370-0136 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-370-0135

Federal Supply Class:
4820

National Item Identification Number:
013700135

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:
559-5IN48422WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION


Techincal Specification:
MATERIALIRON CAST UNS F12102 BODY
COPPER ALLOY 836 FLOW CONTROL DEVICE
COPPER ALLOY 836 SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B126, CLASS B ASSN STD SINGLE MATERIAL RESPONSE BODY
ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE SIZE5.000 INCHES
FACE TO FACE DISTANCE13.000 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH 1ST RESPONSE
200.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP450.0 DEG FAHRENHEIT 1ST RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER10.000 INCHES ALL ENDS
NOMINAL THICKNESS0.940 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.880 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER8.500 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
RENEWABLE SEAT RING TYPETHREADED
DISK LOADING METHODWEIGHT


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