4820-01-243-1835 VALVE,CHECK Index 4820-01-243-1837 VALVE,BALL

National Stock Number:
4820-01-243-1836

Federal Supply Class:
4820

National Item Identification Number:
012431836

Description:
VALVE,DIAPHRAGM,STOP

Detail:
A VALVE DESIGNED SPECIFICALLY SO THE DIAPHRAGM SEALS THE FLOW STREAM FROM THE VALVE OPERATING MECHANISM. THE FLOW IS CONTROLLED BY THE LIFTING OF THE DIAPHRAGM FROM OR COMPRESSING IT AGAINST AN INTEGRAL SEAT. FOR PACKLESS DIAPHRAGM VALVES WHICH UTILIZE A DIAPHRAGM AS PACKING AND A DISK TO CONTROL THE FLOW, SEE VALVE, Y.


Manufacturer Information:
1374306H86184GRISWOLD INDUSTRIES
9645086184GRISWOLD INDUSTRIES


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.688 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE15.000 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY 922 BODY
MOUNTING FACILITYBRACKET(S)
NOMINAL OUTSIDE DIAMETER7.690 INCHES ALL ENDS
NOMINAL THICKNESS1.030 INCHES ALL ENDS
OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE SIZE4.000 INCHES
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS


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