4820-01-301-9897 VALVE,CHECK Index 4820-01-301-9899 VALVE,CHECK

National Stock Number:
4820-01-301-9898

Federal Supply Class:
4820

National Item Identification Number:
013019898

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:
79779-02B86184GRISWOLD INDUSTRIES
81M-3EP 2IN 250PSI86184GRISWOLD INDUSTRIES


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT HOLE QUANTITY6 ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER4.438 INCHES ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE10.000 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
MATERIALCOPPER ALLOY BODY
MEDIA FOR WHICH DESIGNEDWATER, FRESH SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER5.562 INCHES ALL ENDS
NOMINAL THICKNESS0.438 INCHES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
SUPPLEMENTARY FEATURESFLOW CONTROL DEVICE: DIAPHRAGM
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.000 INCHES


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