4540-01-139-1895 HEATING ELEMENT,ELECTRICAL,IMMER Index 4820-01-139-1897 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-139-1896

Federal Supply Class:
4820

National Item Identification Number:
011391896

Description:
VALVE,GLOBE

Detail:
A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes VALVE, STOP-CHECK; COCK, SHUTOFF, SCREW STEM; and VALVE, SOLENOID.


Manufacturer Information:
7409086184GRISWOLD INDUSTRIES
74090 PART 7409286184GRISWOLD INDUSTRIES
74092-0086184GRISWOLD INDUSTRIES
74092J86184GRISWOLD INDUSTRIES


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER3.938 INCHES ALL ENDS
BOLT HOLE QUANTITY6 ALL ENDS
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEEXPOSED SPRING
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE8.000 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDIAPHRAGM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MATERIALRUBBER SYNTHETIC FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP-40.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING TEMP180.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MOUNTING FACILITYBRACKET
NOMINAL OUTSIDE DIAMETER5.062 INCHES ALL ENDS
NOMINAL THICKNESS0.438 INCHES ALL ENDS
RENEWABLE SEAT RING TYPETHREADED
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE1.500 INCHES


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