4820-01-571-1438 VALVE,SAFETY RELIEF Index 4820-01-571-1769 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-571-1660

Federal Supply Class:
4820

National Item Identification Number:
015711660

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:
84020 ASSY 84026E86184GRISWOLD INDUSTRIES
84026E86184GRISWOLD INDUSTRIES


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.688 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER6.562 INCHES 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 OR "G" BRONZE ASTM B 143 1A ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 COMP. B FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CL. B FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIALBRONZE BODY
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
PART NAME ASSIGNED BY CONTROLLING AGENCYMODEL 100PM-3EP VALVE
PROPRIETARY CHARACTERISTICSPACS
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, SALT SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER7.690 INCHES ALL ENDS
NOMINAL THICKNESS1.000 INCHES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE4.000 INCHES
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS


Click here to Register for Free 30-day Trial