4820-01-226-8424 VALVE,RELIEF,PRESSURE AND TEMPER Index 4820-01-226-8426 VALVE,VACUUM REGULATING

National Stock Number:
4820-01-226-8425

Federal Supply Class:
4820

National Item Identification Number:
012268425

Description:
VALVE,RELIEF,PRESSURE AND TEMPER

Detail:
A VALVE DESIGNED TO RELEASE UNDER EXCESSIVE PRESSURE AND/OR EXCESSIVE TEMPERATURE BY OPENING AT A PREDETERMINED PRESSURE AND/OR TEMPERATURE. THERMOSTATICALLY OPERATED VALVES CLOSE WHEN THE PRESSURE IS RELIEVED OR THE TEMPERATURE IS REDUCED. FUSIBLE PLUG VALVES REQUIRE REPLACEMENT OF THE PLUG. SEE ALSO VALVE, SAFETY RELIEF AND VALVE, REGULATING. TEMPERATURE.


Manufacturer Information:
3A012-698391ARKWIN INDUSTRIES, INC.
A02HS132-677272THE BOEING COMPANY


Techincal Specification:
END CONNECTION QUANTITY3
BODY STYLETEE GIVE "ADQM" "ADQN" AND "ADQP" ONLY IF FLANGED ALL ENDS
CENTER TO CENTER DISTANCE0.900 INCHES NOMINAL
FIRST END CONNECTION TYPETHREADED INTERNAL TUBE
FIRST END STYLE DESIGNATORGASKET SEAL
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES NOMINAL
FIRST END SEAT ANGLE IN DEG45.0
FIRST END THREAD DIRECTIONRIGHT-HAND
FIRST END THREAD CLASS3B
FLOW CONTROL DEVICEBALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 440C ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 416 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 51416 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIALALUMINUM ALLOY BODY
MATERIALSTEEL COMP 416 SEAT
MATERIALSTEEL COMP 440A FLOW CONTROL DEVICE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PHOSPHATE-ESTER BASE
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
SURFACE TREATMENTANODIZE OUTSIDE
TEMP ADJUSTABILITYNOT ADJUSTABLE
TEMP CONTROL DEVICE TYPEFUSIBLE
THIRD END RELATIONSHIP WITH PRECEDING ENDSIDENTICAL WITH FIRST END
VALVE DISCHARGE FLOW RATE1.2 GALLONS PER MINUTE


Click here to Register for Free 30-day Trial