4820-00-686-2258 VALVE,REGULATING,FLUID PRESSURE Index 5340-00-686-2261 RETAINER,NUT AND BOLT

National Stock Number:
4820-00-686-2259

Federal Supply Class:
4820

National Item Identification Number:
006862259

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:
2C608699240CRISSAIR INC


Techincal Specification:
MATERIALSTEEL COMP 303 BODY
STEEL COMP 440C FLOW CONTROL DEVICE
STEEL COMP 303 SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE BODY
FED STD 66,AISI 440C/SAE 51440C FED STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
FED STD 66,AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE SEAT
SURFACE TREATMENTPASSIVATE
STYLE DESIGNATORTEE
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDOIL, HYDRAULIC SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP65.0 DEG FAHRENHEIT 1ST RESPONSE
275.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEFLARED (TUBE) ALL ENDS
SEAT ANGLE37.0 DEGREES ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
DISK LOADING METHODSPRING
SPECIAL FEATURES1.2 GPM FLOW RATE,2.0 TO 8.0 PSI VALVE CRACKING PRESSURE,TEE SHAPE STYLE VALVE W/TWO INLET CONNECTIONS,BULKHEAD TYPE OUTLET CONNECTION PER MS3365704


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