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National Stock Number:
4810-01-004-6559
Federal Supply Class:
4810
National Item Identification Number:
010046559
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.
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Manufacturer Information:
| 7720015-107 | 3H889 | PARKER-HANNIFIN CORPORATION | | 7720015-107 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS |
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Techincal Specification:
| MAXIMUM OPERATING PRESSURE | 115.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | PROPRIETARY CHARACTERISTICS | PACS | | MAXIMUM OPERATING TEMP | 160.0 DEG FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | NITROGEN, GASEOUS 1ST RESPONSE | | MEDIA FOR WHICH DESIGNED | NITROGEN, LIQUID 2ND RESPONSE | | OPENING PRESSURE SETTING | 2.7 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | DRAWING NAME VALVE, ZONE FIRE, 1 1/4 INCH; CONSISTS OF A POPPET AND SEAT IN AN ALUMINIUM ALLOY HOUSING; PNEUMATICALLY OPERATED SHUTOFF VALVE USED TO DISPENSE LIQUID NITROGEN (LN2) TO FIRE AREA; MAJOR COOMPONENT PARTS: SOLENOID AND PLUNGER ASSY 722290-101 AND -102, GUIDE 7723228-1, POPPET 7753003-1, DIAPHRAGM ASSY 7722300-101, DIAPHRAGM HOUSING ASSY 7722011-101, POPPET 7723477-1, BODY ASSY 7722176-101; OPERATING MEDIUM GASEOUS NITROGEN (GN2) AND LITROGEN (LN2); TEMPERATURE RANGE -65 TO +160 DEG FEH (AMBIENT), -320 TO +160 DEG FEH; PRESSURES: WORKING 65 PSIG, INLET 115 PSIG MAX (VALVE CLOSED), OUTLET AMBIENT (VALVE CLOSED), AMBIENT 1.0 TO 15.2 PSIA, PROOF 180 PSIG (ALL PORTS), BURST 270 PSIG (ALL PORTS), RATED FLOW (INLET TO OUTLET) NORMAL 3.0 LB/SEC, SATURATED LN2 AT 55 PSIA AND -298 DEG FEH, FLOW AREA FULL OPEN VALVE MUST HAVE AN EQUIVALENT K-FACTOR OF 1.0; WEIGHT 4.7 LB MAXIMUM | | VALVE OPERATION METHOD | AUTOMATIC OR SOLENOID | | VALVE SIZE | 1.250 INCHES | | STYLE DESIGNATOR | STRAIGHT THRU W/OFFSET |
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