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National Stock Number:
4810-01-399-8598
Federal Supply Class:
4810
National Item Identification Number:
013998598
Description:
VALVE,BUTTERFLY
Detail:
A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.
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Manufacturer Information:
| 17B6D1378-501 | 88277 | THE BOEING COMPANY | | 17B6D1378-503 | 88277 | THE BOEING COMPANY | | 235535 | 79318 | MEGGITT NORTH HOLLYWOOD INC | | 235535-1 | 79318 | MEGGITT NORTH HOLLYWOOD INC |
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Techincal Specification:
| PROPRIETARY CHARACTERISTICS | FEAT | | SPECIAL FEATURES | DRWG NAME: VALVE-MOTOR ACTUATED BUTTERFLY SHUT-OFF 4" T.S.; THERMAL RELIEF BOTH DIRECTIONS: CRACK 120 PSIG MAX, RESEAT 90 PSIG MIN; PRESSURE DROP IS 2.0 PSIG MAX @ 1200 GPM OF JP-4 AT 70 TO 90 DEG FEH FLUID TEMP.; MANUAL OVERRIDE TORQUE 40 LBS INCHES MAX AT 2 PSIG; OPERATING TIME 1.8 TO 4.0 SECONDS AT 28 VDC, 60 PSIG & 70 DEG FEH; TEMPERATURES: AMBIENT & FLUID -65 TO +160 DEG FEH; PRESSURES: OPERATING -5 TO +60 PSIG, PROOF 130 PSIG, BURST -14 TO +270 PSIG, AMBIENT -1200 TO 50,000 FT; SERVICE AIRCRAFT FUELS PER MIL-T-5824, TYPE JP-4, JP-5, OR MIL-T-83133, TYPE JP-8 OR ASTM P1653, JET A, JET A-1 OR JET 8, PO 880 FOR TEST; DEFINITION: USED TO ISOLATE BOTH GROUND & AIR REFUELING SYS, & TO SHUT OFF FUEL JETTISON; MAJOR COMPONENTS ITEMS: 4-IN. DIA. BUTTERFLY VALVE & ACTUATOR MOTOR; INPUT CURRENT 2 AMPS AT 28 VOLTS; OPERATING TIME: MAX 5 SEC MIN 1.8 SEC; FLANGE SHALL BE PER MS33786-64; TEMP FUEL RANGE -65 TO +135 DEG FEH; WT. 3.40 LBS |
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