Marine Fire Suppression System >> Parts >> Fire Valves >> Fire Protection ValvesVBFG300 Grooved Butterfly Valves
MATERIAL OF PRIMARY COMPONENTS
Body: ASTM A-536 Nylon-11 Coated
Disc: ASTM A-536 EPDM Encapsulated
Upper & Lower Stems: AISI 420-SS
Worm Gear Shaft: AISI 410-SS
Housing: ASTM A-536
Hand Wheel: ASTM A-536
Flag Indictor: ASTM A-536
Shear Pin: ASTM A-510
Segment Gear: ASTM B-148 or B-584
Housing Gasket: EPDM Grade ""BR>O-Rings (All): EPDM Grade ""
DIMENSION UNIT:IN(mm)
SIZE A B C D E F G H
2-1/2" 4.13(105) 3.30(85) 3.80(96.4) 2.87(73.0) 5.31(135) 5.04(128) 5.04(128) -
3" 4.41(112) 3.60(92) 3.80(96.4) 3.50(88.9) 5.59(142) 5.04(128) 5.04(128) -
4" 5.71(145) 4.30(108) 4.54(115.4) 4.50(114.3) 6.89(175) 5.04(128) 5.04(128) -
6" 7.05(179) 5.71(145) 5.21(132.4) 6.63(168.3) 8.23(209) 8.66(220) 8.66(220) 0.28(7.10)
8" 8.03(204) 6.70(170) 5.80(147.4) 8.63(219.1) 9.21(234) 8.66(220) 8.66(220) 0.95(24.2)

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