Marine Fire Suppression System >> Parts >> Fire Valves >> Fire Protection ValvesVBFW300 Wafer Type Butterfly Valve
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 5.35(136) 3.43(87) 1.81(46) 5.88(149.4) 6.54(166) 5.31(135) 5.04(128) 0.32(8.2)
3 5.63(143) 3.66(93) 1.81(46) 6.62(168.2) 6.81(173) 5.31(135) 5.04(128) 0.57(14.5)
4 6.14(156) 4.29(109) 2.05(52) 7.88(200.2) 7.32(186) 5.31(135) 5.04(128) 0.89(22.7)
6 7.40(188) 5.67(144) 2.20(56) 10.6(269.8) 8.58(218) 8.66(193) 8.66(220) 1.79(45.4)
8 8.74(222) 6.54(166) 2.28(58) 13.0(330.2) 9.92(252) 8.66(193) 8.66(220) 2.72(69.1)

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