1078A Butterfly Valve (Wafer Type) PN 1.6 with S.G Iron Disc – Gear Operated

1078A Butterfly Valve (Wafer Type) PN 1.6 with S.G Iron Disc - Gear Operated

Salient Features
  • Design Standard IS 13095 / BS EN 593 (BS 5155).
  • Wafer Type.
  • Gear Operated.
  • S.G Iron construction.
  • S.G Iron disc which is accurately guided between the two stems.
  • Integrally moulded rubber lining (EPDM / Nitrile / Neoprene* / Viton* / Silicon*) as per requirement which provides seating to the valve disc, as a primary seal to the stem and gasket joint with matching pipe flanges.
  • Two Piece Stem design which is precisely guided between the PTFE / Bronze bushes.
  • Compatible to sandwich between flanges as per BS 10 Table D, E, F,H, DIN, PN 10, PN 16, PN 25, PN 40, ASA 150, ASA 300, IS 778, IS 6392 Table 17 and IS 1538.
P.N 1.6
Test Pressure (Hydrostatic) :
  • Shell : 2.4 MPa
  • Seat : 1.76 MPa
  • Maximum Working Pressure : 1.6 MPa
  • Maximum Working Temperature : 90°C

Materials

P.No.Name of PartMaterial of ConstructionSpecificationQty.
1Gear Box Assembly– – – – – –1
2GasketSteam Jointing SheetIS2712 Gr. W/31
3Packing BushPTFE / Bronze– – – / IS 318 Gr. LTB 21
4Upper StemStainless SteelIS 6603 Gr. 12 Cr121
5BodyS.G IronIS 1865 Gr. 400/151
6DiscS. G IronIS 1865 Gr. 400/151
7Taper Pin (Optional)Stainless SteelIS 6603 Gr. 12 Cr121
8BushPTFE / Bronze– – – / IS 318 Gr. LTB 21
9Lower StemStainless SteelIS 6603 Gr. 12 Cr121
10‘O’ RingNitrile RubberIS 5192 – 11
11Dowel PinSpring Steel – – –1
12C – Sunk Screw & NutsCarbon Steel– – –4 Each
13HandwheelCast Iron / Sheet MetalIS 210 Gr. FG 200 / – – –1
14Body LiningEPDM / NitrileIS 5192 – 11
15Name PlateAluminium– – –1

Material Diagram

Sizes / Dimensions

Size (Inches)Size (mm)A ±1.5ØBC ~D ~
820060199.6180295
1025068250220320
1230078298250344
14#35085350280380
16#40096392300410
18#450108440330466
20#500127500415600
24#600146.5590440610

# Non-ISI with Pressure Rating PN-1.0