1078B Butterfly Valve (Wafer Type), PN 1.6 with S.S 304 Disc

1078B Butterfly Valve (Wafer Type), PN 1.6 with S.S 304 Disc

Salient Features
  • Design Standard IS 13095 / BS EN 593 (BS 5155).
  • Wafer Type.
  • Lever Operated.
  • S.G Iron construction.
  • Stainless Steel (CF8 / CF8M*) 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.
PN 1.6
Test Pressure (Hydrostatic) :
  • Shell : 2.4 MPa
  • Seat : 1.76 MPa
  • Maximum Working Temperature : 90°C
  • Maximum Working Pressure : 1.6 MPa

Materials

P.No.Part NameMaterialSpecificationQty.
1Flow Control LeverCarbon Steel (Powder Coated)– – –1
2Notch PlateCarbon Steel (Powder Coated)– – –1
3Packing BushPTFE/Bronze– – – / IS 318 Gr. LTB 21
4Upper StemStainless SteelIS 6603 Gr. 12 Cr121
5BodyS.G. IronIS 1865 Gr. 400/151
6DiscStainless SteelIS 3444 Gr. 6 / ASTM A 351 Gr. CF8/CF8M1
7Name PlateAluminium– – –1
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– – –2 Each
13Locking WasherSpring Steel– – –2
14Boby LiningEPDM/NitrileIS 5192 – 11

Material Diagram

Sizes / Dimensions

Size (Inches)Size (mm)A ±1.5ØBC~D~E~
1 1/24033 38.557113260
25043 5073125260
2 1/26546 64.580140260
38046 7988145260
410052 99110178260
512556 124.5122190260
615056 148.7151204260

NOTE : Valves upto 150mm can also be provided with limit switch (Non-ISI) and gear arrangement at nominal extra cost.