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Zoloto
Zoloto
Zoloto

Product Name

Butterfly Valve (Wafer Type) PN-25 with S.G Iron Disc - Gear Operated

Article Code

1078H

1078H

Butterfly Valve (Wafer Type) PN-25 with S.G Iron Disc - Gear Operated

Salient Features
  • Design Standard IS 13095 / BSEN 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, PN10, PN16, PN25, PN40, ASA 150, ASA 300, IS 778, IS 6392 Table 17 and IS 1538.

*Valves with Neoprene / Viton / Silicon lining can also be provided at nominal extra cost.

PN25 –
Test Pressure (Hydrostatic) :
Shell : 37.5 bar (540 psig)
Seat : 27.5 bar (400 psig)
Maximum Working Pressure : 25 bar (360 psig)
Maximum Working Temperature : 90°C

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Suitable For

Steam

Water

Oil

Air

Gases

Salient Features
  • Design Standard IS 13095 / BSEN 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, PN10, PN16, PN25, PN40, ASA 150, ASA 300, IS 778, IS 6392 Table 17 and IS 1538.

*Valves with Neoprene / Viton / Silicon lining can also be provided at nominal extra cost.

PN25 –
Test Pressure (Hydrostatic) :
Shell : 37.5 bar (540 psig)
Seat : 27.5 bar (400 psig)
Maximum Working Pressure : 25 bar (360 psig)
Maximum Working Temperature : 90°C

Suitable For
Steam Water Oil Air Gases
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Materials
P.No. Name of Part Material of Construction Specification Qty.
1 Gear Box Assembly – – –  – – – 1
2 Gasket Steam Jointing Sheet IS2712 Gr. W/3 1
3 Packing Bush PTFE/Bronze BSEN 12086-1 / IS 318 Gr. LTB 2 1
4 Upper Stem Stainless Steel ASTM A 276 Type 410 1
5 Body S.G. Iron ASTM A 536 / IS 1865 1
6 Disc S. G. Iron ASTM A 536 / IS 1865 1
7 Taper Pin (Optional) Stainless Steel ASTM A 276 Type 410 1
8 Bush PTFE/Bronze BSEN 12086-1 / IS 318 Gr. LTB 2 1
9 Lower Stem Stainless Steel ASTM A 276 Type 410 1
10 ‘O’ Ring Nitrile Rubber IS 5192 – 1 1
11 Dowel Pin Spring Steel – – – 1
12 C – Sunk Screw & Nuts Carbon Steel – – – 4 Each
13 Handwheel Cast Iron/Sheet Metal IS 210 Gr. FG 200 / – – – 1
14 Body Lining EPDM/Nitrile IS 5192 – 1 1
15 Name Plate Aluminium – – – 1
P.No. Name of Part Material of Construction Specification Qty.
1 Gear Box Assembly – – –  – – – 1
2 Gasket Steam Jointing Sheet IS2712 Gr. W/3 1
3 Packing Bush PTFE/Bronze BSEN 12086-1 / IS 318 Gr. LTB 2 1
4 Upper Stem Stainless Steel ASTM A 276 Type 410 1
5 Body S.G. Iron ASTM A 536 / IS 1865 1
6 Disc S. G. Iron ASTM A 536 / IS 1865 1
7 Taper Pin (Optional) Stainless Steel ASTM A 276 Type 410 1
8 Bush PTFE/Bronze BSEN 12086-1 / IS 318 Gr. LTB 2 1
9 Lower Stem Stainless Steel ASTM A 276 Type 410 1
10 ‘O’ Ring Nitrile Rubber IS 5192 – 1 1
11 Dowel Pin Spring Steel – – – 1
12 C – Sunk Screw & Nuts Carbon Steel – – – 4 Each
13 Handwheel Cast Iron/Sheet Metal IS 210 Gr. FG 200 / – – – 1
14 Body Lining EPDM/Nitrile IS 5192 – 1 1
15 Name Plate Aluminium – – – 1
Sizes / Dimensions
Size (Inches) Size (mm) A ±1.5 ØB C~ D~
8 200 57.5 199.6 180 295
10 250 65.5 250 220 320
12 300 77.5 298 250 344
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1078H
Butterfly Valve (Wafer Type) PN-25 with S.G Iron Disc - Gear Operated

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