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| Butterfly Valve |
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APPLICATIONS
- Water treatment plants
- Water distribution systems
- Sewage plants
- Power stations
- Chemical industries
- Steel mills
- Sugar factories / Breweries
- Textile industries
- Food processing industries
- Cement industries
- Paper Mill
QUALITY FEATURES
- Excellent flow control in quarter turn operation.
- Compact space saving design.
- Low weight, low maintenance, log service life.
- Both shafts mounted in bearing supports for easy operating torques.
- Replaceable / Bonded seat options.
- Suitable for mounting between all standard flanges.
- Gasket packing not required to install between flanges.
ORDERING DATA
- Size of valve.
- M.O.C. for body, disc & seat.
- If any specific change to standard material of other parts.
- Operation manual / Gearbox / Actuator (give details of Actuator).
- Details of flow medium i.e., name, temperature, pressure.
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| MATERIAL OF CONSTRUCTION |
| PART |
DESCRIPTION |
STD MODE OF CONSTRUCTION |
OPTIONS |
| 1 |
BODY |
Cast Iron, GG – 25/
IS – 210FG – 260/
BS – 1452 Gr. 260/ |
SG Iron GGG 40
Cast Steel (WCB)
Stainless Steel CF8/CF8m |
| 2 |
DISC |
SG Iron, GGG – 40/
SG – 1865 SG400/12/
BS – 2789 Gr. 420/12 |
Cast Steel (WCB)
Stainless Steel CF8/CF8M
Aluminum Bronze IS 305 Gr2 |
| 3 |
SEAT |
Black Nitrile |
EPDM, Neoprene, Viton, Silicon
Hypalon of as per customer’s
Requirements. |
| 4 |
SHAFT |
AISI 410 |
AISI 304 / AISI 316 |
| 5 |
BEARING |
Self lubricating phosphorous Bronze |
PTFE |
| 6 |
‘O’ RINGS |
Nitrile |
EPDM, Neoprene |
| 7 |
BUSH |
Polyacetal |
PTFE |
| 8 |
TAPER PIN |
AISI 410 |
AISI 304 / AISI 316 |
| 9 |
PLUG |
Carbon Steel |
- |
| 10 |
HAND LEVER |
SG Iron / C.I. |
Cast steel, S.S. |
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| DIMENSION CHART SIZE (DN) |
| NB |
A |
D |
H |
L |
WT / (Kg) |
| 40 |
33 |
66 |
106 |
250 |
3.1 |
| 50 |
43 |
70 |
113 |
250 |
3.7 |
| 65 |
46 |
76 |
121 |
250 |
4.5 |
| 80 |
46 |
89 |
129 |
250 |
4.8 |
| 100 |
52 |
96 |
147 |
250 |
6.0 |
| 125 |
56 |
109 |
158 |
250 |
7.9 |
| 150 |
56 |
133 |
176 |
315 |
11.0 |
| 200 |
60 |
158 |
200 |
315 |
15.5 |
| 250 |
68 |
194 |
245 |
500 |
27.0 |
| 300 |
78 |
219 |
270 |
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36.0 |
| 350 |
78 |
260 |
321 |
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| 400 |
100 |
290 |
348 |
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| 450 |
108 |
320 |
373 |
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| 500 |
127 |
360 |
410 |
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| 600 |
149 |
420 |
470 |
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| TECHNICAL DATA |
| PRESSURE RATING |
PN 10 & PN 16 |
| PRESSURE TESTING |
a) Body : 1.5 x PN
b) Seat : 1.1 x PN |
| TEMPERATURE |
(-) 40o c to 200o C |
| FACE TO FACE DIMENSION |
ISO – 5752 /IS – 13095/ BS -5155 |
| TO SUIT FLANGES DRILLED AS PER |
IS, ANSI, BS, DIN Standards |
| OPERATION |
Bi-directional |
| PAINTING |
Epoxy coated |
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