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A Brief Guide To Valves
This introduction of valves is mainly aimed at people who are encountering ...
Nominal diameter:DN15~1200mm; Nominal pressure:150Lb~300Lb, PN0.6~1.6Mpa; Body material:304; Butterfly material:304; Seat material:EPDM, Dingqing, Teflon,Ethylene-propylene,wear-resistant ethylene-propylene, fluorine rubbers, silicone rubber
Stainless steel butterfly valves are an excellent choice for applications involving corrosive liquids, gases, and chemicals. These valves use a flat disc that rotates inside an outer casing to open or close the valve. They are easy to install, require minimal maintenance, and are relatively inexpensive. A stainless steel butterfly valve with a handle is a great choice for applications that require manual control, as the handle allows for easy and precise operation of the valve. These valves are also highly resistant to corrosion, making them ideal for use in a variety of industrial applications.
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No. |
Name |
Material |
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|
1 |
Body |
304 |
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|
2 |
Disc |
304 |
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|
3 |
Stem |
SS316 |
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|
4 |
Seat |
F4 |
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|
5 |
Shaft Sleeve |
PTFE |
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|
6 |
Pin |
SS304 |
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|
7 |
O-ring |
EPDM |
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|
8 |
Handle |
- |
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|
Specification |
Center |
Center |
Center |
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|
DN50 |
125 |
125 |
120.7 |
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|
DN65 |
145 |
145 |
139.7 |
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|
DN80 |
160 |
160 |
152.4 |
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|
DN100 |
180 |
180 |
190.5 |
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|
DN125 |
210 |
210 |
215.9 |
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|
DN150 |
240 |
240 |
241.3 |
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|
DN200 |
295 |
295 |
298.5 |
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|
DN250 |
350 |
355 |
362 |
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|
DN300 |
400 |
410 |
431.8 |
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|
DN350 |
460 |
470 |
476.3 |
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| DN | INCH | L±2 | A | ISO5211 | ANSI 150 | DIN2501 PN10 | DIN2501 PN16 | ||||||
| mm | in | Top Flange | ᴓE | ᴓC1 | n1-ᴓd1 | ᴓC | n-ᴓd | ᴓC | n-ᴓd | ᴓC | n-ᴓd | ||
| 50 | 2 | 43 | 186 | F05 | 65 | 50 | 4-ᴓ8 | 120.6 | 4-ᴓ19 | 125 | 4-ᴓ18 | 125 | 4-ᴓ18 |
| 65 | 2.5 | 46 | 203 | F05 | 65 | 50 | 4-ᴓ8 | 139.7 | 4-ᴓ19 | 145 | 4-ᴓ18 | 145 | 4-ᴓ18 |
| 80 | 3 | 46 | 230 | F05 | 65 | 50 | 4-ᴓ8 | 152.4 | 4-ᴓ19 | 160 | 8-ᴓ18 | 160 | 8-ᴓ18 |
| 100 | 4 | 52 | 260 | F07 | 90 | 70 | 4-ᴓ10 | 190.5 | 8-ᴓ19 | 180 | 8-ᴓ18 | 180 | 8-ᴓ18 |
| 125 | 5 | 56 | 302 | F07 | 90 | 70 | 4-ᴓ10 | 215.9 | 8-ᴓ22.4 | 210 | 8-ᴓ18 | 210 | 8-ᴓ18 |
| 150 | 6 | 56 | 331 | F07 | 90 | 70 | 4-ᴓ10 | 241.3 | 8-ᴓ22.4 | 240 | 8-ᴓ22 | 240 | 8-ᴓ22 |
| 200 | 8 | 60 | 403 | F10 | 125 | 102 | 4-ᴓ12 | 298.4 | 8-ᴓ22.4 | 295 | 8-ᴓ22 | 295 | 12-ᴓ22 |
| 250 | 10 | 68 | 469 | F10 | 125 | 102 | 4-ᴓ12 | 361.9 | 12-ᴓ25.4 | 350 | 12-ᴓ22 | 355 | 12-ᴓ26 |
| 300 | 12 | 78 | 551 | F10 | 125 | 102 | 4-ᴓ12 | 431.8 | 12-ᴓ25.4 | 400 | 12ᴓ22 | 410 | 12-ᴓ26 |
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