Our Product — Butterfly Valve - U tpye butterfly Valve
● Standards:
- 1.1. Design and manufacture: API 609/EN 593/BS 5155.
- 2.Flange dimensions: EN 1092-2/BS 4504/ASME B16.1.
- 3.Top flange dimensions: ISO 5211.
- 4.Face to face dimensions: EN 558/ISO 5752/DIN 3202.
- 5.Test and inspection: API 598/EN12266.
- 6.Size up to 56".
● Materials
Part |
Material |
EN Spec. |
Body |
Ductile Iron |
EN-JS 1050 |
Disc |
Ductile Iron |
EN-JS 1050 |
| Bronze | EN 1982 CC491K | |
| Stainless Steel | BS970 304 C 15 | |
| Stainless Steel | BS970 316 C 16 | |
Shaft |
Stainless Steel |
BS970 410 S 21 |
| Stainless Steel | BS970 431 S 29 | |
Seat Ring |
EPDM/NBR/Viton/PTFE |
|
O-Ring |
EPDM/NBR |
|
Bushing |
Bronze |
EN 1982 CC491K |
| DN | mm | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 225 | 250 | 300 | 350 | 400 | 450 |
| inch | 1-1/2 | 2 | 2-1/2 | 3 | 4 | 5 | 6 | 8 | 9 | 10 | 12 | 14 | 16 | 18 | |
| A | 70 | 83 | 93 | 95 | 114 | 127 | 133 | 175 | 190 | 201 | 242 | 267 | 316 | 344 | |
| B | 120 | 161 | 175 | 181 | 200 | 213 | 226 | 260 | 275 | 292 | 337 | 368 | 400 | 422 | |
| C | 26 | 26 | 30 | 30 | 30 | 30 | 30 | 34 | 34 | 34 | 34 | 40 | 52 | 52 | |
| L | 33 | 43 | 46 | 46 | 52 | 56 | 55 | 60 | 67 | 67 | 76 | 76 | 102 | 114 | |
| DN | mm | 500 | 550 | 600 | 650 | 700 | 750 | 800 | 850 | 900 | 950 | 1000 | 1050 | 1100 | 1200 | - |
| inch | 20 | 22 | 24 | 26 | 28 | 30 | 32 | 34 | 36 | 38 | 40 | 18 | 18 | 48 | - | |
| A | 380 | 432 | 468 | 484 | 530 | 564 | 602 | 661 | 724 | 784 | 804 | 869 | - | |||
| B | 480 | 533 | 562 | 540 | 626 | 660 | 666 | 722 | 806 | 865 | 820 | 938 | - | |||
| C | 64 | 70 | 70 | 70 | 95 | 95 | 95 | 130 | 130 | 150 | 150 | 150 | - | |||
| L | 127 | 151 | 151 | 172 | 165 | 167 | 188 | 203 | 216 | 251 | 253 | 276 | - | |||
