SD341X Telescopic Soft Seal Butterfly Valve With Worm Gear
1 . Unique configuration , flexible design , light weight , quickly open-close .
2 . Automatically compensate pipeline?s temperature difference , conveniently install and maintain .
3 . May regulate and set sealing part , reliable and tight sealing ·
4 . High strength , little flow resistance , labor-saving ，long service life-span .
Manufacture Std. : API609Ў MSS SP-67ЎMSS SP-68ЎDIN3354
Face to Face: DIN3202ЎISO5752ЎBS EN558- 1 ЎAPI609ЎMSS SP-68
Flange: DIN2501ЎANSI B 16 .5ЎANSI B 16 .47ЎBS EN1092-2ЎBS4504
ISO 7005-2ЎJIS10K
Test: API598 EN12266.1
| Sr.no | Part | Material |
| 1 | Lower Cover | GGG40 or GGG50 |
| 2 | Body | GGG40 or GGG50 |
| 3 | Disc | GGG40 or GGG50 |
| 4 | Sealing Ring | NBR or EPDM |
| 5 | Stem | 2Cr13 or 304 |
| 6 | O-ring | NBR or EPDM |
| 7 | Lever | Dl or WCB |
| Sr.no | Part | Material |
| 1 | Lower Cover | GGG40 or GGG50 |
| 2 | Body | GGG40 or GGG50 |
| 3 | Disc | GGG40 or GGG50 |
| 4 | Sealing Ring | NBR or EPDM |
| 5 | Stem | 2Cr13 or 304 |
| 6 | O-ring | NBR or EPDM |
| 7 | Electric Actuator | Purchasing Form Suppliers |
| DN | D | D1 | D2 | L(max) | Suggested Size |
LJminJ | H1 | H2 | N-d |
| 100 | 220 | 180 | 156 | 216 | 194 | 174 | 110 | 170 | 8-18 |
| 125 | 250 | 210 | 184 | 232 | 206 | 186 | 123 | 182 | 8-18 |
| 150 | 285 | 240 | 211 | 239 | 216 | 194 | 140 | 210 | 8-22 |
| 200 | 340 | 295 | 266 | 264 | 239 | 214 | 170 | 238 | 8-22 |
| 250 | 395 | 350 | 319 | 285 | 260 | 235 | 195 | 270 | 12-22 |
| 300 | 445 | 400 | 370 | 300 | 275 | 250 | 222 | 300 | 12-22 |
| 350 | 505 | 460 | 429 | 320 | 295 | 270 | 252 | 330 | 16-22 |
| 400 | 565 | 515 | 480 | 332 | 307 | 282 | 285 | 368 | 16-26 |
| 450 | 615 | 565 | 530 | 355 | 330 | 305 | 310 | 402 | 20-26 |
| 500 | 670 | 620 | 582 | 365 | 340 | 315 | 337 | 438 | 20-30 |
| 600 | 780 | 725 | 682 | 420 | 365 | 340 | 393 | 490 | 24-33 |
| 700 | 895 | 840 | 794 | 446 | 421 | 396 | 450 | 558 | 24-33 |
| 800 | 1015 | 950 | 901 | 476 | 451 | 426 | 515 | 625 | 28-33 |
| 900 | 1115 | 1050 | 1001 | 506 | 481 | 456 | 560 | 685 | 28-33 |
| 1000 | 1230 | 1160 | 1112 | 516 | 491 | 466 | 610 | 750 | 28-36 |
| 1200 | 1455 | 1380 | 1328 | 560 | 535 | 510 | 725 | 880 | 32-39 |
| 1400 | 1675 | 1590 | 1530 | 590 | 565 | 540 | 840 | 987 | 36-42 |
| 1600 | 1915 | 1820 | 1750 | 630 | 610 | 585 | 960 | 1158 | 40-48 |
| 1800 | 2115 | 2020 | 1950 | 680 | 655 | 630 | 1060 | 1258 | 44-48 |
| 2000 | 2325 | 2230 | 2150 | 730 | 705 | 680 | 1165 | 1365 | 48-48 |
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Velya Valve is located in oubei , zhejiang the valve Town . The company is committed to the production of HVAC Valves，water system valves，and energy saving management of heating and cooling systems.
