Micro Resistance Butterfly Check Valve
Introduction:
1. Slow closing time: less than 60 seconds, adjustable according to the need.
2. Strength test: 1.5 times nominal pressure.
3. Medium temperature: 0-85 centigrade.
4. Applied scope: clean water, sewage water, sea water, petroleum etc.
Technical Data:
Introduction:
1. Slow closing time: less than 60 seconds, adjustable according to the need.
2. Strength test: 1.5 times nominal pressure.
3. Medium temperature: 0-85 centigrade.
4. Applied scope: clean water, sewage water, sea water, petroleum etc.
Technical Data:
Nominal Diameter | D | D1 | D2 | H | H1 | L | n-d | Bolt | |
DN | Inch | ||||||||
100 | 4 | 215 | 180 | 155 | 190 | 130 | 230 | 8-Φ18 | 8-M16 |
150 | 6 | 280 | 240 | 210 | 228 | 172 | 210 | 8-Φ23 | 8-M20 |
200 | 8 | 335 | 295 | 265 | 270 | 210 | 230 | 8-Φ23 | 8-M20 |
250 | 10 | 390 | 350 | 320 | 305 | 240 | 250 | 12-Φ23 | 12-M20 |
300 | 12 | 440 | 400 | 368 | 367 | 264 | 270 | 12-Φ23 | 12-M20 |
350 | 14 | 500 | 460 | 428 | 422 | 294 | 290 | 16-Φ23 | 16-M20 |
400 | 16 | 565 | 515 | 482 | 462 | 324 | 310 | 16-Φ25 | 16-M22 |
450 | 18 | 615 | 565 | 532 | 497 | 351 | 330 | 20-Φ25 | 20-M22 |
500 | 20 | 670 | 620 | 585 | 532 | 379 | 350 | 20-Φ25 | 20-M22 |
600 | 24 | 780 | 725 | 685 | 607 | 434 | 390 | 20-Φ30 | 20-M27 |
700 | 28 | 895 | 840 | 800 | 702 | 491 | 430 | 24-Φ30 | 24-M27 |
800 | 32 | 1010 | 950 | 905 | 792 | 549 | 470 | 24-Φ34 | 24-M30 |
900 | 36 | 1110 | 1050 | 1005 | 900 | 600 | 510 | 28-Φ34 | 28-M30 |
1000 | 40 | 1220 | 1160 | 1115 | 975 | 655 | 550 | 28-Φ34 | 28-M30 |
1200 | 48 | 1450 | 1380 | 1325 | 1140 | 770 | 630 | 32-Φ41 | 32-M36 |
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