Suzhou Alpine Flow Control Co., Ltd
Suzhou Alpine Flow Control Co., Ltd Be The Market Leader In Water Flow Control Valve
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Ductile Iron NSF 61 Swing Flex Check Valve 40 degree incline EPOXY Coated Nylon Reinforcement Disc
Description:
Rubber Disc Check Valve, is a totally covered by EPDM or NBR rubber with nylon reinforcement and that is good for reliable reverse flow prevention. It can be used both in clean water/sewage water. The disc made of CS plate, 304SS bar and nylon reinforcement.It is a 40 degree angle declined seat helping to close quickly and minimize the water hammer and slamming.
Features:
Simple design disc w/o movable components
Over 50,000 cycles operations
Powder coating for corrosion resistance
40 degree incline angle-lower stroke and reduce water hammer and slamming.
Simple design, few internal components and big top cover makes inner cleaning, parts replacement and maintenance easier.
Keep 100% full flow area, reduce head loss.
General Applications:
For general water supply, fire fighting,HVAC/ cooling & sewage system.
Technical Data:
| Size | DN50-DN600 |
| Working Temperature | - 10C- 80C |
| Flange | AISI B16.1 Or PN16 |
| Flow Media | Water and Waste Water |
Material:
| Dimension: Unit:mm | |||||||||
| DN | Model No. | L | D1 | D2 | n-φd | C | |||
| PN10 | PN16 | PN10 | PN16 | PN10 | PN16 | ||||
| 50 | RDCV-0050 | 203 | 165 | 125 | 4-φ19 | 19 | |||
| 65 | RDCV-0065 | 216 | 185 | 145 | 4-φ19 | 19 | |||
| 80 | RDCV-0080 | 241 | 200 | 160 | 8-φ19 | 19 | |||
| 100 | RDCV-0100 | 292 | 220 | 180 | 8-φ19 | 19 | |||
| 125 | RDCV-0125 | 330 | 250 | 210 | 8-φ19 | 19 | |||
| 150 | RDCV-0150 | 356 | 285 | 240 | 8-φ23 | 19 | |||
| 200 | RDCV-0200 | 495 | 340 | 295 | 8-φ23 | 12-φ23 | 20 | ||
| 250 | RDCV-0250 | 622 | 395 | 405 | 350 | 355 | 12-φ23 | 12-φ28 | 22 |
| 300 | RDCV-0300 | 698 | 445 | 460 | 400 | 410 | 12-φ23 | 12-φ28 | 24.5 |
| 350 | RDCV-0350 | 787 | 505 | 520 | 460 | 470 | 16-φ23 | 16-φ28 | 24.5 |
| 400 | RDCV-0400 | 914 | 565 | 580 | 515 | 525 | 16-φ28 | 16-φ31 | 24.5 |
| *450 | RDCV-0450 | 914 | 615 | 640 | 565 | 585 | 20-φ28 | 20-φ31 | 25.5 |
| 500 | RDCV-0500 | 978 | 670 | 715 | 620 | 650 | 20-φ28 | 20-φ34 | 26.5 |
| *600 | RDCV-0600 | 1067 | 780 | 840 | 725 | 770 | 20-φ31 | 20-φ37 | 30 |
| *DN450 use the same F/F dimension of DN400 | |||||||||