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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Water Hammer Prevention Check Valve For Cooling/HVAC SystemHydro dynamic Design
Low Head Loss Anti Water Hammer Non Slam Check Valve EPOXY Coated Quick Close Ductile iron
Description
NSCV- Non Slam Check Valve is used as protection against reverse flow when power failure in areas where noise pollution or water hammering is a critical issue. It can provide not only quiet performance but also low head loss.
Features:
·High strength ductile iron body used for durability and less weight.
·Advanced dynamic design of single body with diffuser provides streamline flow and assures lower head loss.
·One of the lowest head loss check valve, big save in pumping power cost, valve disc with shorter stroker and spring reverse faster than most of check valve.
·Coated with powder epoxy both inside & outside for corrosion resistance.
·Bronze bushing reduce wearing problem during operation.
·Hydrodynamic design with spring ensures non slamming and water hammerless.
·Stainless steel spring hidden in the diffuser under protection while valve in operation.
·Disc will positively close before reverse flow, and maximize the closing speed up to 0.2 Sec.
· Installation can be vertical/horizontal/inclined.
·Comply with EN 558-1, ISO 5752 and EN 1092-2, ISO 7005-2 flange dimension.
Technical Data:
| Size | DN50-DN600 |
| Working Temperature | - 10C- 80C |
| Flange | AISI B16.1 Or PN16 |
| Flow Media | Clean Water |
Service Fields:
Mainly used for clean water, precleaned sewage water, Fire-fighting, Irrigation, Cooling and HVAC System.
Dimension:
DN50 - DN350
DN400 - DN600
Materials:
DN50-DN350
| No. | Part Names | Material | Standard |
| 1 | Body | Ductile Iron | GJS500-7 |
| 2 | Disc | Ductile Iron+Rubber | GJS500-7+EPDM/NBR |
| 3 | Spring | Stainless Steel | AISI304/316 |
| 4 | Stem | Stainless Steel | AISI420/304/316 |
| 5 | Washer | Plastic/Rubber | Nylon/EPDM |
| 6 | Nut | Stainless Steel | AISI420/304 |
| 7 | Bushing | Bronze | C61900 |
| 8 | Diffuser | Ductile Iron | GJS500-7 |
| 9 | Set Screw | Stainless Steel | AISI304 |
| No. | Part Names | Material | Standard |
| 1 | Body | Ductile Iron | GJS500-7 |
| 2 | Disc | Ductile Iron+Rubber | GJS500-7+EPDM/NBR |
| 3 | Spring | Stainless Steel | AISI304/316 |
| 4 | Stem | Stainless Steel | AISI304 |
| 5 | Washer | Plastic | Nylon |
| 6 | Nut | Stainless Steel | AISI304 |
| 7 | Bushing | Bronze | C61900 |
| 8 | Plug | Ductile Iron | GJS500-7 |
| 9 | Diffuser | Ductile Iron | GJS500-7 |
| 10 | Set Screw | Stainless Steel | AISI304 |