zhejiang teyi valve co.,ltd.
30 YEARS' INDUSTRIAL VALVE EXPERIENCE
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Non Return Water Hydraulic Control Valves Intelligent Diaphragm Operated
Description:
300X slowly closing Non Return check valves are automatically actuated. It is a kind of intelligent valve, installed at the outlet of pump in high building's supply system or other supply system to prevent the fluid flowing backwards, water-hammering and water-hitting. This kind of valves have the function of electric valve, non-return valve and water hammering eliminator and improves the safety of supply system. It has the principal of slowly open, quickly closing and slowly closing to provent water hammer when start or stop the pump. Just operate the pushing botton for the pump motor and the valve can auto matically open or close as per the operating procedure with little pressure lose and larged flow rate.
Material:
| Material for main Parts | Body/Cover | Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel |
| Diaphragm | EPDM or NBR | |
| Disc | Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel | |
| Piping/Fitting | SS or Brass | |
| Spring | SS304 | |
| Shaft | A276 410 | |
| Operation | Automatic control by pressure differential | |
| Working Temperature | 0 to 80 Celsius degree | |
| Working Medium | Water | |
Dimesion:
| size(mm) | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
| L(mm) | 205 | 229 | 250 | 292 | 330 | 356 | 495 | 622 | 698 | 787 | 900 | 978 | 1075 | 1230 |
| H(mm) | 270 | 305 | 320 | 400 | 455 | 502 | 636 | 750 | 913 | 913 | 1035 | 1035 | 1300 | 1370 |
| H1(mm) | 200 | 210 | 220 | 260 | 310 | 342 | 413 | 510 | 600 | 600 | 685 | 685 | 880 | 950 |
Installation drawing:
Competitive Advantage:
1 . 30 years of industrial valves experience to guarantee quality.
2 . Always stand on the side of of the customer, and support customer to win the market and find new way.
3 . 12 months warranty
4 . Short Delivery time
