The very abundant projects administration experiences and 1 to just one provider model make the higher importance of company communication and our easy understanding of your expectations for Wholesale Dealers of China DN40~DN700 Pn10 Pn16 Ductile Cast Iron Double Disc Dual Non Return Wafer Type Flap Check Valve, In case you are interested in almost any of our objects, make sure you never wait to call us and go ahead and take initial step to construct up a successful business romance.
The very abundant projects administration experiences and 1 to just one provider model make the higher importance of company communication and our easy understanding of your expectations for China Wafer Check Valve, Dual Check Valve, For many years, now we have adhered to the principle of customer oriented, quality based, excellence pursuing, mutual benefit sharing. We hope, with great sincerity and good will, to have the honor to help with your further market.
Product characteristics
1. New structure, small size, light weight, the first in the country.
2. Reliable sealing, stable opening and closing, wear-resistant and long service life.
3. Hydraulic pressure is slow-closing, not affected by medium, and has a wide range of applications.
4. Check valves with small flow resistance and better energy-saving effect than lifting type and rotary revelation.
Performance specification
Nominal Pressure(MPa) | 1.0 | 1.6 | 2.5 |
Strength and Pressure Test(MPa) | 1.5 | 2.4 | 3.75 |
Seal pressure(MPs) | 1.1 | 1.76 | 2.75 |
Applicable temperature | ≤80 | ||
Applicable medium | Clear water, sewage, sea water | ||
Slow closing time | ≤60S |
Major Component Materials
Part name | valve body | Disc | Stem, cylinder, piston | Spring | valve seat |
Material Science | Cast iron and steel | carbon steel | Stainless steel | Stainless steel | Ding Qing rubber |
Design drawings
Main Dimensions Table
DN(mm) | L | H | H1 |
40 | 140 | 200 | 88 |
50 | 150 | 215 | 98 |
65 | 170 | 225 | 108 |
80 | 180 | 235 | 118 |
100 | 190 | 280 | 130 |
125 | 200 | 290 | 148 |
150 | 210 | 310 | 172 |
200 | 230 | 350 | 210 |
250 | 250 | 415 | 240 |
300 | 270 | 450 | 264 |
350 | 290 | 480 | 297 |
400 | 310 | 550 | 324 |
450 | 330 | 585 | 351 |
500 | 350 | 640 | 379 |
600 | 390 | 720 | 434 |
700 | 430 | 780 | 491 |
800 | 470 | 840 | 549 |
900 | 510 | 990 | 600 |
1000 | 550 | 1050 | 655 |
1200 | 630 | 1210 | 770 |