ball check valve
1)Size:DN50~DN300mm
2)Valve body:GG25/GGG40
3)Ball:Metal+NBR/EPDM
4)Type of connection:Flanged/screwed

1.Name:Flange ball type check valve

1).Size:DN50~DN300mm or Inch 2"~12"

2).Flange accord with:DIN2501 PN10/PN16

3).Face-to-face-dimension:DIN3202 F6

4).Working pressure:1.6Mpa

5).Working temperature:EPDM -10°c~+120°c /NBR -10°c~+80°c

6).Minimum open pressure:0.002Mpa

7).Suitable medium:wafer, foodstuff, gas, Oil, acid, alkali and so on.

2.Name:internal thread ball type check valve

1).Size:DN25~DN80mm or Inch 1"~3"

2).Working pressure:1.6Mpa

3).Working temperature:EPDM -10°c~+120°c /NBR -10°c~+80°c

4).Minimum open pressure:0.001Mpa

5).Suitable medium:wafer, foodstuff, gas, Oil, acid, alkali and so on.