Rubber Wedge Swing Check Valve
1. Main parts and material
1) Body & bonnet: ductile iron, cast iron
2) Disc: bonnet: ductile iron, cast iron with Rubber Coating
2. Test
Nominal Pressure(MPa) | Shell Test(MPa) | Seal Test(MPa) |
1.00 | 1.50 | 1.10 |
1.60 | 2.40 | 1.75 |
Ball Check Valve
1. Main parts and material
1) Body & bonnet: ductile iron, cast iron
2) Ball Float: Aluminum with Rubber Coating
2. Test
Nominal Pressure(MPa) | Shell Test(MPa) | Seal Test(MPa) |
1.00 | 1.52 | 1.10 |
1.60 | 2.40 | 1.76 |
Double orifice Air Valve
1. Main parts and material
1) Body & bonnet: cast iron, ductile iron
2) Disc : brass
3) Stem: stainless steel
4) Ball float: NBR/ABS/EPDM
2. Test
Nominal Pressure(MPa) | Shell Test(MPa) | Seal Test(MPa) |
1.00 | 1.50 | 1.10 |
1.60 | 2.40 | 1.76 |
Automatic Air Valve
1. Main parts and material
1) Body & bonnet: ductile, cast iron
2) Ball float: ABS/Rubber
2. Test
Nominal Pressure(MPa) | Shell Test(MPa) | Seal Test(MPa) |
1.00 | 1.50 | 1.10 |
1.60 | 2.40 | 1.76 |