Wafer Type Silent Check Valves
1.Standard: Conforms to API/DIN
2.Face to Face: ANSI B16.1
3.Material: Cast Iron/Ductile Iron
4.Normal Pressure: PN10/16,ANSI 125/150
5.Size: DN50-DN300
DESCRIPTION
Flange according to ANSI 125/150
Face to face according to ANSI 125/150
Excellent tightness
Low head loss
Extremely reliable
Excellent hydraulic result
Simplicity in mounting and use
Working pressure: 1.0Mpa/1.6Mpa
Pressure test according to standards: API598 DIN3230 EN12266-1
working temperature: NBR: 0℃～+80℃
EPDM: -10℃～+120℃
Medium: Fresh Water, Sea water, all kinds of oil, acid, alkaline liquid etc.
MATERIAL LIST
| NO. | Part | Material |
| 1 | Body | GG25/GGG40 |
| 2 | Guide | Stainless steel |
| 3 | Disc | Stainless steel |
| 4 | O-Ring | NBR/EPDM/VITON |
| 5 | Seal ring | NBR/EPDM/VITON |
| 6 | Bolts | Stainless steel |
| 7 | Axle | Stainless steel |
| 8 | Spring | Stainless steel |
DIMENSION
| DN(mm) | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
| L (mm) | 67 | 73 | 79 | 102 | 117 | 140 | 165 | 210 | 286 |
| ΦA(mm) | 59 | 80 | 84 | 112 | 130 | 164 | 216 | 250 | 300 |
| ΦB (mm) | 108 | 127 | 146 | 174 | 213 | 248 | 340 | 406 | 482 |
| ΦC(mm) | 120 | 140 | 148 | 180 | 210 | 243 | 298 | 357 | 408 |
| N-R(mm) | 4-R10 | 4-R10 | 4-R10 | 8-R10 | 8-R11.5 | 8-R12.5 | 8-R12.5 | 12-R15 | 12-R15 |
