Guangzhou Yicheng Fountains & Pools Equipment Co., Ltd.
Guangzhou Yicheng Fountains & Pools Equipment Co., Ltd. With CE and ISO certified and talented R&D team, we are in a position to offer not only novel fountain design, but also reliable quality
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Ductile Iron Flanged Check Valve IP68 Silent Type For Drainage Pipeline
Description:
Silent lift check valve is suitable for water supply and drainage pipeline. It has small volume, light weight, small resistance, long service life etc.
Material List:
| Pos | Part | Material |
| 1 | Guide | Ductile Iron GGG40 |
| 2 | Body | Cast lron GG25 |
| 3 | GUIDING STEM | Brass Cuzn40Pb2 |
| 4 | Spring | Stainless steel |
| 5 | Seal | NBR,EPDM,VITON |
| 6 | Disc | Ductile Iron GGG40 |
Application:
| PN Nominal pressure | 1.6Mba |
| Sealing test pressure | 1.76Mba |
| Strength test pressure | 2.4Mba |
| Suitable temperature |
EPDM:-10—+120°C NBR:-10—+80°C VITON:-23—+150°C SILICON:-50—+200°C |
Dimension Detail:
| size | A | Cv | Weight(Lbs) |
| 2" | 51/4 | 50 | 18.0 |
| 2 1/2" | 51/2 | 140 | 24.0 |
| 3" | 6 | 180 | 28.0 |
| 4" | 71/4 | 330 | 43.0 |
| 5" | 81/2 | 535 | 55.0 |
| 6" | 93/4 | 745 | 71.5 |
| 8" | 121/2 | 1310 | 123.0 |
| 10" | 151/2 | 2160 | 183.0 |
| 12" | 141/4 | 3000 | 306.0 |
| 14" | 153/4 | 4200 | 381.0 |
| 16" | 171/2 | 6500 | 501.0 |
FLow Coefficient:
The flow coefficient (Cv) is the number of gallons per minute of water flowing through a given size restriction at a pressure drop of one psig. To obtain the Cv factor for a given size check valve refer to table left.
Notes:
1. Design subject to change without notice.
2. Contact us for certified prints ( exact dimension) when requeire.
3. Flange dimensions are suitable for ANSI std. BS std. and DIN std.