300X slowly closed check valve
300X slowly closed check valve
300X slowly closed check valve
the valve is a smart valve that is installed at the water pump outlet of the high-rise building water supply system and other water supply systems to prevent backflow, water hammer . The valve has three functions of electric valve, check valve and water hammer eliminator, which can effectively improve the safety and reliability of the water supply system.
Size: DN 50 – DN 700
Flange drilling is suitable for BS EN1092-2 PN10/16.
Epoxy fusion coating.
|
Working Pressure |
10 bar |
16 bar |
|
Testing Pressure |
Shell: 15 bars; Seat: 11 bar. |
Shell: 24bars; Seat: 17.6 bar. |
|
Working Temperature |
10°C to 80°C |
|
|
Suitable Media |
Water |
|
material of main parts
| No | Name | Material |
| 1 | Body阀体 | Ductile iron球墨铸铁 |
| 2 | Bonnet阀盖 | Ductile iron球墨铸铁 |
| 3 | Disc阀板 | DI+NBRz球墨铸铁+NBR |
| 4 | Stem阀轴 | SS201 |
| 5 | Diaphram膜片 | EPDM+Nylon EPDM+尼龙 |
| 6 | Diaphram press plate膜片盖 | Ductile iron球墨铸铁 |
| 7 | Spring弹簧 | Sping steel不锈钢 |
| 8 | Ball valve球阀 | Brass 黄铜 |
| 9 | Needle valve针阀 | Brass 黄铜 |
| 10 | Pipe导管 | Brass 黄铜 |
If need the drawing details, please feel free to contact.
1. in the relief valve must be installed before closing muffler filter
2. the installation should pay attention to the arrow mark direction of the body, To facilitate maintenance,should leave some space around the valve
3.should be able to turn off the water to ensure maintenance of valve position when the path to install the appropriate cut-off valve
