Flange Connected Swing Check Valve
The valve is suitable for the one-way opening and closing pipeline with nominal pressure of PN1.6-2.5MPa and working temperature of -10℃~350℃ in petroleum, chemical industry, pharmaceutical industry, chemical fertilizer, electric power industry and other working conditions, to cut off or connect the pipeline medium.
1. Light valve body, short opening and closing stroke of disc. Streamlined structure, low flow resistance.
2. Short closing time, fast closing function and good energy saving effect.
Material of Main Parts
| No. | Component | Material |
|---|---|---|
|
01 |
Body |
Ductile iron GGG50 |
|
02 |
Pressure seat |
Copper or stainless steel |
|
03 |
Disc |
Ductile iron GGG50/EPDM |
|
04 |
Rocker |
Ductile iron GGG50 |
|
05 |
Gasket |
Stainless steel 13Cr |
|
06 |
Nut |
Galvanized carbon steel |
|
07 |
Split pin |
Stainless steel 304 |
|
08 |
Threaded seat |
Copper or stainless steel |
|
09 |
Disc seal ring |
Copper or stainless steel |
|
10 |
Pin shaft |
Stainless steel 13Cr |
|
11 |
Plug |
Galvanized or cast iron |
|
12 |
Middle flange gasket |
Flexible graphite + perforation plate EPDM |
|
13 |
Hexagon head bolt |
Galvanized carbon steel |
|
14 |
Gasket |
Galvanized carbon steel |
|
15 |
Bonnet |
Ductile iron GGG50 |
|
16 |
Plug |
Galvanized or cast iron |
|
17 |
Lifting ring |
Galvanized carbon steel |