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| Brand Name: | SONGO |
| MOQ: | 2 pieces |
| Price: | CN¥640.57/pieces 2-29 pieces |
| Payment Terms: | L/C,D/A,D/P,T/T,Western Union |
| Supply Ability: | 5000-10,000Pieces/Month |
Descriptions And Features Of Dual Plate wafer check valve :
The Dual Plate Wafer Check Valve is a compact check valve with a butterfly-shaped double-valve design. The valve flap is composed of two symmetrical valve flaps that rotate around the central axis to achieve the opening and closing function. The valve is connected by a flange connection, occupying a small space and weighing lightly. It is widely used in water treatment systems, HVAC (Heating, Ventilation, and Air Conditioning), petrochemicals, seawater treatment, etc., to prevent the backflow of media and protect the safety of equipment and pipeline systems.
When the medium is flowing in the forward direction, the fluid pressure drives the valve disc to rotate and open along the axis. The medium can pass through smoothly. When the medium flows in the reverse direction, the valve disc closes rapidly under the action of the spring force and the reverse pressure, preventing the reverse flow.
Design Features Of Dual Plate wafer check valve :
1. The wafer design takes up little space and is suitable for narrow installation environments .
2. The flow channel is unobstructed, resulting in low resistance for the fluid when the valve disc is opened, thereby saving system energy consumption.
3. Spring-assisted closure effectively reduces the water hammer phenomenon caused by the backflow of the medium.
4. Can be installed horizontally or vertically, suitable for different pipe layouts
5. The structure is simple, easy to disassemble and clean, thereby reducing maintenance costs.
Part Material Of Dual Plate wafer check valve:
| No. | PART | Material |
| 1 | Body | Ductile iron,WCB,CF8 |
| 2 | Plate | Ductile iron+Ni,WCB,CF8 |
| 3 | Spring | Stainless steel |
| 4 | Hinge Pin | Stainless steel |
| 5 | Plug | Carbon steel |
| 6 | Body Bearing | Ptfe |
| 7 | Spring Bearing | Ptfe |
| 8 | Stop Pin | Stainless steel |
| 9 | Eye bolt | Carbon steel |
| 10 | Body seat | NBR,EPDM,Viton |
Structure Dimension Drawing Of Dual Plate wafer check valve:
| Nominal diameter | B | E | F | R | d | A | |
| DIN PN10 | ANSI150 | ||||||
| DN50 | 43 | 65 | 19 | 28.8 | 43.3 | 107 | 102 |
| DN65 | 46 | 80 | 20 | 36.1 | 60.2 | 127 | 121 |
| DN80 | 64 | 94 | 27 | 43.4 | 66.4 | 142 | 133 |
| DN100 | 64 | 117 | 28 | 52.8 | 90.8 | 162 | 171 |
| DN125 | 70 | 145 | 30 | 65.7 | 116.9 | 192 | 193 |
| DN150 | 76 | 170 | 30 | 78.6 | 144.6 | 218 | 219 |
| DN200 | 89 | 224 | 31 | 104.4 | 198.2 | 273 | 276 |
| DN250 | 114 | 265 | 33 | 127 | 233.7 | 328 | 336 |
| DN300 | 114 | 310 | 50 | 148.3 | 283.9 | 378 | 406 |
| DN350 | 127 | 360 | 43 | 172.4 | 332.9 | 438 | 448 |
| DN400 | 140 | 410 | 45 | 197.4 | 381 | 488 | 511 |
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