Wafer Type Butterfly Non Return Valve Stainless Steel Butterfly Check Valve
Overview:
Check valve refers to a valve whose opening and closing parts are circular discs and rely on their own weight and medium pressure to act to block the reverse flow of the medium. According to the structure, it can be divided into three types: lift check valve, swing check valve and butterfly check valve. The materials are generally carbon steel, stainless steel, cast iron, brass, and forged steel.
Butterfly Check Valve body and valve leaf materials: cast iron, carbon steel, stainless steel; valve stem and spring material: stainless steel; valve seat material: EPDM, stainless steel. Butterfly check valves are divided into wafer type and double flange type.
Parameter:
| Nominal Diameter mm | L mm | H mm | D | |
| 1.0mpa | 1.6mpa | |||
| 50 | 43 | 60 | 150 | 105 |
| 65 | 46 | 73 | 124 | 124 |
| 80 | 64 | 89 | 142 | 142 |
| 100 | 64 | 110 | 162 | 162 |
| 150 | 76 | 168 | 218 | 218 |
| 200 | 89 | 219 | 272 | 273 |
| 500 | 152 | 526 | 594 | 616 |
| 1000 | 300 | 914 | 1124 | 1128 |
| Nominal | Strength Test Pressure | Seal Test Pressure | Proper Temperature | Applicable Media |
| mpa | mpa | mpa | ℃ | |
| 1 | 1.5 | 1.1 | ≤80 | Clear Water Sewage Seawater |
| 1.6 | 2.4 | 1.76 |
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