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Brand | CASTFLOW |
Type | 2237 |
Norm | EN (DIN) |
Housing material | Ductile cast iron |
Material quality | EN-JS1020 |
Surface protection | Epoxy coating (in- and external) |
Nominal inner diameter | DN80 |
Connection | Wafer type |
Pressure rating | PN16 |
Face to Face norm | EN 558, Series 16 |
Face to Face length | 64 mm |
Valve shape | Dual plate |
With spring | Yes |
Kv value | 133 m³/h |
Sealing | NBR |
Material disc | Steel epoxy coating |
Material shaft | 1.4301 |
Spring material | 1.4300 |
Minimum medium temperature (continuous) | -10 °C |
Maximum medium temperature (continuous) | 100 °C |
Maximum pressure difference at 20 °C | 16 |
Minimum opening pressure | 2.85 mbar |
DN | DN80 |
A | 144 mm |
L | 64 mm |
Weight | 3 kg |