ECON® Check valve Type: 77NGY Ductile cast iron/Stainless steel Disc With spring Straight PN16 Flange DN50
- ERIKS:11810453
- Manufacturer:8716901110787
Ductile cast iron check valve, piston type, with bolted cover and flanged ends, pressure class PN16.
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420,80 €/ pieceexcl. VAT
509,17 €incl. VAT
4 In stock - Estimated delivery date 22.09.2026Live Order Tracking
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Brand | ECON® |
Type | 77NGY |
Norm | EN (DIN) |
Construction type | Straight |
Housing material | Ductile cast iron |
Material quality | EN-JS1020 |
Surface protection | Standard manufacturers coating |
Nominal inner diameter | DN50 |
Connection | Flange |
Pressure rating | PN16 |
Flange finish | Raised face |
Face to Face norm | EN 558, Series 1 |
Face to Face length | 230 mm |
Valve shape | Flap |
With spring | Yes |
Kv value | 40.5 m³/h |
Sealing | Stainless steel |
Material disc | 1.4021 |
Material cover | EN-JS1020 |
Material cover gasket | Graphite |
Material shaft | 1.4021 |
Spring material | 1.4057 |
Minimum medium temperature (continuous) | -10 °C |
Maximum medium temperature (continuous) | 350 °C |
Maximum pressure difference at 20 °C | 16 |