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Fernco·Flap valves
IBECO Flap Valves, Wall Mounted
A passive one-way valve that prevents backflow in wastewater and stormwater systems, particularly in environments with varying water levels. The valve is fitted at the outlet of the pipeline, opens freely for outflow and closes automatically against back pressure.
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About the product
A passive one-way valve that prevents backflow in wastewater and stormwater systems, particularly in environments with varying water levels. The valve is fitted at the outlet of the pipeline, opens freely for outflow and closes automatically against back pressure. Manufactured in PE (HDPE 500) with a patented co-extruded EPDM seal that provides a watertight connection against the wall without extra tape or sealant. Compared with cast iron, the design gives considerably lower opening pressure, which reduces the amount of standing water behind the gate. Operating temperature: Constant 80 °C Intermittent 100 °C
Benefits
- Low opening pressure, 22–53 mm water column depending on size
- Co-extruded EPDM seal from FV150 – no extra tape or gasket required
- Handle for easier handling and installation
- Seals up to 7 mWC against the seat
- Estimated service life: up to 60 years
Variants(21)
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Material specification
| Component | Material |
|---|---|
| Backplate and gate | PE (HDPE 500) |
| Seal | integrated EPDM to BS EN 681-1:1996 |
| Stainless steel | 316 (A4 / 1.4401) |
| – | Glass-fibre reinforced nylon (GFN) |
Certifieringar & standarder
SS-EN 681-1
DIN 19569-4
BS 7775
EN 681-1
ISO 9001
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