Self-cleaning ball backflow preventer for wastewater and sludge.
Socla’s type 408 and 418 ball check valves are specially designed for applications involving wastewater, sludge and viscous liquids. Thanks to the self-cleaning ball and robust design, they offer reliable backflow prevention with minimal maintenance – ideal for municipal and industrial systems.
| Characteristic | Value |
| Nominal pressure | PN 10 / PN 16 |
| Nominal size | DN 50 – DN 350 |
| Temperature range | -10°C to +80°C |
| Body | Ductile iron EN-GJS400 |
| Gasket | NBR |
| Installation position | Horizontal or vertical |
Our check valves offer a compact solution for standard installations and can be seamlessly integrated into piping systems – ideal for SKID systems, modular assemblies and complex process lines.
Whether pump station, valve stand or pipe production – our engineering teams ensure precise design and ready-to-install delivery. This saves you time, reduces interfaces and increases operational reliability.
Waste water, sludge and viscous liquids.
Yes, horizontal or vertical (ball housing on top).
EN 12050-4, EN 1092, Pressure Equipment Directive 2014/68/EU.
Yes, special coatings and stainless steel screws are available.
Low maintenance, easy disassembly for cleaning.
Our insulations are more than just accessories – they perfectly complement fittings and systems and increase efficiency, safety and adaptability.
Order and configure now.
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