Ball check valve
The check valve SR has the function of allowing the passage of the fluid in one direction only.
FEATURES COMMON TO ALL SR:
- Welding joint system
- PN16 (PVDF) or PN10 (PP-H) valve body made by injection molding in PVDF or PP-H and compliant with the European Directive 2014/68/EU (PED) for pressure equipment. Test requirements according to ISO 9393
- The valve can only be used with fluids having a specific gravity lower than 1.78 g/cm3 (PVDF) or 1.20 g/cm3 (PP-H)
- Gasket sealing system with anti-threading support
- Sphere completely made of PVDF or PP with talc
- Possibility to carry out maintenance with the valve body installed
- Possibility of installation both vertically (preferably) and horizontally
Manual valves
![Valvola SR DN 15:50 in PVDF Immagine della valvola di ritegno a sfera SR DN 15:50 in PVDF](/website/aliaxis-it/Pagine%20overview/PVDF/image-thumb__369060__content-block-image/SR%20PVDF%20-%20grigio.jpg)
![Valvola SR DN 15:50 in PP-H Immagine della valvola di ritegno a sfera SR DN 15:50 in PP-H](/website/aliaxis-it/Pagine%20overview/valvole/image-thumb__346043__content-block-image/SR%20PPH.jpg)
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