| Customization: | Available |
|---|---|
| Media: | Gas, Oil, Water |
| Material: | Cast Iron |
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SPECIAL FEATURES:
Non return valve to be installed in pumping stations for clean or sewage water and viscous fluids.
Full bore type, self cleaning ball. Low pressure drop and noiseless.
Body and cover high quality epoxy powder coated (fusion bonded), minimum thickness 250 micron.
Working temperature: 10° C - 70°C.
Minimum differential pressure of closing for a perfect sealing: from 0,3 to 0,5 bar according to DN.
Removable bonnet for cleaning or changing the ball without disassembly out of the pipeline.
Horizontal and vertical installation in the pipeline.
MATERIALS:
| Body: | Cast iron, EN GJL 250 / EN 1561 (former to DIN GG25) |
| Cover: | Ductile iron, EN GJL 250 / EN 1561 (former to DIN GG25) |
| Ball: | DN 40-250: aluminium NBR coated |
| DN 300-400: steel NBR coated | |
| Gasket: | NBR rubber |
| Fasteners: | Stainless steel A2-70 / EN ISO 3506 |
All metal, rubber, and coatings used have been designed for contact with water for human consumption, pursuant to the terms of Italian Health Ministry decree n° 174, dated 6/4/2004.
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