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Non-Return Valve (Lift type)
DN 50 … 200
PN 10 & PN 16
Field of application: Back flow prevention in water supplies, water treatment, waste water, irrigation, dams, pumping stations, industries, power plants and etc. It can be used for fluids such as drinking water, waste water, oil and etc. up to 120°C.
Features:
Flanges: according to DIN 2501
Face to face: according to DIN 3202 – F1
Hydrostatic test pressure: according to DIN EN 12266-1
Corrosion protection: Completely coated with blue color (RAL 5005) electro -static epoxy powder coating according to DIN 30677-T2
Ability to install in every position
Materials:
Body and Bonnet: Ductile Cast Iron 1693 (GGG40)
Body seat ring and Disc: Stainless steel (X20Cr13)
Stem: Stainless steel (X20Cr13)
Elastometric Parts: Silicon
Alternatives:
Elastometric materials of NBR and Viton for higher temperaturesNBR