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Technical Information

Butterfly valves - 14640 Butterfly valves

MVQ (Silicone) EPDM HNBR FPM (Viton)

in Nocado qualityis an extremelysturdy materialfor universal use,also for fully de-salinated water(at low switchingfrequency) andproducts containing grease in Nocado quality is suitable particu -larly for applica-tions where thismaterial hasproven itself, suchas with certainhydrocarboncompounds, aromatics andproducts contain-ing grease in Nocado qualityhas very good all-round characteristics in Nocado qualityhas exceptionalall-round characteristics
Characteristics Colour red or transparent black black brown Hot water 110°C 160°C 130°C 80°C Edible oil 200°C not resistant 140°C 200°C Caustic soda solution 2%, 90°C (no switchat>60°C) 3%, 95°C 5%, 100°C 2,5%, 85°C Nitric acid 1,5%, 40°C 2%, 80°C not recommen-dable 3%, 60°C
Resistance Phosphoric acid 1,5%, 40°C 4%, 70°C 2%, 60°C 2%, 60°C Hydrogen perox-ide/peracetic acid 0,7%, 40°C 0,7%, 40°C 0,7%, 40°C 0,7%, 40°C Can be sterilizedwith steam 121°C (60 min.) 160°C 130°C 121°C (60 min.) Density 1,37 g/cm
3 1,12 g/cm
3 1,20 g/cm
3 2,16 g/cm
3 Hardness 75 Shore A 75 Shore A 75 Shore A 75 Shore A Tensile strength 5,5 N/mm
2 12 N/mm
2 19 N/mm
2 10 N/mm
2 Elongation atbreak 220% 268% 202% 232%
Mechanical characteristics Residual pressuredeformation 14% 19% 22% 14%
All sealing materials provided by Nocado are suitable for numerous food and beverages. EPDM, however, offers the highest profitability. EPDM can be used for products with fat content <4,5% and temperatures >80°C as well as forconcentrated acids and bases at room temperature.