Vanne Papillon Double Excentration - Modèle Caoutchouc Dur

• Soft sealing according to EN 593;

• Face to face dimension according to EN 558 series 14;

• All materials, including lubricants, in contact with water approved for human consumption according to EN 1074-1 and EN 1074-2;

• One-piece body made of ductile iron EN GJS 400-15 according to EN 1563;

• Flange dimensions according to EN 1092-2;

• Screws, washers made of stainless steel A2-70 EN ISO3506-1;

• Retaining seal ring made of stainless steel EN 1.4301 EN 10088-3 (AISI 304);

• Body seat ring welded on the body, made of stainless steel;

• Shaft and disc polygon coupling “P3G” type according to DIN 32711;

• Main disc sealing ring made of EPDM according to EN 681-1 WA, WB;

• Shaft supported by solid and maintenance-free bronze bearings (PN25 - PN40, from DN600 and above, with additional PTFE low

friction lining);

• Internal and external surface protection made of epoxy resin powder (FBE), blue colour RAL 5015 and thickness of 250μm;

• Hydraulic test according to EN 12266-1;

• Tight in both flow directions, rate A according to EN 12266-1 (zero drops);

• Working temperature Min. -10°C (excluded frost) Max. + 70°C;

• Gearbox with self-locking worm gear including mechanical position indicator;

• Gearbox suitable for coupling with actuator according to ISO 5210 top flange.

HIGH CORROSION-RESISTANT MATERIALS

Upon request, some parts can be produced with high corrosion-resistant materials such as:

• Retaining ring made of stainless steel 1.4571 EN 10088-3 (AISI 316Ti) or DUPLEX 1.4462 EN 10088-3;

• Shaft made of stainless steel 1.4301 EN 10088-3 (AISI 304), 1.4401 EN 10088-3 (AISI 316) or DUPLEX 1.4462 EN 10088-3;

• Screws and washers made of stainless steel A4-70 EN ISO 3506-1, DUPLEX or SUPERDUPLEX.