Vanne à siège résilient

• According to EN 1171, EN 1074-1 and EN 1074-2;

• Face to face dimension according to EN 558 series 14 and series 15;

• Body, bonnet and wedge made of ductile iron EN GJS 500-7 according to EN 1563;

• Wedge coating made of vulcanized EPDM rubber according to EN 681-1 WA;

• Gasket and o-rings made of EPDM rubber according to EN 681-1 WA;

• Flange dimensions according to EN 1092-2;

• Body and bonnet connection made of 8.8 grade galvanized steel screws fully protected against corrosion;

• Shaft made of stainless steel EN 1.4021 (AISI 420);

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

• 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;

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

HIGH CORROSION-RESISTANT MATERIALS

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

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

• Screws made of stainless steel A2-70 EN ISO 3506-1 or A4-70 EN ISO 3506-1