Resilient Seated Gate Valve
A020
Resilient seated gate valves are gate valves with an elastomer lined wedge.
They are especially used for wastewater, drinking water supply and irrigation.
We cover an extensive range in stock up to DN800 and bigger sizes on demand. Body, bonnet and ISO bracket are epoxy coated FBE 250µm to protect against corrosion.
• 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
