T.I.S. D140 DN400 PN10

• 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.