Antipollution check valve proect by epoxy coating minimum 250 microns according to EN ISO 12944- 5, body bonnet Zinc coated screws protected by wax. Low medium resistance – smooth surfaces, no hydraulic impacts, high and low pressure tightness. Repair and maintenance without dismounting from installation. Access eye to check closing tightness and water sampling. Additional hole for vertical drainage system. Flange connection according to EN 1092-2 (DIN2501) pressure PN10; PN16
Application
Water lines networks: potable water back flow protection. Max. working pressure 1.6MPa and temp. up to +70°C, Two closing devices with intermediate chamber to separate inflow from outflow zone, article according to PN-EN 1717.
Assembling
Recommended installation : horizontal position