Body made of ductile cast iron EN-GJS 400-15 (DN50-DN200); forged brass for DN15-DN50 and protect epoxy coating minimum 250 microns according to EN ISO 12944- 5, body bonnet Zinc coated screws protected by wax. Anticorrosion material internal parts. Anticorrosion material internal parts. Flange connection according to EN 1092-2 (DIN2501) pressure PN10 PN16 for DN50-DN200, Article marking according to EN 19; EN 1074.
Application
Water lines networks: potable water back flow protection. Max. working pressure 1.6MPa and temp. up to +70°C
Characteristic hight and low pressure tightness.
Assembling
Recommended installation : horizontal position. Easy control of internal parts without dismounting.
