STANDARDS OF MANUFACTURE
EN 1074-1 VALVES FOR WATER SUPPLY
EN 1074-3 CHECK VALVES
EN 558 S10 (ISO 5752) FACE TO FACE
EN 1092-2 (ISO 7005-2) DRILLING FLANGES
MATERIALS
BODY DUCTILE IRON EN GJS-500-7 EN 1563
COVER DUCTILE IRON EN GJS-500-7 EN 1563
DISC STEEL + EPDM/NBR EN 10088-3 + EN 681-1
SET SCREW GALVANIZED STEEL
CORROSION PROTECTION
COATED INSIDE-OUTSIDE
(FBE) EPOXY 250 MICRONS
CERTIFIATES
D.M. NR.174 – HEALTH DEPARTMENT (I)
TESTING
EN 12266-1 (ISO 5208) PRESSURE TESTS
GRADO “A”
ACCESSORIES
BY-PASS