STANDARDS OF MANUFACTURE
EN 1074-1 VALVES FOR WATER SUPPLY
EN 1074-3 CHECK VALVES
EN 558 S48 (ISO 5752) (DIN 3202 F6) FACE TO FACE
EN 1092-2 (ISO 7005-2) DRILLING FLANGES
MATERIALS
BODY EN GJS-500-7 DUCTILE IRON EN 1563
COVER EN GJS-500-7 DUCTILE IRON EN 1563
DISC EN GJS-400-15 + EPDM/NBR EN 1563 + EN 681-1
SET SCREW GALVANIZED STEEL CL. 8.8 EN 898-1
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
GRADE “A
ACCESSORIES
BY-PASS