STANDARDS OF MANUFACTURE
EN 1074-1 VALVES FOR WATER SUPPLY
EN 1074-4 AIR RELIEF VALVES
EN 1092-2 (ISO 7005-2) DRILLING FLANGES
MATERIALS
BODY
EN GJS-400-15 DUCTILE IRON EN 1563 (ISO 945)
(EN GL-250 CAST IRON OPT. EN 1561)
COVER
EN GJS-400-15 DUCTILE IRON EN 1563 (ISO 945)
(OPT. EN GL-250 CAST IRON EN 1561)
WEDGE EN GJS-400-15 + EPDM EN 1563 (ISO 945) + EN 681-1
STEM STAINLESS STEEL AISI420 X20Cr13 EN 10088-3
FLOAT POLYETHILENE
BUSHING BRASS CuZn40Pb2 EN 12164
CORROSION PROTECTION
COATED INSIDE-OUTSIDE
(FBE) EPOXY 150 MICRONS (250 MICRONS ON REQUEST)
CERTIFIATES
D.M. NR.174 – HEALTH DEPARTMENT (I)
TESTING
EN 12266-1 (ISO 5208) PRESSURE TESTS