STANDARDS OF MANUFACTURE
EN 593 METALLIC BUTTERFLY VALVES
EN 1074-1 VALVES FOR WATER SUPPLY
EN 1074-2 ISOLATING VALVES
EN 558 S20 (ISO 5752) FACE TO FACE
EN 1092-2 (ISO 7005-2) DRILLING FLANGES
MATERIALS
BODY
FIG.350-351-352-353 – EN GJS-250 CAST IRON EN 1561 (ISO 945)
FIG.350N-350NA-352N-352NA-352N/25 – EN GJS-400-15 DUCTILE IRON EN 1563 (ISO 945)
DISC
FIG.350-350N – EN GJS-400-15 GHISA DUCTILE IRON EN 1563 (ISO 945)
FIG.351-351NA – 1.4301 AISI304 STAINLESS STEEL EN 10088-3
FIG.352-352N-352NA-352N/25 – 1.4401 AISI316 STAINLESS STEEL EN 10088-3
FIG.353 – BRONZE-ALLUMINUM EN 1982
SEAT
EPDM EN 681-1 (ISO 4633 – ISO 9631) (OPT. NBR-VITON-NEOPRENE-SILICONE-HYPALON-FLUCAST)
STEM
STAINLESS STEEL AISI420 (OPT. OPT. AISI304, AISI316) EN 10088-3
CORROSION PROTECTION
COATED INSIDE-OUTSIDE
(FBE) EPOXY 120 MICRONS
CERTIFIATES
D.M. NR.174 – HEALTH DEPARTMENT (I)
TESTING
EN 12266-1 (ISO 5208) PRESSURE TESTS
ACCESSORIES
LEVER CONTROL
GEARBOX CONTROL
ELECTRIC CONTROL
PNEUMATIC CONTROL