STANDARDS OF MANUFACTURE
EN 593 METALLIC BUTTERFLY VALVES
EN 1074-1 VALVES FOR WATER SUPPLY
EN 1074-2 ISOLATING VALVES
EN 558 S13 (ISO 5752) FACE TO FAC
EN 1092-1 (ISO 7005-2) ANSI B16.5 CI.150 DRILLING FLANGES
MATERIALS
BODY EN GJS-500-7 DUCTILE IRON EN 1563 (ISO 945)
DISC
FIG.211-211A – EN GJS-500-7 DUCTILE IRON EN 1563 (ISO 945)
FIG.211/304-211A/304 – AISI304 STAINLESS STEEL EN 10088-3
FIG.211/316-211A/316 – AISI316 STAINLESS STEEL EN 10088-3
SEALING EPDM/NBR EN 681-1 (ISO 4633 – ISO 9631)
STEM AISI410/AISI431 STAINLESS STEEL EN 10088-3
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