STANDARDS OF MANUFACTURE
Metal seat gate valves
EN 1171 (ISO 1083) DUCTILE IRON GATE VALVES
EN 1074-2 ISOLATING VALVES
EN 558 (ISO 5752) FACE TO FACE
EN 1092-2 (ISO 7005-2) DRILLING FLANGES
MATERIALS
BODY
EN GJL-250 CAST IRON EN 1561 (ISO 945)
EN GJS-400-15 DUCTILE IRON EN 1563 (ISO 945)
EN GJS-500-7 DUCTILE IRON EN 1563 (ISO 945)
WEDGE
EN GJL-250 CAST IRON EN 1561 (ISO 945)
EN GJS-400-15 DUCTILE IRON EN 1563 (ISO 945)
EN GJS-500-7 DUCTILE IRON EN 1563 (ISO 945)
BRASS CuZn38Pb2 EN 12164
SEAT
BRASS EN 12164
STAINLESS STEEL AISI304 EN 10088-1
STEM
STAINLESS STEEL AISI420 EN 10088-3
BRASS CuZn40Pb2Sn EN 12165
CORROSION PROTECTION
COATED INSIDE-OUTSIDE
(FBE) EPOXY 150 MICRONS (250 MICRONS)
CERTIFICATES
D.M. NR.174 – HEALTH DEPARTMENT (I)
TESTING
EN 12266-1 (ISO 5208) PRESSURE TESTS
GRADE “D”
ACCESSORIES
ELECTRIC ACTUATOR
GEARBOX
EQUIPMENT FOR UNDERGROUND INSTALLATION
RISING STEM
LEVER