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butterfly valves 3 M butterfly valves
D0
H2 H1 DOUBLE ECCENTRIC TYPE
H
L2 Db
DN
L
L1
M1
H3 L3
H4
Materials O-Ring bush:
Brass CuZn40Pb2
Body, disc, retainer ring and gear box:
Ductile iron EN-GJS-500-7/EN 1563 Anti friction bushes:
(former to DIN GGG50) Multilayer steel honeycomb and lubricating graphite
Shaft: O-Rings and disc seal:
Stainless steel 1.4021/EN ISO 10088 Rubber, potable water approved
(equivalent to UNI X20Cr13 or AISI420)
Sealing seat:
Austenitic nickel-chromium stainless steel
(equivalent quality to AISI304)
All metal, rubber, and coatings used have been designed for contact with water for human consumption, pursuant to the terms of Italian Health Ministry
decree n° 174, dated 6/4/2004.
© RACI srl - ISO 9001 - Catalog Ed 10/2016 3.2 info@raci.it - www.raci.it - Tel. +39 02 262.351
