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SPECIAL VALVES SPECIAL VALVES 11
BUTTERFLY
CHECK VALVE
MOD. 11050 PN 10 DN 125-1200
MOD. 11051 PN 16 DN 125-1200
MOD. 11052 PN 25 DN 125-1200
Butterfly check valve. On demand available with damper piston.
M1 M2
D e
DN
R
H1 H
L
Materials Sealing seat welded on body:
Austenitic nickel-chromium stainless steel (equivalent
Body, disc, retainer ring: quality to AISI304)
Ductile iron EN-GJS-400-15/EN 1563
(former to DIN GGG40), internal and external O-Rings and disc sealing:
epoxy coated Rubber
Shaft: Counterweight:
Stainless steel 1.4021/EN ISO 10088 Cast iron EN-GJL-250/EN 1561 (former to DIN GG25)
(equivalent to UNI X20Cr13 or AISI420)
info@raci.it - www.raci.it - Tel. +39 02 262.351 11.7 © RACI srl - ISO 9001 - Catalog Ed 10/2016
