Page 35 - RACI

BUtteRFlY valves

centric type - Wafer
3
Butterfly valves 3MOd. 3301pn 10/16dn 50-1200
MOd. 3302 pn 25 dn 50-500

Butterfly with centring holes for wafer installation.

special features

• Wafer type for mounting between two counter flanges,
with guiding slot at the top and the bottom.

• Design according to the requirements of eN 1074
and certified according to european directive 97/23/Ce
(PeD) by third part organisation (module H).

• Body completely high quality epoxy powder coated
(fusion bonded).

• Face-to-face reduced dimensions according to
eN 558-1 series 20 -(former DIN 3202-K1).

• shut-off system without seat reducing the net flow
section.

• Inside fully rubber lined by a sleeve (changeable up
to DN 300).

• From DN300 single shaft version hinged into the disc.

• Bearings in self-lubricated material with secondary
O-Rings sealing embedded.

• Manual operation by lever (standard equipment up to
DN 200) or by gearbox and handwheel (DN>200).

• On request, the valves could be equipped by extension
spindle (for underground installation), electric or
pneumatic actuators.

Materials

bODy COD. DISC SHAFT(S) LINER bEARINGS
Cast iron Z01 Stainless steel 1.4401 (UNI X5CrNiMo1712 or AISI 316) Stainless steel 1.4021 EPDM Resin
EN-GJL-250 Z03 Stainless steel 1.4401 (UNI X5CrNiMo1712 or AISI 316) (UNI X2CrS13 or AISI 420) NBR or self-
Z05 EPDM
Ductile iron Z07 Ductile iron EN-GJS-400-15 nickel plated Stainless steel 1.4021 NBR lubricated
EN-GJS-400-15 Z09 Ductile iron EN-GJS-400-15 nickel plated (UNI X2CrS13 or AISI 420) EPDM bronze
Z11 NBR
Z13 Galvanized steel EPDM Resin
Z15 Galvanized steel NBR or self-
Z20 Stainless steel 1.4301 (UNI X5CrNi1810 or AISI 304) VITON lubricated
Q01 Stainless steel 1.4301 (UNI X5CrNi1810 or AISI 304) EPDM bronze
Q03 Ductile iron EN-GJS-400-15 epoxy coated NBR
Q05 Stainless steel 1.4401 (UNI X5CrNiMo1712 o AISI 316) EPDM
Q07 Stainless steel 1.4401 (UNI X5CrNiMo1712 o AISI 316) NBR
Q09 Ductile iron EN-GJS-400-15 nickel plated EPDM
Q11 Ductile iron EN-GJS-400-15 nickel plated NBR
Q13 Galvanized steel EPDM
Q15 Galvanized steel NBR
Q20 Stainless steel 1.4301 (UNI X5CrNi1810 or AISI 304) VITON
Stainless steel 1.4301 (UNI X5CrNi1810 or AISI 304)
Ductile iron EN-GJS-400-15 epoxy coated

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.

info@raci.it - www.raci.it - Tel. +39 02 262.351 3.5 © RACI srl - ISO 9001 - Catalog ed 10/2016