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BUTTERFLY VALVE UNE-EN 593 Fig.22 Flanges TYPE

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Fig.22 Flanges Fig.22Fig.21Fig.20
BUTTERFLY VALVE UNE-EN 593 Fig.22 Flanged TYPE
Face to face dimensions according to EN 558-1 Serial F20
Joining between flanges according UNE-EN 1092-2 PN10 / PN16
APPLICATIONS:
Water treatment and distribution, heating system, irrigation, chemical industry, food industry, others.
CHARACTERISTICS:
  • Holes in the same number of holes as in the flange, enabling a perfect alignment with pipe.
  • With 4 threaded drills and the rest smooth passing ones for each face.
  • The anchoring system of the seat in the body prevents its movement during maintenance and manoeuvre.
  • Low-pressure drop and total tightness.

PN: 10/16
DN: 300-500
BODY: Ductile cast iron. EN-GJS-400-15
SHAFT: Stainless steel X20Cr13. AISI 420
BUTTERFLY (1): Ductile cast iron. EN-GJS-500-7
SEAT (2): E.P.D.M.
SHAFT SEAL: PTE. DIN 16980
SCREWS: Stainless steel 6.8 Zn. EN-24017

(1): Available in Stainless steel X2CrNiMo17-13-3.
(2): Available in NBR

TEST AND EMPLOIMENT CHARACTERISTICS ACCORDING EN 12266-1
Sizes Shell strength tightness Seat tightness Working pressure
De Ø300
De Ø350 a Ø500
24 Kg/cm2
15 Kg/cm2
18 Kg/cm2
11 Kg/cm2
16 Kg/cm2
10 Kg/cm2

Enlarge
1- BODY
2- SHAFT
3- BUTTERFLY
4- SEAT
5- SHAFT SEAL
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