BUTTERFLY VALVE | DKZ 103

Butterfly Valve DKZ 103

Series 103 is a tight-seal interposed flange Valve for flanges as per DIN EN 1092. The Valves are absolutely air-tight in line with DIN EN 12266 Leak Rate A. The housing is one-piece, the sealing sleeve is loose, glued or vulcanised. The ShutOff Valve is suitable for solid, liquid and gaseous media and the temperature range is from – 40 to + 200°C. This series is also available as a throttle Valve (metal seal closure) for hot gases with a temperature over 200°C.

FEATURES

maintenance-free design
argely self-supporting housing
centrally-positioned valve disk designed to promote a good flow,
with special shaft connection, giving an absolute seal in both directions of flow
seals with lateral overlap and an additional sealing rim give a
perfect seal between the flanges without any extra flange seals
Also available in Ex version for the application in zone 0/20 incl. EC-type examination
The shaft end and the armature head are designed to fit to a wide range of drives.
Interfaces as per DIN EN ISO 5211

MATERIALS

Housing
Silumin (Aluminium), stainless steel
Valve Disk
Steel, stainless steel, laminated, ground and polished
Sleeve
NBR, Hypalone, EPDM, FPM, Silicone, amongst others
Shafts
stainless steel 1.4571 + 1.4057 + 1.4542
Bearing bush
MS, PTFE, bronze, peek
O-Rings
NBR, FPM

CONSTRUCTION

1. Body
2. Valve Disc
3. Seat
4. Shaft
5. Retaining ring
6. O-Rings
7. Connection flange
8. Bearing pin
9. Seal
9a. O-Ring
10. Plug screw
10a. End plate