butterfly valve | DKZ 110

Butterfly Valve DKZ 110

Series 110 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, and the sealing sleeve comes in two designs – replaceable or fix vulcanized. The Shut-Off 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 with permanent lubrication
largely 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
detachable seals
seals with lateral overlap and an additional sealing
rim give a perfect seal between the flanges without any extra flange seals
reasonably-priced
The shaft end and the armature head are designed
to fit to a wide range of drives. Interfaces as per DIN/ISO 5211
Also available in Ex version for the application in zone 0/20 incl. EC-type examination

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 Disk
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