Control shut-off butterfly valves
For HVAC systems, sanitary and industrial plants for control or shut-off of water and steam for open and closed circuits.
Technical description
Application:
Chilled-, hot- and industrial water, low pressure steam, water with antifreeze and anticorrosive compounds (approx. 50%): glycol, glycerine, ethyl alcohol, propylene dichloride alcohol, mono ethyl alcohol, ethyl, methyl alcohol, antidichloride fluor methane® N+L.
Function:
Control
Shut-off
Dimensions:
DN 25-200
Pressure class:
PN 6 - PN 16
Temperature:
Max. working temperature: 110°C
Min. working temperature: -10°C
For lower and higher temperatures please contact TA Hydronics.
Material:
Body: Spherioidal graphite EN-JS1030
Seat ring: EPDM
Flap: CrNi-steel 1.4581
Shaft: CrNi-steel 1.4021
Shaft sealing: EPDM
Marking:
DN and PN.
Flow direction:
Optionally from both side.
Connection type:
Fully lugged type
Face to face:
According to EN 558-1 basic series 20.
Leakage rate:
EN 1349 – seat-leakage VI G1 (tight sealing).
Valve variants:
- Special varnish, max. 80°C
- Technical silicon free version