Control shut-off buttery valves
Control and shut-off buttery valves for open and closed circuits with electric quater-turn actuator for HVAC systems, sanitary and industrial plants.
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.
DR16 EVSA: Shut-off
DR16 EVSR: Control
DN 50-125: PN 6 - PN 16 (PN 6 please state when ordering)
DN 150-200: PN 10-16
DN 250-350: PN 10
Max. working temperature: 110°C
Min. working temperature: -10°C
For lower and higher temperatures please contact TA Hydronics.
Body: Spherioidal graphite EN-JS1030
Seat ring: EPDM
Flap: CrNi-steel 1.4581
Shaft: CrNi-steel 1.4021
Shaft sealing: EPDM
DN and PN.
Optionally from both side.
Flangeless wafer type PN 6-16.
Face to face:
According to EN 558-1 basic series 20.
EN 1349 – seat-leakage VI G1 (tight sealing).
- Technical silicon free version.
- Special varnish, max. 80°C