Our website uses cookies to better meet your requirements. Proper configuration of browser options allows you to block or remove cookies but can also cause the site to not function properly or even at all. By continuing to use the site, with no change to your browser settings, you agree to the use of cookies.
Learn about our Privacy Policy for cookies and other similar technologies.

DR16 EVSA / EVSR

Control and shut-off buttery valves for open and closed circuits with electric quater-turn actuator for HVAC systems, sanitary and industrial plants.

Product Information

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.

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:

DR16 EVSA: Shut-off
DR16 EVSR: Control

Dimensions:

DN 50-350

Pressure class:

DN 50-125: PN 6 - PN 16 (PN 6 please state when ordering)
DN 150-200: PN 10-16
DN 250-350: PN 10

Temperature:

Max. working temperature: 110°C
Min. working temperature: -10°C
For lower and higher temperatures please contact IMI Hydronic Engineering.

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:

Flangeless wafer type PN 6-16.

Face to face:

According to EN 558-1 basic series 20.

Leakage rate:

EN 1349 – seat-leakage VI G1 (tight sealing).

Valve variants:

- Technical silicon free version.
- Special varnish, max. 80°C

The products, texts, photographs, graphics and diagrams in this document may be subject to alteration by IMI Hydronic Engineering without prior notice or reasons being given. For the most up to date information about our products and specifications, please visit www.imi-hydronic.com.

Product Articles

Animations & Films

Use our interactive animations to simulate the effects of our innovative product as it would perform in your HVAC system. See our product films and learn more about how our products can help you. Click the play button to get started!

Text for Tenders