Technical data

Max. operating pressure 16 bar (PN 16), 25 bar (PN 25)

Diff. pressure across the restrictor 0,2 bar

Min. operating temperature - 20 °C (frost protection)

Max. operating temperature 130 °C

Type of connection Flanged (EN 1092-2)

Valve body material GG 25 (PN 16), GGG 40.3 (PN 25)

Gasket material FPM (ISO1629)

Cones, stem, seat material WN1.4057, WN1.4404, WN1.4021

Impulse tube WN1.4301

Diaphragm material EPDM

Water purity in accordance with the ÖNORM H 5195 and VDI 2035 standards.

Ethylene and propylene glycol can be mixed to a ratio of 25 - 50 vol. [%].