
Single seat shut-off valves are used for simple shutoff at flow path intersections within the pipe system. One seal is used on the one-part valve disk for shutting off two pipes against each other. In case of sealing failure, controlled leakage drain is not provided.

Shut-off Type N (3A approved)

Accessory shut-off Type N with T.VIS control module (3A & EHEDG approved)

Reverse acting shut-off Type U (3A & EHEDG approved)

Fractional shut-off Type N (3A approved)