VZ319C Zone Valve, 3-Way, PN16, DN15, 15mm O/D Compression, Kvs 0.6 m?/h, 5.5 mm Stroke.

VZ319C Zone Valve, 3-Way, PN16, DN15, 15mm O/D Compression, Kvs 1.0 m?/h, 5.5 mm Stroke.

VZ319C Zone Valve, 3-Way, PN16, DN15, 15mm O/D Compression, Kvs 1.6 m?/h, 5.5 mm Stroke.

VZ319C Zone Valve, 3-Way, PN16, DN15, 15mm O/D Compression, Kvs 2.0 m?/h, 5.5 mm Stroke.

VZ319C Zone Valve, 3-Way, PN16, DN20, 22mm O/D Compression, Kvs 2.5 m?/h, 5.5 mm Stroke.