HERZ Double Regulating Valve Fixed Orifice DZR Stromax M Station PN25

Double Regulating Valve: Dezincification resistant brass body, Handwheel operated, a numerical indicator, inside screw non rising handwheel, Memory stop the inner spindle, integrally fixed orifice, supplied with two test points. Extended test points available 0284-11 blue, 0284-12 red End connections threaded according to ISO 7/1.

Manufactured to BS 7350 PN 20 Series B
The HERZ 4017 DZR combined regulating and measuring valve has an integral orifice incorporated into the valve casting. Available in sizes from DN15 to DN50, ½” to 2”, with BSP female threaded ends to BS21 and manufactured to BS 7350. The valve is also available in Low Flow and Medium Flow DN15 versions.

The commissioning valve has hidden regulating and locking functions with high accuracy and good repeatability.

The valve is fitted with two standard pressure test points, extended test points are available when required. A ‘Micro-set’ two-number position indicator is fitted to the adjustment handle for recording the valve position.