Fixed orifice commissioning valve

The Herz fixed orifice commissioning valve is available in sizes from 0.5 to 12 (DN15 to DN 50). A low- and medium-flow version is available. The valve forms part of the companys range of circuit balancing valves. The valve has an integral orifice in its casting. It has BSP female threaded ends to BS21 and is manufactured to BS 7350. It also has