ART 22
This fixed orifice double regulating valve is a precision manufactured product and should be
handled, installed and used with care as detailed in these instructions.
ART 22 balancing valves are suitable for both heating (LPHW) and cooling
applications at working pressures up to 25 bar.
Operating Pressure and Temperature
DZR Fixed Orifice Double Regulating Valve
Limits of Use
The valve is rated PN 25 and must be installed in a piping system where the normal
pressure and temperature does not exceed the above ratings.
The upper temperature is restricted to 120°C due to the elastomeric seals in the test points.
Layout and Siting
It should be considered at the design stage where valves will be located to
give access for operation, regulation and setting to the required position.
V1
