
HERZ Pressure Reducing Valve – Ductile Iron (HVPRVF Series)
Heavy-duty flanged pressure reducing valve for precise downstream pressure control.
The HERZ Calis TS RD from HERZ Armaturen is a thermostatically operated 3-way valve designed for precise temperature regulation in small-scale heating and cooling applications. Its brass body, stainless-steel spindle, and EPDM seals ensure long-term performance. The valve integrates easily with HERZ thermostatic heads, electronic controllers, or thermal drives, providing reliable automatic operation. It is ideal for radiator control, mixing circuits, and single-pipe heating systems.

Heavy-duty flanged pressure reducing valve for precise downstream pressure control.

Automatic DZR brass air vent for bleeding air from heating and cooling systems.

Compact brass thermostatic 3-way valve for automatic temperature control