
HERZ CAST IRON DOUBLE REGULATING & COMMISSIONING VALVES
Flanged cast iron double regulating and commissioning valve for hydronic balancing in large HVAC networks
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.

Flanged cast iron double regulating and commissioning valve for hydronic balancing in large HVAC networks

Ductile iron lever-operated lug-type butterfly valve for HVAC and water applications.

Heavy-duty ductile iron gate valve with stainless-steel trim for high-pressure water systems

Compact DZR brass globe valve with non-rising spindle for HVAC and hydronic shut-off applications