The valves in the ZTV/ZTR series are used for control of hot and cold water in climate, heating and ventilation systems. The control valves in the ZTV/ZTR series are available in 2- and 3-way versions. Body in brass, spindle in stainless steel. Plug in brass and O-ring in EPDM. The valves have equal percentage flow characteristics.

• For water and refrigerants (max. 30 % glycol)
• Media temperature 1...110°C
• Pressure class PN16
• Rangeability better than 50:1
• Differential pressure up to 350 kPa
• No leakage when the valve is closed.