AZV 643 3-way zone valve DN20, Kvs=8, external thread G 1 inch

aZV 643 3-way zone valve - DN 20, G 1", Kvs 8 m³/h

AZV 643 valve is a 3-way diverter valve, used in heating, cooling and hot water systems. The device works in conjunction with an electric actuator controlled by a 2-point signal (ON/OFF). The switching time of the valve is about 8 seconds.

Application

• Switching the flow between two parts of the system
• Central heating, air conditioning and DHW systems
• Installation automation with thermostats or 2-point controllers
• Installation retrofits requiring a simple switching valve

Technical data

Advantages and features

• Simple switching valve - reliable design
• Fast operation time (~8 seconds) - efficient regulation
• Compatibility with 2-point automation
• High versatility in central heating, DHW and air conditioning applications
• Standard G 1″ threaded connection - easy integration into the installation

Installation and operation tips

• Mount the valve in a location that allows easy access to the actuator
• Before commissioning, bleed the installation and check for leaks
• Set the valve's limit stops (0-10 or 10-0), if available
• Avoid operating in conditions outside the permissible parameters (pressure, temperature)
• Regularly check the operation of the valve and the condition of the connections over a long period of operation