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Thermostat Zone Valve

Thermostat Zone Valve

A thermostat zone valve is a fluid control device designed for heating, ventilation and air conditioning (HVAC) systems that automatically adjusts the flow of fluid according to a preset temperature to ensure a constant temperature is maintained in a specific area.
Thermostat Zone Valve

 

The core function of the thermostat for zone valve is to monitor the ambient temperature through the built-in temperature sensor and automatically adjust the opening and closing state of the valve according to the system requirements to maintain the set temperature range. This can effectively avoid energy waste and improve the energy efficiency of the system.

 

This thermostat zone valve is commonly used in temperature control systems such as floor heating systems, radiators, central air conditioners, etc., especially suitable for occasions where the temperature of multiple zones is independently controlled. It consists of a sturdy valve body and a high-precision actuator that can withstand the flow of different media, such as water or coolant.

Product parameters

●Valve body material: forged brass
●Valve stem material: stainless steel
●Seal material: EPDM
●Working medium: cold/hot water
●Fluid temperature: 5~95℃
●Pressure: 1.6MPa
●Ambient temperature: 0~65℃ Maximum relative humidity is non-condensing
●Travel time: 11~15 seconds
●Motor torque: >800gf.cm

22mm zone valve
Technical Parameters

 

Ordering model Product model Valve type Diameter Connection method Kv value Maximum closing pressure difference
kPa
Dimensions
L W H
12613 DDF-K-H215.88*DFQ-HA1-220 2 port 15.88 welding 3 80 79 21 25
12614 DDF-K-H222.2DFQ-HA1-220 2 port 22.2 welding 3 80 89 21 25
12615 DDF-K-H228.6*DFQ-HA1-220 2 port 28.6 welding 3 60 92 21 25
Note: The above table is the commonly used recommended models, please consult for details.

 

 

DDF-K-H

Advantages

 

Quick response: Quickly respond to changes in ambient temperature to ensure comfortable indoor temperature.
Long service life: Since the valve body and seals are made of high-quality materials, the equipment has a long service life and low maintenance costs.
Strong compatibility: Adapt to various types of piping systems, good compatibility, suitable for a variety of building environments.

FAQ

 

1.How to solve the problem of scale on valves in hard water environment?
When using zone valves in hard water areas, scale accumulation can be reduced by regular cleaning or installing water softening equipment to prevent valve performance from being affected.

 

2.How quickly does the valve respond to temperature adjustment?
The response speed depends on the actuator type. Electric actuators usually complete the adjustment within a few seconds to tens of seconds. Thermoelectric actuators may be slightly slower, but can still adjust quickly.

 

3.Can the temperature setting range of the zone valve be adjusted?
Yes, the temperature setting range can usually be customized by the connected thermostat or smart system to meet the needs of different regions.

 

4.Is thermostat zone valve compatible with solar heating systems?
The valve can be used in solar heating systems to adjust the flow of hot water and optimize energy use, but it is necessary to ensure that its material can withstand system temperature changes.

 

5.How to determine whether the zone valve is faulty?
Common faults include the valve failing to respond to temperature changes, valve body leaks, actuator failure, etc., which can be detected through system abnormal alarms or manual testing of valve switches.

 

 

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