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1 Inch 3 Way Zone Valve

1 Inch 3 Way Zone Valve

1 inch 3 way zone valve is an important control device in HVAC systems and is commonly used in residential and commercial heating systems. Its main function is to distribute or switch water flow between different pipes and accurately adjust the direction of liquid flow to achieve efficient temperature control.
1 inch 3 way zone valve

 

This 1 inch 3 way zone valve is usually made of durable brass or copper, with good corrosion resistance and high temperature resistance, ensuring stable performance during long-term use. Due to its flexible control function and solid structural design, the reliability of 3 way zone valve in system operation has been widely recognized.

 

IMG9692 2143

 

Product parameters

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

 

Technical Parameters

 

Ordering model Product model Valve type Diameter Thread size Kv value Maximum closing pressure difference
kPa
Dimensions
L W H
12000 DDF-X-215*DFQ-XA1-220 2 port 15 G12 2.2 250 81 21 19
12001 DDF-X-220*DFQ-XA1-220 2 port 20 G3/4 2.6 250 81 21 19
12003 DDF-X-225*DFQ-XA1-220 2 port 25 G1 3.2 250 88 25 23
12008 DDF-X-315*DFQ-XA1-220 3 port 15 G12 2.2 250 81 35 19
12009 DDF-X-320*DFQ-XA1-220 3 port 20 G3/4 2.6 250 81 35 19
12010 DDF-X-325*DFQ-XA1-220 3 port 25 G1 3.2 250 92 42 23
Note: The above table is the commonly used recommended models, please consult for details.

 

 

 

Difference between 2-port valve and 3-port valve

 

 

The two-way valve is mainly used to control the on-off of the fluid, and has only two ports, one inlet and one outlet. When the valve is open, the fluid flows from the inlet to the outlet; when the valve is closed, the fluid is blocked. The three-way valve has three ports, usually including one inlet and two outlets, or two inlets and one outlet. It can realize the functions of fluid diversion, confluence or flow direction switching, and has more control options and flexibility than the two-way valve.

DDF-X2
DDF-X3

 

In application scenarios, two-way valves are often used for simple fluid on-off control, such as in the opening or closing operation of a single pipeline. The three-way valve is suitable for occasions where the fluid flow direction needs to be changed or different fluid paths need to be switched, such as switching different circuits in the heating system, or mixing or diverting different materials in industrial production. The two-way valve has a relatively simple structure and is relatively straightforward to operate; the three-way valve has a slightly more complex structure and requires accurate operation and adjustment according to specific control requirements.

 

FAQ

 

1. Can the three-way zone valve achieve two-way control of heating and cooling at the same time?
Heating and cooling cannot be performed at the same time, but the valve can switch the water flow direction to achieve switching between heating or cooling systems.

 

2. What is the difference between the "mixing" and "diversion" modes in the valve?
In the "mixing" mode, the two fluid channels are mixed into the third channel; in the "diversion" mode, the fluid of one fluid channel is distributed to two different channels.

 

3. How to determine the direction of the three-way zone valve?
Usually the inlet and outlet directions of the water flow are marked on the valve to ensure that the supply and return pipes are connected correctly to avoid system failure.

 

4. Can this valve be used in geothermal heating systems?
Yes, the 1 inch 3 way zone valve can be used in geothermal heating systems to achieve temperature control in different areas by switching different circuits.

 

5. How to determine whether the valve is in the open state?
Most electric three-way zone valves are equipped with indicators to show the switch status of the valve, or the status can be monitored through the signal output of the electric actuator.

 

 

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