15mm 2 Port Zone Valve
The 15mm 2 port zone valve is compact in design, with a valve body diameter of only 15mm, suitable for installation in environments with limited space, providing flexible layout options. This zone valve is operated by electric or manual control, with sensitive response and fast closing and opening speed, ensuring the stability and reliability of system operation. It has a wide range of applications, covering HVAC systems, water treatment equipment and other scenarios in residential and commercial buildings. It is easy to install, has low maintenance costs, can effectively regulate water or air flow over a large range, and improve the energy efficiency of the system. It is an ideal choice for modern energy-saving buildings and smart homes.

●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. | |||||||||
Main applications
Heating system: used to adjust the flow of hot water in the heating pipes to ensure temperature control in each room or area.
Floor heating system: control the hot water supply in different heating areas to ensure the efficiency of the floor heating system.
Air conditioning system: adjust the flow of cooling water or cooling air flow to optimize the air conditioning effect.
Other uses: can also be used in water treatment equipment, fire sprinkler systems, industrial pipelines and other occasions.
FAQ
1.Will the valve get stuck if there are solid impurities in the pipeline?
Small particles can cause the valve to get stuck, so it is recommended to install a filter in front of the valve to prevent clogging.
2.Is the 15mm 2 port zone valve suitable for corrosive fluids?
If the fluid is corrosive, it is recommended to choose a stainless steel valve and use a specific corrosion-resistant seal, such as PTFE.
3.How can I ensure that the valve does not get stuck when not in use for a long time?
Regularly switching the valve can prevent sticking, or choose an electric actuator with an anti-sticking function.
4.Is this valve stable in a vibrating environment?
High-quality 15mm 2-port area valves can work stably in a vibrating environment, but it is recommended to install a shock absorber to increase the life of the system.
5.How can I tell if the valve needs to replace the seal?
If the valve still leaks when it is closed, it may be that the seal is worn and needs to be replaced in time to maintain good performance.
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