electric two way valve
DQF-F series electric regulating ball valves are widely used for fluid control in central air conditioning, heating, water treatment, industrial processing and other systems. The actuator used is the DQQ-E2 series. The actuator receives the standard regulating model or three-state floating point signal and rotates the ball to the specified position.
- Working temperature: 5~95℃
- Pressure rating: PN16 or PN25 optional
- Working medium: air conditioning hot and cold water, ≤50% ethylene glycol solution
- Connection method: flange connection
- Connection standard: GB/T 17241.6
- Closing pressure difference: 400KPa
- Flow characteristics: equal percentage characteristic curve
- Leakage rate: control passage ≤0.01%Kvs
- Adjustment method: angular stroke 90°
- Valve body: ductile iron QT450-10
- Valve seat: polytetrafluoroethylene (PTFE)
- Valve ball: 304 stainless steel
- Seal ring: EPDM
Technical Parameters
| Ordering model | Product model | Valve type | Diameter | PN pressure | Kv value | Dimensions(mm) | Adapter driver | |||||||
| L | H1 | H2 | D1 | D2 | N | S*S | ||||||||
| 15702 | DOF-F-265A | 2 port | 65 | 16 | 103 | 190 | 67 | 86 | 185 | 145 | 4*∅18 | 10*10 | DQQ-E2M-15 | |
| 15703 | DOF-F-280A | 2 port | 80 | 16 | 185 | 203 | 90 | 94 | 200 | 160 | 8*∅18 | 10*10 | DQQ-E2M-15 | |
| 15704 | DOF-F-2100A | 2 port | 100 | 16 | 300 | 229 | 99 | 103 | 220 | 180 | 8*∅18 | 12*12 | DQQ-E2M-20 | |
| 15697 | DOF-F-265 | 2 port | 65 | 25 | 103 | 190 | 67 | 86 | 185 | 145 | 4*∅18 | 10*10 | DQQ-E2M-15 | |
| 15698 | DOF-F-280 | 2 port | 80 | 25 | 185 | 203 | 90 | 94 | 200 | 160 | 8*∅18 | 10*10 | DQQ-E2M-15 | |
| 15699 | DOF-F-2100 | 2 port | 100 | 25 | 300 | 229 | 99 | 103 | 220 | 180 | 8*∅18 | 12*12 | DQQ-E2M-20 | |
| Note: The above table is the commonly used recommended models, please consult for details. | ||||||||||||||
Features
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Unique conical water inlet design to achieve precise equal percentage flow control characteristics
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Simple flow channel design, not easy to clog, safer and more reliable to use
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High flow capacity, low resistance loss
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Ultra-quiet flow channel design to ensure a quiet environment
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High shut-off pressure, high pressure rating
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Equipped with manual switch and opening indicator
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Equipped with pressure sensor interface
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Equipped with temperature sensor interface M10x1
FAQ
Q: What is an electric two-way valve?
A: It is a valve that uses an electric actuator to control the flow of a fluid through a pipe. The actuator allows for precise opening or closing of the valve, which controls the fluid flow in a single direction.
Q: How does it operate?
A: It operates by receiving an electrical signal that activates the actuator, which then opens or closes the valve. The actuator adjusts the valve's position based on the required flow control, either allowing or blocking the flow of the fluid.
Q: Can it be used in industrial applications?
A: Yes, it is commonly used in industrial applications such as chemical processing, water treatment, oil & gas, and manufacturing. Its high precision and durability make it ideal for controlling the flow of various fluids in industrial systems.
Q: Is it energy-efficient?
A: Yes, it is energy-efficient. The electric actuator only consumes power during the actuation process (when the valve is being opened or closed), unlike pneumatic or hydraulic valves that require continuous energy.
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