Features of Dynamic Flow Control Valve
P/T measuring ports are available for selection.
The characteristics of the valve are not affected by the size of the flow setting.
It consists of an adjustable flow dynamic balance valve, a dynamic differential pressure balance valve, and a control valve with full - stroke regulation capability, integrating three valves into one.
It can achieve 100% adjustment and balance of the water volume in the system. Meanwhile, it creates a more comfortable environment and energy - saving effects. When the system is reconstructed again, there is no need to conduct hydraulic balance testing again.
Specification: DN20 - DN50
Operating Temperature: 5 - 95°C
Pressure Rating: PN16
Working Medium: Cold and hot water, ethylene glycol solution with content ≤ 50%
Connection Method: Threaded connection
Connection Standard: GB/T 7307
Flow Characteristic: Equal percentage characteristic curve
Leakage Rate: ≤ 0.01% KVS
Flow Regulation: There are 5 gears: 1, 2, 3, 4, 5
Pressure Difference Range: 0.03 - 0.3 MPa
With Pressure Measuring Port Position and Temperature Measuring Hole
| Order Code | Model | Specification | Caliber | Connecting Thread | Dimensions (mm) |
|
Stroke | Recommended Matching Actuator | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| L | H | H1 | |||||||||
| 14136 | PHF - DDY - 20L | 2 - way valve | DN20 | G3/4 | 85 | 178 | 192 | 1.6 | 3 | DRQ - 1K | |
| 14137 | PHF - DDY - 25L | 2 - way valve | DN25 | G1 | 85 | 195 | 203 | 1.6 | 3 | DRQ - 1K | |
| 14138 | PHF - DDY - 32L | 2 - way valve | DN32 | G1 - 1/4 | 120 | 226 | 245 | 4 | 6 | DFQ - JL | |
| 14139 | PHF - DDY - X40L | 2 - way valve | DN40 | G1 - 1/2 | 140 | 265 | 240 | 14 | 20 | DFQ - S1000X | |
| 14140 | PHF - DDY - X50L | 2 - way valve | DN50 | G2 | 140 | 290 | 250 | 14 | 20 | DFQ - S1000X | |
Why Choose Us
Hengsen has a rich product line, covering valves, pipe fittings and various HVAC&R supporting components, from standard models to customized solutions, to meet the diverse application needs in the fields of heating, ventilation, air conditioning, refrigeration, etc. Relying on continuous R&D investment, the products integrate cutting-edge technology to ensure stable operation of the system and energy saving and efficiency improvement.
Based on the specific project scenarios of customers, Hengsen provides customized solutions. Whether it is a large commercial HVAC project or a small refrigeration system, the team can provide one-stop services for design, selection and technical support. At the same time, Hengsen has a professional after-sales team that responds quickly to consultations, provides timely maintenance guidance, and guarantees the supply of spare parts. After the project is delivered, it still escorts the whole process to solve the problem, so that customers have no worries.
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Q: How does this valve maintain a stable flow in the system?
A: It has an automatic adjustment function, which can adjust the opening according to the changes in system pressure, so as to continuously maintain the set flow and prevent uneven heating and cooling or hydraulic imbalance.
Q: What specific application scenarios are your products suitable for?
A: Our valves are suitable for air conditioning terminals, water circulation, floor heating and other occasions. They are often used in office buildings, hospitals, hotels and other building systems that require precise temperature control and energy-saving management.
Q: What specifications can be selected? Is customization supported?
A: We provide standard models with a variety of flow ranges and pipe diameters, and can customize the interface type, voltage specification and control method according to project requirements, and flexibly match various systems.
Q: How is your product quality and after-sales service?
A: We have a strict quality inspection process, and each device is tested. The product is guaranteed, and technical support and after-sales service are provided to ensure worry-free use.
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