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Danfoss KVC Hot Gas Bypass Regulator
The Danfoss KVC Hot Gas Bypass Regulator is a pressure-regulating valve designed for refrigeration and air-conditioning systems where controlled hot gas bypass is required. The KVC regulator helps maintain stable suction pressure by regulating the flow of hot gas into the low-pressure side of the system, making it suitable for applications requiring reliable capacity control and protection against excessively low evaporating pressure.
The Danfoss KVC series is available in different valve sizes and connection configurations, including flare and solder/ODF connections, allowing selection according to the piping requirements of the refrigeration system.
The KVC regulator features a 0.2–6 bar regulation range and a maximum working pressure of 28 bar, with different capacities available depending on valve size and refrigerant. Danfoss documentation lists KVC models for applications using refrigerants including R22, R134a, R404A/R507 and R407C.
Key Features
- Genuine Danfoss KVC Hot Gas Bypass Regulator
- Designed for refrigeration and air-conditioning applications
- Helps regulate and maintain suction pressure
- Suitable for hot gas bypass capacity control
- Available in KVC12, KVC15 and KVC22 sizes
- Available with flare or solder/ODF connections
- Regulation range: 0.2–6 bar
- Maximum working pressure: 28 bar
- Suitable for a wide range of commonly used refrigerants, subject to the specific model and application
- Compact design for convenient installation in refrigeration piping systems
Available Models
| Model | Part Number | Size | Connection |
| KVC12 | 034L-0141 | 1/2" | Flare |
| KVC12 | 034L-0143 | 1/2" | Solder |
| KVC15 | 034L-0142 | 5/8" | Flare |
| KVC15 | 034L-0147 / 034L-1047 | 5/8" | Solder |
| KVC22 | 034L-0144 | 7/8" | Solder |
Danfoss's official technical leaflet confirms the KVC12, KVC15 and KVC22 ordering configurations and corresponding code numbers.
Typical Applications
The Danfoss KVC Hot Gas Bypass Regulator can be used in refrigeration and air-conditioning systems where hot gas bypass regulation is required, including systems that need improved control during reduced-load or low-capacity operating conditions.
The correct KVC valve should be selected according to the refrigerant, required capacity, suction temperature, condensing temperature, pressure offset and connection size. Danfoss recommends capacity-based selection using its sizing tools and technical documentation.
Why Choose Danfoss KVC?
With its established design for refrigeration pressure regulation, the Danfoss KVC Hot Gas Bypass Regulator provides a practical solution for maintaining stable operating conditions in refrigeration systems. Its range of sizes and connection types makes it suitable for various commercial refrigeration and air-conditioning applications.
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