How a WVTS water pressure-regulating valve works | Working animation

This short animation shows how a WVTS valve works. The Danfoss WVTS water pressure-regulating valve is used to regulate the flow of cooling water to water-cooled condensers. The WVTS regulates the water inlet pressure as a function of the refrigerant hot gas temperature. This means that the higher the condensing temperature, the more cooling water runs to the condenser, balancing the water flow and refrigerant condensing temperature.

The WVTS is available in a wide range of capacities from kV 12.5 [m3/h] up to 125 [m3/h] and also works with a wide range of refrigerants.

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The animation demonstrates the process in eight steps:
1. Bulb pressure increases (Pb)
2. Pilot cone spindle moves down and the valve opens
3. Liquid escapes through the pilot valve port. P2 decreases
4. Servo piston opens
5. Fluid flows through the main port
6. Bulb pressure decreases (Pb)
7. Pilot cone spindle moves up
8. The pilot port is closed and the flow stops

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Danfoss Cooling is a worldwide manufacturer with a leading position in industrial, commercial and supermarket refrigeration as well as air conditioning and climate solutions. We focus on our core business of delivering quality solutions that enhance performance and reduce total life cycle costs-the key to major savings. We offer a single source for one of the widest ranges of innovative refrigeration and air conditioning components and systems in the world. And, we back technical solutions with business solutions to help your company reduce costs, streamline processes and achieve your business goals. We take pride in the diversity of our markets, and we have a long tradition of serving some of the world's most demanding industries. Reliability, quality and innovation are therefore key ingredients in every product offering, improving your bottom line, too.

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