Installation Guide for Danfoss WVFX 32 – WVFX 40 Pressure Operated Water Valve
Quick installation and technical guide for the Danfoss WVFX 32 – WVFX 40 pressure operated water valve. Includes pressure ratings, temperature limits, compatible refrigerants, and adjustment instructions.
Table of contents
Quick guide from the manual
This document provides installation and technical specifications for the Danfoss WVFX 32 – WVFX 40 pressure operated water valve. Ensure all system parameters, including pressure and temperature, are within the specified limits before installation.
Technical specifications
The valve is designed for specific pressure and temperature ranges:
- Refrigerant side (PS): 24 bar / 350 psig
- Water side (PS): 10 bar / 145 psig
- Temperature range (TB): -25 to 90 °C (-13 to 195 °F)
Refrigerant compatibility
The valve is compatible with a wide range of refrigerants. Approved refrigerants include: R22, R1270, R134a, R290, R404A, R407A, R407C, R407F, R448A, R449A, R450A, R452A, R507A, R513A, R600, and R600a. For a complete list of approved refrigerants and individual code numbers, visit www.products.danfoss.com.
Installation and adjustment
Follow the flow direction indicated by arrows on the valve body during installation. The valve features an adjustment knob to regulate operation. Turning the knob towards the plus (+) or minus (-) sign adjusts the valve settings according to system requirements.
Maintenance
Regular maintenance may require lubrication of internal components. Use approved lubricants such as PROBA 330 as indicated in the technical diagrams.
Official resources from the manual
Manufacturer information
Danfoss A/S
Practical help
Common problems
Verify that the flow direction matches the arrows on the valve body and adjust the setting knob as required.
Ensure internal components are properly lubricated using approved products like PROBA 330.
Before use
- Verify refrigerant compatibility with the list provided in the manual.
- Check that system pressure does not exceed 24 bar (350 psig) on the refrigerant side.
- Check that system pressure does not exceed 10 bar (145 psig) on the water side.
- Ensure operating temperature is within -25 to 90 °C (-13 to 195 °F).
- Confirm correct flow direction during installation.
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.