Danfoss QDV - SVA Valve Train Installation Guide
Summary
This comprehensive guide provides professional instructions for the installation and maintenance of QDV and SVA valve trains used in industrial refrigeration systems. Designed for HVAC technicians and industry maintenance professionals, the manual details proper assembly procedures, component replacement techniques, and essential safety warnings. It ensures safe handling when working with high-pressure refrigerants, allowing users to service these critical Danfoss control valves accurately using certified parts.
Page 1 Text Content
Instructions QDV - SVA valve train
QDV - SVA valve train
Fig. 1
QDV 15 QDV 15
Fig. 2 Fig. 3
QDV 15 QDV 15
Nm lb-feet
QDV 15
Fig. 4
Fig. 5
© Danfoss A/S (AC-AKC / frz), 03-2009 DKRCI.PI.K00.A5.02 / 520H1509 1
Page Summary Contents For Danfoss QDV - SVA Valve Train Installation Guide
Manual Details
| Brand | Danfoss |
|---|---|
| Pages | 4 |
| File Size | 719.60 KB |
| Published | June 05, 2026 |
Enter the captcha to get the download link:
Frequently Asked Questions
What is the maximum operating temperature range for the valve?
The valves are rated for a temperature range of –50/+150°C (–58/+302°F).
What precautions are necessary when opening a QDV valve for service?
Always close the stop valve before the QDV and slowly proceed with activation to prevent hydraulic pressure build-up, as this can cause danger.
How do I replace the teflon cone sealing material in a QDV 15?
Unscrew the cone screw (pos. B), remove the old cone, place the new cone on the spindle, and refill the cone screw to ensure proper fastening.