User Manual Q&AAnswer
Apr 09, 2025 - 05:43 AM
To install the Danfoss PVG-EX Proportional Valve Group in an explosion-proof environment, please follow the installation guide provided by Danfoss. Here are the general steps:
1. Ensure that you are familiar with and comply with all relevant safety regulations and requirements for installations in potentially explosive atmospheres.
2. Only professionals and qualified persons should perform the installation and work with the valve group.
3. The PVG with a non-conductive coating must have preventive protection against electrostatic charge by an earthed metal connection.
4. Keep the moving parts of the PVG clean and free of dust at all times.
5. Connect the PVP (pump side module) and PVB (basic module) using the appropriate connection threads (type G or UN/UNF) and tighten them to the specified torque values provided in the manual.
6. Mount the PVE (Proportional Valve Electronics) according to the PVE-EX Installation Guides document, which is specific to the version of the PVE-EX you have.
7. Bleed the PVG if it is installed vertically, and bleed the PVEA if necessary due to hydraulic build-up.
8. Set the pressure using the PVP, LSA, or LSB components as instructed in the manual.
9. Install the PVM (Proportional Valve Manual) lever by screwing it completely home. Ensure that the lever has sufficient space for free movement to prevent impact with solid objects.
10. Follow any additional instructions or guidelines provided in the installation guide for your specific application.
Remember, it is essential to carefully read and follow the complete installation guide provided by Danfoss for the PVG-EX Proportional Valve Group to ensure proper installation and safe operation in an explosion-proof environment.
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