GB and GH Series Needle Valve

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This manual provides instructions for installing, operating, and maintaining GB and GH Series Needle Valves for small-diameter piping systems. Make sure the piping line is contaminant-free and that your environment is suitable for the installation process before you begin. You will need a wrench to connect the Hy-Lok Tube Fitting and a welder for the Socket Weld End. Before attempting maintenance, ensure the valve line is turned off, depressurized, and drained of fluids.

What's Inside

Installation
- Installation Preparation
- Connection of Taper Thread
- Connection of Hy-Lok Tube Fitting
- Connection of Socket Weld End
Operating
Maintenance
Removal

Key Highlights

After reviewing this manual, you will be able to:

Correctly install the GB and GH Series Needle Valve by connecting the taper thread, Hy-Lok tube fitting, and the socket weld end
Safely open and close the valve during operation
Replace and reinstall valve parts with an in-depth knowledge of how the Needle Valve is arranged
Perform maintenance tasks and clean the valve