This is a nickel-plated brass globe valve from a high-end Chinese supplier, specifically designed for HVAC systems. It uses a hidden doubly internal thread mating, which makes it more convenient to install, occupies a small space and ensures the integrity of the beauty. The brass material itself has good corrosion resistance, plus nickel plating treatment further enhances this feature, in the complex HVAC conditions for a long time in a stable state to run, in HVAC engineering is an effective tool.
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