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This is a Non Return Valve, used when the system is being cleaned, preventing dust from returning to certain area’s of the pipe run.
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Used in an environment where there are constant temperature changes, which causes condensation in the system, typically in a chill store or a room that is open to the atmosphere, the water collects in the bottom of the clear plastic tube, which can be drained at will. For potential larger water volumes the condensation trap should be used.
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Single union inline ball valve. Allows you to block out various sections of the installation for testing or cleaning.
