Rubber Resealable Plugs Protect Tubing, HVAC Compressors

The RSP-SH series of rubber resealable plugs from Caplugs are designed for use during shipping and pressure testing of copper tubing and HVAC compressors.

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The RSP-SH series of rubber resealable plugs from Caplugs are designed for use during shipping and pressure testing of copper tubing and HVAC compressors. Molded from black styrene butadiene rubber, the plugs are said to reseal themselves after any nitrogen charging that may occur during shipping. They are available in several sizes to accommodate common copper tubing sizes, including 5/16-,  ¼- and 3/8-inch tubes.

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Faraday's Children (and Nickel) - The 40th William Blum Lecture

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