Bp1/4 Vacuum Connectors
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Recent Re-Design: provides a Die-Cast rectangle which permits use of a 9/16 In. or 7/8 In. wrench, instead of pliers or vise, to grip the top when installing Quick-Connects.
BP1/4 Vacuum Connectors are designed to be longer lasting than competitive products. The brass threaded insert is made by automatic screw machine and placed in a steel die, then 1200F molten aluminum under pressure fills the die. As the hot AL cools it shrinks and provides an air tight 50 Ft. Pound grip on the knurled section of the insert.
Because BP1/4's are mode hot and not machined out of aluminum they stay flat and reusable at elevated temperatures. One company burned out the gaskets of a representative selection of available aluminum vacuum connectors at 800F. Our BP1/4's were the sole survivors, still flat and usable.