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AGENDA - American Petroleum Institute
WebApr 2, 2012 · Patented diaphragm design assures dependable, repetitive, bubbletight sealing in VBM. For corrosive or ultra-pure liquid applications. The VBM vacuum breakers have only one moving part - the patented self-sealing diaphragm, and this provides both design simplicity and maximum operating dependability. http://www.bubbletight.com/ thomas hardtke ph gmünd
BTR82 : Round Industrial Medium Duty Bubbletight …
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