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Vacuum Flange Insert

It is both a centering ring and a check valve.

Check All

Check-All Valve Mfg. Co. (West Des Moines, IA) introduces its Vacuum Flange Insert (VI) check valve for rough to high vacuum systems, systems requiring frequent cleaning or modification, roughing and foreline plumbing, and research and teaching lab applications, among others. The VI is designed to fit between ISO/NW/KF/QF vacuum flanges designed in accordance with DIN 28403, DIN 28404, ISO 1609 and ISO 2861. It is both a centering ring and a check valve; therefore, requiring no additional space in the line. Its size makes it extremely economical when compared to full-bodied check valves., 515-224-2301

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