Protem BMFM-series outside clamping system prevents all inside contamination of the inside of the tube.
Such contamination would be considered hazardous or critical for high purity applications.
BMFM114 : 20mm - 114.3mm (0.78" - 4.5") OD
BMFM219 : 25.4mm - 219mm (1" - 8.622") OD