This is a pair of smart sealing assemblies for a tube vacuum furnace to tighten both ends of OD 3" tube without any welding and gluing.SPECIFICATIONS Three types of Package optional( choose from product option ) For both sides: A pair of flanges with 4 high-temperature silicone O-rings(300°C Max.) and 1 mechanical gauge For left side: Left side flange with 2 high-temperature silicone O-rings(300°C Max.) and 1 mechanical gauge For right side: Right side flange with 2 high-temperature silicone O-rings(300°C Max.) Features Made of Stainless Steel with double high-temperature silicon O-rings on each flange. One end flange has a vacuum meter with a valve, and another end has a valve. Seal tube by tightening screws on the flange without any welding and glue. 1/4" in diameter vacuum sealing assembly will connect with 1/4" rubber hose. Designed for MTI OTF-1200X3 3" Quartz Tube Furnace. Excellent for any type of tubing: ceramic, glass, quartz, and steel pipe. Vacuum Level 10E-2 torr by a mechanical pump 10E-5 torr by a small turbopump and 10-6 torr by hi-speed turbopump Optional Parts Please click here to order a digital vacuum gauge for vacuum control up to 10-4 torr For CVD application, please choose anti-corrosive vacuum gauge ( click picture below left 2 ) You can choose the various end of fitting as options ( click here to order separately ) You may click here to order a flowmeter to control gas flowing You may order flange support to avoid tube turning ( pic below right) Warning Must put a refractory tube block in front of the flange ( see picture below ) to avoid heat radiation melt silicone O-ring. Please click the picture below-center to order the block. Please do not over-tighten the three hex screws on the flanges to avoid overpressure incidents. The recommended torque is 35~40 inch-lbs. For liability considerations, MTI does not recommend or endorse the use of any toxic, flammable or corrosive gases with our flange assemblies. Please contact us with any concerns. Optional ( click pic to choose) other size flange Vacuum Fitting, Valve & Feedthrough Vacuum Pumps
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