This is a pair of smart sealing assembly (Flange Lip I.D. 130 mm) for sealing various processing tubes of vacuum tube furnace without any welding and gluing. SPECIFICATIONS Package included One flange with gauge and valve, one flange with valve, two steel sealing rings, four high-temperature silicone O-rings ( 300°C Max. and six screws). Vacuum Level 10E-2 torr by a mechanical pump 10E-5 torr by a small turbopump and 10-6 torr by hi-speed turbopump Features Made of Stainless Steel with double high-temperature silicon O-rings on each flange. One end has a vacuum gauge, needle valve with barb fitting and 1/4'' feedthrough, the other end has a KF25 port and needle valve with barb fitting. Seal tube by tightening screws on the flange without any welding and glue. 1/4" rubber hose can be fitted to 1/4" hose connectors at both ends. Designed for MTI GSL1600-100X and GSL1700-100X tube furnaces. Excellent for any type of tubing: ceramic, glass, quartz and steel pipe. The assembly kit will seal 127 mm diameter (5" Dia OD) ceramic and quartz tube. Optional Parts Please click here to order digital vacuum gauge for precision vacuum control up to 10-4 torr For CVD application, please choose anti-corrosive vacuum gauge ( click pic below left 2 ) You can choose the various end of fitting as options ( click here to order separately ) You may click here order a flowmeter to control gas flowing Warning Must put a refractory tube block in front of the flange (see picture below) to avoid heat radiation melt silicone O-ring. You may order a ceramic block in related products. 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. Optionals Click here to choose flange for tube from 1" to 11" Vacuum Pump & High Vacuum Station
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