Vacuum Sealing Assembly for 3.5" (89mm) OD Processing Tube - FL-89

• Made of Stainless Steel with double high-temperature silicon O-rings on each flange.
• On one end the flange has a vacuum meter with valve attached, and on the other end has only valve.
• Seal tube by tightening screws on the flange without any welding and glue.
• 1/4" hose connector in the both of ends.
• 1/4" in diameter vacuum sealing assembly will connect with 1/4" rubber hose.
• Designed for MTI GSL1600-80X tube furnace.
• Excellent for any type of tubing: ceramic, glass, quartz and steel pipe.
• The assembly kit will seal 88 - 89 mm diameter of ceramic tube.

• Please click here to order digital vacuum gauge for precision vacuum control upto 10^-4 torr 
• 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 

                    

• Must put a refractory tube block in front of the flange (see picture below) to avoid heat radiation melt silicone O-ring. You 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.

                       

 ( Click pic to choose other size flanges)