Vacuum Sealing Assembly for 40mm dia Tube Furnace with Valve / Vacuum Meter - FL-40

This is a pair of a smart sealing assembly for tube vacuum furnace to tighten both ends of OD 40mm ( 1.5" - 1.6 " OD) tube without any welding and gluing.

SPECIFICATIONS

Features	Made of Stainless Steel with double high-temperature silicone O-rings ( 300°C Max) on each side flange. One end of the flange has a vacuum meter with a valve, and another end has a valve and barbed fitting as default. Sealing tubes by tightening screws on the flange without any welding and glue. 1/4" diameter barbed fitting can be connected with 1/4" rubber hose, KF25 fitting is optional. Excellent for any type of tubing: ceramic, glass, quartz, and steel pipe. Optional for single side or complete side flange
Vacuum Level	10E-2 torr by a mechanical pump 10E-5 torr by a small turbopump and  10-6 torr by hi-speed turbopump
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.
Package included (the whole set)	Left side flange set with gauge and valve, right side flange set with valve, two steel sealing rings, four high-temperature silicone O-rings ( 300°C Max.) and six hex screws
Optional Parts (order separately)	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 order flange support to avoid tube turning ( pic below right)