• 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.

• 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)
    
    

• 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.

 ( click pic to choose)