This is a pair of hinged vacuum sealing assembly with flange support for 4" vacuum tube furnace to seal both ends of OD 100-102 mm( 4") tube without any welding and gluing.

SPECIFICATIONS

Features	Seal tube by tightening screws on the flange without any welding or gluing. Excellent for any type of tubing: ceramic, glass, quartz and steel pipe. Installation requires drilling holes on the furnace casing to mount the flange support. Made of Stainless Steel (SS304) with high-temperature silicon O-rings on each flange. Delicate metal support allows for both vertical and horizontal adjustment Openable flange is designed for sample easily loading / unloading. Designed for MTI Dual Zone Split Tube Furnace with Vacuum Flanges & 4" Quartz Tube - OTF-1200X-4-II.
Descriptions	Left end comes with a hinged flange with a barbed valve, 1/4" feedthrough and pressure gauge. Mechanical Pressure Gauge is available as an alterlative of regular gauge. Right end comes with a hinged flange with a barbed valve and KF25 vacuum port. KFD25 angle valve maybe required for connecting the vacuum port to a vacuum pump.
Vacuum level	10E-2 torr by a mechanical pump 10E-5 torr by a small turbopump and  10-6 torr by hi-speed turbopump
Application Note	Place the o-ring on the notch of the hinged flange. A tube block is required behind each flange to avoid the silicone O-rings melting. In the parts diagram on the left, the dia# is 100 for this product. Tube block is available in related products below. Warning: 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.

 STANDARD PACKAGE