Vacuum Sealing Assembly for Single End 50mm dia. with Vacuum Valves - HFR-50

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This is a smart sealing assembly for single end 50mm O.D. tube.SPECIFICATIONS Package included One flange with needle valve, one steel sealing rings, two high-temperature silicone O-rings ( 250ºC Max.) and three screws. Flange Assembling Vacuum Level 10E-5 torr by molecular pump and 10E-2 torr by mechanical pump Features Made of Stainless Steel with double high-temperature silicon O-rings. The end has a vacuum meter with valve. Seal tube by tightening screws on the flange without any welding or gluing. 1/4" hose connector at the end. Excellent for any type of tubing: ceramic, glass, quartz and steel pipe. The assembly kit will seal 50-52mm diameter ceramic and quartz tube. Warning Must put a refractory tube block into the tube( see picture below ) to avoid heat radiation melt silicone O-ring. Please 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. Optional Click here to choose flange for tube from 42mm to 11" Vacuum Pump & High Vacuum Station Show more