Tube OD

O.D 50mm +/- 1.0 mm

Package included

One flange with gauge and valve, one flange with valve, two steel sealing rings, four high-temperature sealing O-rings and six screws

Vacuum Level

· 10E-2 torr by a mechanical pump

· 10E-5 torr by a small turbopump

· 10-6 torr by hi-speed turbopump

Features

One end of the flange has a barbed needle valve,1/4" feedthrough (the nut is with M15*1.5 thread) for thermocouple inserted and 1/8 NPS valve with installed  Mechanical Pressure Gauge. (if you need  Compact Digital Vacuum Gauge, please choose from product option at extra cost. If you don't need vacuum gauge, please instruct us when you order, we can take it off, but no price deduction )  

Another end of the flange has a KF25 port with a barbed needle valve. You may need KFD25 angle valve before connecting the vacuum port to the vacuum pump. Please choose the KF25 angle valve at related product below.

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.

Excellent for any type of tubing: ceramic, glass, quartz and steel pipe.

Optional Parts

For CVD application, please choose anti-corrosive vacuum gauge

You can choose the various end of Fitting as options

Warning

· Must put a refractory tube block in front of the flange 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, we do not recommend or endorse the use of any toxic, flammable or corrosive gases with our flange assemblies. Please contact us with any concerns.