With standard taper top outer and lower inner joints with sealed in lower tube extending below inner joint. Tubing extends 100mm below the joint on the 14/20 and 19/22 sizes and 200mm on the 24/40, 29/26 and 29/42 sizes. Serrated hose connection having an O.D. of 10mm at the largest serration for connection to vacuum source.

Available Ground joint:

14/20 Ground joint

19/22 Ground joint

24/40 Ground joint

29/42 Ground joint

Be Made From G3.3 Borosilicate Glass

Annealing Point ------560℃

Linear Coefficient of Expansion------ 33×10-7/℃

Softening Point------820℃