Can be used at high temperatures without risk of seizure. The mating surfaces of the flanges are fine ground.
Nom. Min. Max. Flange Min. bore shank shank o.d. wall mm length o.d. mm thickness mm mm
QFG25 QFG50 QFG75
QFG100
25 50 75
110 30.8 55 110 57.0 85 110 86.8 120
100 110 116.0 150 Clips for flat flange joints To fit joints with bore diameters as indicated. Supplied singly.
For joint bore, mm
QJC29 QJC41 QJC51
QJC50F QJC75F QJC100F
10 25 35
50 75
100
mm 1.8
2.2 4.4 4.0
Spherical Joints Spherical, ball and cup
Spherical joints are intended to give flexibility to complicated assemblies of glassware and facilitate erection of such glassware. In vacuum systems, they relieve stress which may otherwise cause leakage at joints.
Joint Min. Max. Approx. Sphe- size shank shank bore rical length o.d. mm dia. mm mm