Can be used at high temperatures without risk of seizure. The mating surfaces of the flanges are fine ground. Nom. Min.
bore
QFG25 QFG50 QFG75
QFG100
25 50 75
100
mm length o.d. mm mm
110 110 110 110
shank shank Max.
30.8 57.0 86.8
116.0
Flange Min. o.d. mm
wall
55 85
120 150
1.8 2.2 4.4 4.0
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
thickness mm
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.