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Tech Center

Bioreactor Components

Replacement and Spare Parts for Stirred Bioreactors

We now offer replacement parts for Applikon® Biotechnology and Broadley-James® brands of bioreactors.

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Tech Notes

Glass Properties
All Chemglass brand glassware meets ASTM specification E438, Type 1, Class A, and is made from Kimble Kimax or Schott Duran glass. Specifications for this glass is as follows:
Maximum Short time use temperature
500°C
Annealing Point
560°C
Softening Point
815°C
Working Temperature
1270°C
Linear Coefficient of Expansion
32.5 x 10-7 / °C
Refractive Index
1.473


Round Bottom Flask Diameters
Capacity mL
Diameter mm
Capacity mL
Diameter mm
5
25
500
102
10
31
1000
130
15
35
2000
161
20
38
3000
185
25
42
5000
221
50
48
6000
236
100
60
10000
279
125
65
12000
295
200
76
22000
350
250
83
50000
457
300
87
72000
520

Standard Dimensions for Full-Length Interchangeable Taper-Ground Joints
Joint size Number Approximate Diameter at small end mm Approximate Length of Ground Zone mm Diameter at large End of Ground Zone mm
7/25 5 25 7.5
10/30 7 30 10.0
12/30 9.5 30 12.5
14/35 11 35 14.5
19/38 15 38 18.8
24/40 20 40 24.0
29/42 25 42 29.2
34/45 30 45 34.5
40/50 35 50 40.0
45/50 40 50 45.0
50/50 45 50 50.0
55/50 50 50 55.0
60/50 55 50 60.0
71/60 65 60 71.0
103/60 97 60 103.0


Standard Dimensions for Medium-Length Interchangeable Taper-Ground Joints
Joint size Number Approximate Diameter at small end mm Approximate Length of Ground Zone mm Diameter at large End of Ground Zone mm
5/12 3.8 12 5.0
7/15 6.0 15 7.5
10/18 8.2 18 10.0
12/18 10.7 18 12.5
14/20 12.5 20 14.5
19/22 16.6 22 18.8
24/25 21.5 25 24.0
29/26 26.6 26 29.2
34/28 31.7 28 34.5
40/35 36.5 35 40.0


Standard Dimensions for Short-Length Interchangeable Taper-Ground Joints
Joint size Number Approximate Diameter at small end mm Approximate Length of Ground Zone mm Diameter at large End of Ground Zone mm
7/10 6.3 10 7.0
10/10 9.0 10 10.0
14/10 13.5 10 14.5
24/12 22.8 12 24.0
29/12 28.0 12 29.2
34/12 33.3 12 34.5
40/12 38.8 12 40.0
45/12 43.8 12 45.0
50/12 48.8 12 50.0
55/12 53.8 12 55.0
60/12 58.8 12 60.0
71/15 69.5 15 71.0