Page 16 - Bellofram Design Manual

Class 1A - Standard Sizes
Cylinder Bore DC
Piston Diameter Dp
Height H
Sidewall Thickness
WSW
Effective
Pressure Area AE (in)2
Convolution C
Maximum Half Stroke SA/SB
1.00
.81
.62
C
.64
.094
.24
1.68 1.50 .75 C 1.99 .093 .38
1.75
1.53
.44
.017
2.11
.110*
.01
2.00 1.81 1.03 C 2.85 .094 .53
3.51
3.05
3.51
.025
8.44
.230*
2.87
3.75 3.43 2.25 D 10.14 .156 1.69
4.50
4.00
5.25
.034
14.18
.250
4.22
5.25 4.75 3.18 .034 19.63 .250 2.34
5.50
5.00
5.50
F
21.64
.250
4.47
6.25 5.75 5.25 F 28.27 .250 4.22
Side Wall Thickness B = approx. .015 C = approx. .017 D = approx. .024 F = approx. .035 H = approx. .045
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CLASS 1A DIAPHRAGMS