Double Sphere Rubber Expansion Joint with Union
Table of Materials
Serial No. |
Portion | Material |
1 |
Main body |
Polarized rubber |
2 | Lining | Nylon cord fabric |
3 | Frame | Hard steel wire |
4 | Union | Forgeable cast iron |
Techmical Consition
Parameter | 3/4″ — 3″ |
Working pressure (MPa) | 1.0 |
Bursting Pressure (MPa | 3.0 |
Vacuity (mmHg) | 400 |
Table of Nominal Core Diameter of Pige,Axial displacement,and Lateral Displacement
Nominal core dia.DN | L Value (mm) |
Axial displacement (mm) | Lateral displacement | |||
(mm) | (in.) | Stretch(mm) | Compression | |||
15 | 1/2 | 200 | 6 | 22 | 45 | |
20 | 3/4 | 200 | 6 | 22 | 45 | |
25 | 1 | 200 | 6 | 22 | 45 | |
32 | 1 1/4 | 200 | 6 | 22 | 45 | |
40 | 1 1/2 | 200 | 6 | 22 | 45 | |
50 | 2 | 200 | 6 | 22 | 38 | |
65 | 2 1/2 | 200 | 240 | 6 | 22 | 38 |
80 | 3 | 200 | 240 | 6 | 22 | 38 |
Schematic Diagram of Displacement and Deflection of Floating Flange Rubber Expansion Joints
Axial compression
|
Axial stretch
|
Angle of deflection
|
Lateral displacement
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