 
S-20 Double-sphere Flanged Rubber Expansion Joints
Table of Materials
|
Serial No. |
Portion |
Material |
|
1 |
Main body |
Polarized rubber |
| 2 |
Lining |
Nylon cord fabric |
| 3 |
Frame |
Hard steel wire |
| 4 |
Flange |
Mild steel |
 Techmical Consition
| Model |
DN32-DN200 |
DN250-DN500 |
| Working pressure (Mpa) |
1.6 |
1.0 |
| Bursting pressure (Mpa) |
4.8 |
3.0 |
| Vacuity (mmHg) |
500 |
400 |
| Applicable temp.(°C) |
-20~+115 |
| Applicable media |
Air.Compressed air, water, sea water, hot water, weak acid, etc. |
Table of Main Parameters of Nominal Core Diameter, Length, Displacement Value and Flange
Nominal core diameter
DN |
LengthL
(mm) |
Axial displacement
(mm) |
Lateral
displacement
(mm) |
Angle of
deflection
(a1+a2) |
| (mm) |
(in.) |
Stretch |
Compression |
| 32 |
(11/4) |
175 |
20 |
30 |
45 |
30° |
| 40 |
(11/2) |
175 |
20 |
30 |
45 |
30° |
| 50 |
2 |
175 |
20 |
30 |
45 |
30° |
| 65 |
(21/2) |
175 |
25 |
50 |
45 |
30° |
| 80 |
(3) |
175 |
25 |
50 |
45 |
30° |
| 100 |
(4) |
225 |
35 |
50 |
35 |
30° |
| 125 |
(5) |
225 |
35 |
50 |
35 |
30° |
| 150 |
(6) |
225 |
35 |
50 |
35 |
30° |
| 200 |
(8) |
325 |
35 |
50 |
30 |
30° |
| 250 |
(10) |
325 |
35 |
50 |
30 |
30° |
| 300 |
(12) |
325 |
35 |
50 |
30 |
20° |
| 350 |
(14) |
345 |
35 |
50 |
28 |
20° |
| 400 |
(16) |
345 |
35 |
50 |
28 |
20° |
| 500 |
(20) |
345 |
35 |
50 |
28 |
20° | |
