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NBR Double Sphere Rubber Expansion Joint Ansi Double Sphere Rubber Expansion Joint
Sizes
DN40~DN600
Pressure
PN6~PN40
Temperature
-15 ~ 80℃
Flange Standard
DIN, ANSI, JIS etc
Material of Flange
Stainless Steel 304, 316, 321 etc
Material of Rubber
NR, NBR, CR, EPDM, PTFE etc.
Overview
Double sphere rubber expansion joint with NBR rubber features two spherical rubber bellows interconnected by a metal flange or core. The bellows are made of high-quality NBR rubber, which is known for its excellent oil and fuel resistance, as well as its ability to withstand moderate temperatures and pressures. The metal flange or core provides structural support and ensures a secure connection to the piping system.
| DN Nominal Diameter （mm） | Axial displacement（mm） | length（mm） | Haorizontal isplacement （mm） | Angular deflection(a1+a2)° | ||
| mm | inch | elongation | compression | |||
| 40 | 1.5 | 10 | 20 | 165 | 20 | 30° |
| 50 | 2 | 10 | 20 | 165 | 20 | 30° |
| 65 | 2.5 | 10 | 20 | 175 | 20 | 30° |
| 80 | 3 | 10 | 20 | 175 | 20 | 30° |
| 100 | 4 | 15 | 30 | 225 | 25 | 30° |
| 125 | 5 | 15 | 30 | 225 | 25 | 30° |
| 150 | 6 | 15 | 30 | 225 | 25 | 30° |
| 200 | 8 | 20 | 40 | 325 | 30 | 30° |
| 250 | 10 | 20 | 40 | 325 | 30 | 30° |
| 300 | 12 | 20 | 40 | 325 | 30 | 30° |
| 350 | 14 | 20 | 40 | 325 | 30 | 30° |
| 400 | 16 | 20 | 40 | 340-400 | 30 | 30° |
| 450 | 18 | 25 | 45 | 340-400 | 30 | 30° |
| 500 | 20 | 25 | 45 | 340-400 | 30 | 30° |
| 600 | 24 | 25 | 45 | 340-400 | 30 | 30° |
