Rubber Expansion Joint Single Sphere REJ100
Single sphere rubber expansion joint with floating flange, used to absorb vibration, noise, compression, elongation, transverse deflection, and angular deflection in piping systems.
| Item | Specification |
|---|---|
| Product | Rubber Expansion Joint Single Sphere REJ100 |
| Type | Single sphere rubber expansion joint |
| Flange Type | Floating flange |
| Body Options | Molded body, PTFE liner, hand made body |
| Tie Rod Options | Welded and non-welded |
| Counter Flange Options | Plate type and weld neck type |
Material Structure Diagram
Materials
| No. | Name | Material |
|---|---|---|
| 1 | Outer/inner rubber | NR, EPDM, NBR, FKM, Neoprene etc. |
| 2 | Frame | Nylon cord fabric |
| 3 | Pressurized ring | Steel wire strand |
| 4 | Flange | Carbon steel galvanized, paint; ductile iron; stainless steel etc. |
Main Connection Dimensions
Dimensions are typed from the Runtai rubber expansion joint catalog. Size range from DN25-DN3000 is available; special size and length can be customized.
| Nominal Diameter mm | Nominal Diameter inch | Length mm | Compression mm | Extension mm | Horizontal Movement mm | Deflection Angle | Special Length mm |
|---|---|---|---|---|---|---|---|
| 32 | 1-1/4 | 95 | 9 | 6 | 9 | 15° | 130/150/200 |
| 40 | 1-1/2 | 95 | 10 | 6 | 9 | 15° | 130/150/200 |
| 50 | 2 | 105 | 10 | 7 | 10 | 15° | 130/150/200 |
| 65 | 2-1/2 | 115 | 13 | 7 | 11 | 15° | 130/150/200 |
| 80 | 3 | 135 | 15 | 8 | 12 | 15° | 130/150/200 |
| 100 | 4 | 150 | 19 | 10 | 13 | 15° | 130/200 |
| 125 | 5 | 165 | 19 | 12 | 13 | 15° | 130/150/200 |
| 150 | 6 | 180 | 20 | 12 | 14 | 15° | 130/150/200 |
| 200 | 8 | 210 | 25 | 16 | 22 | 15° | 130/150/200 |
| 250 | 10 | 230 | 25 | 16 | 22 | 15° | 130/150/200 |
| 300 | 12 | 245 | 25 | 16 | 22 | 15° | 130/150/200 |
| 350 | 14 | 255 | 25 | 16 | 22 | 15° | 130/150/200 |
| 400 | 16 | 255 | 25 | 16 | 22 | 15° | 130/150/200 |
| 450 | 18 | 255 | 25 | 16 | 22 | 15° | 200 |
| 500 | 20 | 255 | 25 | 16 | 22 | 15° | 200 |
| 600 | 24 | 260 | 25 | 16 | 22 | 15° | 300 |
| 700 | 28 | 260 | 25 | 16 | 22 | 15° | 300 |
| 800 | 32 | 260 | 25 | 16 | 22 | 15° | 300 |
| 900 | 36 | 260 | 25 | 16 | 22 | 15° | 300 |
| 1000 | 40 | 260 | 26 | 18 | 24 | 15° | 300 |
| 1200 | 48 | 260 | 26 | 18 | 24 | 15° | 300 |
Operation Conditions
| Condition | Value |
|---|---|
| Working temperature | -15~80°C (-30~150°C) |
| Working pressure | 6~40 bars (PN6~PN40) |
| Test pressure | 1.5 times of working pressure |
| Explosion pressure | 2 times of working pressure |
| Applicable media | Air, water, sewage, sea water, acid, alkali, oil etc. |
Product Details
| Product Type | Single sphere rubber expansion joint for vibration absorption and pipe movement compensation |
|---|---|
| Main Materials | Rubber body with reinforced structure and metal connection parts according to product type |
| Connection | Flange, threaded union, clamp or reducing connection according to the selected REJ model |
| Function | Absorbs vibration, reduces noise, compensates movement and helps protect connected pipework |
| Applications | Water supply, HVAC, pump connection, industrial piping and general pipeline systems |
| Ordering Note | Confirm nominal diameter, pressure, connection type, rubber material and flange/drilling standard when sending an inquiry |
