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| Item | Description |
|---|---|
| 1 | Flange reinforcement |
| 2 | Pressure carrying layer / gas seal layer |
| 3, 4 | Insulation layer |
| 5 | Support layer |
| 6 | Mechanical reinforcement |
Fluastal
expansion joints
Features
- Multi layer design
- Compensates for movements in several directions simultaneously
- Excellent form stability
- Can be delivered as fabric only or as preassembled unit
- Custom made to fit actual working conditions
Advantages
- Highly flexible
- High chemical resistance
- High flutter resistance
- Reduced heat loss
- Low reaction forces
- Good resistance against abrasion
- Suitable for high temperature applications
Operating range
Temperature*:
-35 °C … +575 °C (-31 °F ... +1,067 °F)
Pressure:
-0.2 bar … 0.2 bar (-2.9 PSI ... 2.9 PSI)
Maximal movements:
Axial … 160 mm (6.5”)
Lateral … 80 mm (3”)
* Temperatures above 750 °C (1,382 °F) requires internal duct insulation or refractory lining.
Standards and approvals
Documentation:
- EN 10204-2.2 certificate
- Safety Data Sheets (SDS) for individual materials
Recommended applications
- Process industry
- Oil and gas industry
- Pharmaceutical industry
- Power plant technology
- Metal production and processing
-
Cement industry
-
Flue gas duct systems
- Boiler inlets and boiler outlets
- Penetration seals
- Process lines
- Stack connections
Functional description
Fluastal expansion joints safely absorb thermal expansion and misalignments in pipe and duct systems in dry and high temperature area. Flexgen products compensate for movements in multiple directions simultaneously.
Product variants
| Type | Agressivemedia | Non-aggressivemedia | Max. temperatureP-Flange | Max. temperatureV-Flange | Max. temperaturePFH-100 | Min. temperature | Max. pressure | Min. pressure | Axialflexibility | Lateralflexibility |
|---|---|---|---|---|---|---|---|---|---|---|
| SU | N/A | Dry | 250 °C(482 °F) | 250 °C(482 °F) | 400 °C(752°F) | -35 °C(-31 °F) | 0.2 bar(2.9 PSI) | -0.2 bar(-2.9 PSI) | 40 % | 20 % |
| SX | Dry | Dry | 250 °C(482 °F) | 250 °C(482 °F) | 400 °C(752 °F) | -35 °C(-31 °F) | 0.2 bar(2.9 PSI) | -0.2 bar(-2.9 PSI) | 40 % | 20 % |
| GX | Dry | Dry | 400 °C(752 °F) | 400 °C(752°F) | 500 °C(932°F) | -35 °C(-31 °F) | 0.2 bar(2.9 PSI) | -0.2 bar(-2.9 PSI) | 40 % | 15 % |
| Mx | Dry | Dry | 550 °C(1922 °F) | 450 °C(842 °F) | 575 °C(1067 °F) | -35 °C(-31 °F) | 0.14 bar(2.03 PSI) | -0.14 bar(-2.03 PSI) | 40 % | 15 % |
| KX | Dry | Dry | 750 °C(1382 °F) | N/A | 750 °C(1382 °F) | -35 °C(-31 °F) | 0.12 bar(1.74 PSI) | -0.14 bar(-2.03 PSI) | 40 % | 15 % |
| HDX | Dry | Dry | 1000 °C(1832 °F) | N/A | 1000 °C(1831 °F) | -35 °C(-31 °F) | 0.06 bar(0.87 PSI) | -0.14 bar(-2.03 PSI) | 35 % | 13 % |
Pre-assembled units
Pre-assembled expansion joint units consist of:
- Fabric expansion joint
- Metal frames/inner sleeves
- Gasket (optional)
- Fasteners
Frame material:
- Carbon steel
- Stainless steel
- Heat resistant steel
Pre-assembled expansion joint units can be supplied with surface treatment that is corrosion resistant (standard) and resistant to high temperatures. EagleBurgmann KE offers any RAL color code for the units. Units can be delivered with seaworthy packing or standard packing for road transportation.
