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Type Approved Expansion Joints
You can rely on a globally established sector specialist with all of the major international product approvals and type approvals for the marine industry.
Our products have proven their worth in the global market for 45 years. In the shipbuilding industry, its ancillary industries and offshore, steel expansion joints have been granted the standard type approvals. These products therefore fulfill the regulations of ship classification societies such as the Bureau Veritas, RMRS, ABS.
Expansion joints are vital components in most ships , from navy warships, tankers , cruisers, bulk carriers, ferries to luxury yachts.
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Applications of Type Approved Expansion Joints
These expansion joints may be used for the following services on board depending on the type:
- Fresh water, steam and condensate, compressed air, fuel oil and lubricating oil, hydraulic oil, cargo on board oil tanker and chemical tankers, thermal oil, exhaust gase systems (engine, turbine, boiler, heat generator, scrubber)
Material Specification
- Bellows: 316, 316L, 321
- Welding Ends and Flanges: 316, 316L, 321
- When other choices of materials are used per manufacturer’s recommendations, the Society agreement is to be obtained
Design Values
Type
Size
Design Pressure (bar)
Design Temperature
Connection Type
Balance I
DN 32 to
DN 1000
2,5
550°C
Weld-End
Balance IF
DN 32 to
DN 1000
2,5
550°C
Flanged
Balance II
DN 40 to
DN 500
2,5
550°C
Weld-End
Balance IIF
DN 40 to
DN 500
2,5
550°C
Flanged
Balance III
DN 100 to
DN 350
2,5
550°C
Weld-End
Balance IIIF
DN 100 to
DN 350
2,5
550°C
Flanged
Balance IV
DN 40 to
DN 300
2,5
550°C
Weld-End
Balance IVF
DN 40 to
DN 300
2,5
550°C
Flanged
Balance V
DN 40 to
DN 400
2,5
550°C
Flanged
Balance VI
DN 40 to
DN 300
16
550°C
Flanged
RF-30 Axial
DN 40 to
DN 300
16
550°C
Flanged
RF-60 Axial
DN 65 to
DN 300
16
550°C
Flanged
FF-30 Axial
DN 40 to
DN 300
16
550°C
Flanged
FF-60 Axial
DN 65 to
DN 300
16
550°C
Flanged
Balance VIII
DN 80 to
DN 1200
2,5
550°C
Flanged
Balance IX
DN 80 to
DN 1200
2,5
550°C
Flanged
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