A 91” (2300 mm) bore Single Untied Expansion Joint, MWA Series with the bellows in SB-443 Alloy 625 gr.1 UNS N06625 has been designed, manufactured, tested and shipped for one of the largest Chemical Plants in the US.
MACOGA specializes in the design and manufacture high tech expansion joints for critical applications that require expert knowledge and experience.
Mechanical design, parameters and features of the expansion joint supplied are:
- Type: MWA Single Untied
- NB: 2300 mm (91”)
- Length: 1025 mm (40”)
- Design Pressure: 13,66 Barg (198.16 PSIg)
- Test Pressure: 17,76 Barg (257.6 PSIg)
- Operating temperature: 193,3 °C (380 °F)
This unit has been subjected to numerous controls and tests such Radiographic Examination, Liquid Penetrant Examination, Magnetic Particle Examination, Pressure & Leak Detection Test, PMI Positive Material, etc. and has been ASME U Stamped.
MACOGA holds the ASME U-Stamp for more than 25 years which gives us the experience and ability to manufacture and work on unfired pressure vessels very successfully.