Technical Specifications
Operating range:
Diameter: Up to 4,250 mm (170”)
Process temperature: Up to 900 °C (1,650 °F)
Pressure: Up to 80 bar (1,200 PSI)
Standards and approvals:
- B31.3 process piping
- ASME Section VIII, Division 1, R (repair, unfired) pressure vessel certificate.
- European Pressure Equipment Directive (PED) 97/23/CE
- Expansion Joint Manufacturers Association (EJMA)
- ISO 9001:2008
Recommended applications:
- Petrochemical industry
- Refining technology
- Any application in any industry where an existing expansion joint is to be repaired without cutting or opening the pipe.
Notes:
Quality control and testing options:
- Full x-ray of bellows longitudinal seam weld before formation of convolutions.
- Full dye penetrant test of bellows longitudinal seam weld inside and outside before and after forming of convolutions.
- 100 % dye penetrant test of bellows attachment welds (if applicable). This would be done prior to the expansion joint being split into segments.
- Impact testing of weld ends
- Hardness test
- Positive Material Identification
Service:
- Expert clamshell bellows welders available to perform these highly-specialized welds.
- All field welds can be 100 % dye penetrant tested.
- Welding teams able to work at height and in confined spaces, provided safety requirements are met.
- Experienced supervision by our field service personnel available for overall expansion joint repair guidance.