FCCU Spent Catalyst Standpipe Expansion Joint
A high-tech FCCU Spent Catalyst Standpipe Expansion Joint has been designed, manufactured, tested and delivered for a refinery in South America.
The FCC Hot Wall Design Expansion Joints (ID: 780 mm and 4000 mm long) incorporates:
538 °C Bellows
566 °C Pipe Design
Pressure: 6,99 kg/cm² (g)
Test Pressure: 10,5 kg/cm² (g)
This FCCU Expansion Joints undergo a comprehensive quality control and testing program including:
The FCC Hot Wall Design Expansion Joints (ID: 780 mm and 4000 mm long) incorporates:
- 2 ply testable & packed Bellows in ASTM B443 Inconel 625 LCF
- Pantograph system
- Internal and external Super Wool insulation
- Hexagonal Mesh in AISI 410S
- Sealing anchors and sealing rope
- Abrasion Lining Rescobond AA 22 S
538 °C Bellows
566 °C Pipe Design
Pressure: 6,99 kg/cm² (g)
Test Pressure: 10,5 kg/cm² (g)
This FCCU Expansion Joints undergo a comprehensive quality control and testing program including:
- Review Drawings
- Advanced Review of Calculations
- Check Material and welding consumables certificates
- PWHT diagram check for components made in 1 1/4 Cr. 1/2 Mo.
- Review and update WPS, PQR and WQR
- Review NDE Procedures & Operator Qualification
- 100% Visual inspection of welds.
- 100% RT- Radiographic Examination
- 100% PT - Liquid Penetrant Examination
- MT - Magnetic Particle Examination
- Hardness Testing of Welds
- Pressure & Leak Detection Test
- 100% PMI - Positive Material Identification
- 100% Inspection of Refractory Lining by API Inspector
- Surface Preparation & Paint System
