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:

  • 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

Medium: Catalyst
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

Quality Approvals

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