May 29, 2018

FCCU Expansion Joints for South American Refinery

A Single Hinged FCCU Expansion Joints has been designed, manufactured, tested and delivered for a large refinery in South America.

The Expansion Joint, as per KBR specifications, incorporates 2 ply testable & packed Bellows in Alloy Inconel 625 LCF ASTM B443, internal and external insulation and sealing anchors and sealing rope.
Medium: Catalyst
Medium temperature: 760 °C
Bellows temperature: 400 °C
Design Pressure: 4.85 bar (g)
Test Pressure: 6.6 bar (g)

This unit incorporates RESCOBOND AA-22S, a chemically bonded, erosion resistant, single component refractory material.

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 if applicable.
— 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 when applicable
— Pressure & Leak Detection Test
— 100% PMI - Positive Material Identification 
— 100% Inspection of Refractory Lining
— Surface Preparation & Paint System