HEAT EXCHANGER RETUBING PROCEDURE PDF

The procedure provides guidance for assessing the activities for replacement of tubes. This guidance is based on the requirements set forth in the project requirement, safety requirement and Quality assurance program. This includes addressing programs for the following: 1 Implementing commitments regarding the quality of the work. This procedure is one component of a complete replacement of tube work program. This and other procedures will be used, as needed, to provide assurance that replacement of tubes activities are being conducted as required by the specification and manufacturer procedures. It is a continuing activity until all tubes are replaced.

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Before you replace costly equipment, talk to one of our Heat Exchanger Specialist about our proven, cost-effective retubing and rebuilding services. A repair performed by Exchanger Services can extend the life of existing equipment 20 to 30 years, helping you avoid a major capital expense. We are fully equipped to rebuild heat exchangers regardless of size — either at our code shop or on-site at your facility. Our thermal and mechanical engineers can provide options for alternate rebuilding materials or to redesign your heat exchanger to meet new performance criteria.

We can also analyze and correct any problems or redesign the heat exchanger in order to eliminate the root cause of previous failures or design flaws which caused the heater or condenser to fail. In most cases, on-site retubing can be done in just a few weeks. Our computerized project planning and scheduling keeps you constantly apprised of project progress.

Following a thorough examination of your equipment, our engineers will provide a comprehensive report regarding the reasons for previous tube failures along with recommendations for corrective action. With the channel open and the shell removed, the tubes are cut and removed from the tube bundle. Tube supports plates, zone shrouds, tie rods and spacers are inspected, cleaned and replaced if necessary.

Tube stubs are removed from the tube sheet and tube holes are cleaned, inspected and prepared for new tube installation. The new tubes are carefully installed, with great care taken to prevent scratching, scoring, denting and bending. Tubes are positioned in the tubesheet and then mechanically or hydro expanded.

The shell is reinstalled and an air test is performed to check for tube joint leaks, with re-expansion performed as needed. Then the channel is closed and the unit is hydrotested. When applicable, a code stamp is applied as required to the vessel and it is returned to service. For the highest quality and most efficient rebuilding service available, call Exchanger Services.

Home Our gallery Terms and conditions Site map. Serving North America - Follow us:. Retubing and rebuilding of heat exchangers Before you replace costly equipment, talk to one of our Heat Exchanger Specialist about our proven, cost-effective retubing and rebuilding services. Full Engineering Support Our thermal and mechanical engineers can provide options for alternate rebuilding materials or to redesign your heat exchanger to meet new performance criteria.

Quick and Cost-Efficient In most cases, on-site retubing can be done in just a few weeks. Proven Procedures and Methods Guarantee Results Following a thorough examination of your equipment, our engineers will provide a comprehensive report regarding the reasons for previous tube failures along with recommendations for corrective action.

HARRY ZINGEL PDF

Retubing & Refurbishment Of Heat Exchanger

Before you replace costly equipment, talk to one of our Heat Exchanger Specialist about our proven, cost-effective retubing and rebuilding services. A repair performed by Exchanger Services can extend the life of existing equipment 20 to 30 years, helping you avoid a major capital expense. We are fully equipped to rebuild heat exchangers regardless of size — either at our code shop or on-site at your facility. Our thermal and mechanical engineers can provide options for alternate rebuilding materials or to redesign your heat exchanger to meet new performance criteria. We can also analyze and correct any problems or redesign the heat exchanger in order to eliminate the root cause of previous failures or design flaws which caused the heater or condenser to fail.

GEOMETRY AND MEANING WIDDOWS PDF

Shell & Tube Heat Exchangers Manufacture

These can be manufactured from a pattern, basis drawings or a survey on your site, plant or vessel. Directly replacing a shell and tube heat exchanger is often much quicker and more cost effective than going back to the original manufacturer OEM. We manufacture both main and auxiliary engine oil coolers, water coolers and steam condensers from our our works plant in Sheffield. These are all built to specification and come with third-party inspection such as Lloyds Register , or as requested.

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