NPRA Presentation

2007 Reliability & Maintenance Conference

Technical Session: RMC-07-088

High Pressure Heat Exchanger Diaphragm Removal/Retrofit Using Double Tapered Pressure SealJames R. “Chezo” Cesarini, PEVice PresidentPetroSpect Management Services, Ltd.Texas City, Texas

Problem

• Bullet Points– Bullet Points

Bullet Points

Why Cracks Occur

Criticality

Solution

Initial Concerns

• What are the risks?

• What applications had used this sealing technology?

• Could we predict the performance of the seal in this application?

Proven Technology –New Application

Similar Applications

Brown Fin-tubeHairpin Turn Heat Exchanger

Flanges

Industrial Applications

Pressures up to 40,000 psi

Temperatures: -350F – 1600F

Third Party FEA Analysis

JP Kenny Comparison

Opportunity

Rita (2005)

Retrofit Process

Machine Seal Pocket with ID Mounted Tool

Seal Ring Installation Cover plate installation Stud Tensioning

Design ComparisonDesign ComparisonOpportunity Cost NotOpportunity Cost Not--WithstandingWithstanding

Project Risk Mitigation

If any unforeseen problem became evident:The exchanger could go back together with the original diaphragm plate.

Summary• Eliminated reoccurrence of cracked diaphragm

welds• Significant decrease in complexity – True KISS

Design• Significant Reduction in Turnaround Time

– Maintenance Cost Savings & Maintenance Friendly (Small tools)

– Opportunity Cost Savings• No Hot Bolting – Using Multi-jack bolt tensioners• Seal has worked flawlessly

Questions

James R. “Chezo’ Cesarini, PEVice PresidentPetroSpect Management Services, Ltd.chezo@petrospect.com409.949.9611

Erik Howard Vice President, Engineering & Sales

Taper-Lok Corporation ehoward@taper-lok.com713.393.4225

NPRA Presentation

Documents

Transcript of NPRA Presentation

2008 International Lubricants and Waxes Meeting NPRA International Lubricants and Waxes Meeting Session LW-08-106.

WORKSHOP PROCEEDINGS FROM A NORDIC WORKSHOP€¦ · 16 Arianna Minoretti NPRA/ Statens vegvesen Norway 17 Holtberget Simen Hellgren NPRA/ Statens vegvesen Norway 18 Veie Johannes

NPRA Safety Awards Celebration › forms › uploadFiles › 387710000014E.filename... · 2010-10-08 · NPRA congratulates all of this year’s award recipients. We appreciate you

National Pharmaceutical Regulatory Agency (NPRA) - Home...3.1-2 Tiada lagi keperluan menghantar sampel pra-pendaftaran ke makmal NPRA. 3.1-3 Proses kerja dan kriteria penerimaan keputusan

2007 NPRA Q&A and Technology Forum: Answer Book · 2007 NPRA Q&A and Technology Forum: Answer Book Hilton Austin Austin, Texas ... Question 2 Which type of valve ... call for PWHT

National Pharmaceutical Regulatory Agency (NPRA) - Home...NPRA.600-1/9/13( 3 ) ARAI-IAN DI BAWAH PERATURAN 29 PERATURAN - PERATURAN KAWAI-AN DADAH DAN KOSMETIK 1984 BILANGAN 12 TAHUN

Petroleum Potential Eastern NPRA

103 NPRA Annual Meeting - AET Home Technology Paper at NPRA 2005 AM-05-31.pdf · 103rd NPRA Annual Meeting San Francisco, California USA March 13-15, 2005 PAPER NO. AM-05-31 ... utilized

NPRA Publication

NPRA 2000 Cat Cracker Transcript

NEW DIRECTIVE - NPRA

NPRA Cat Cracker Transcript

1995 NPRA Q&A - Heavy Oil Processing

Nevada Public Records Act (NPRA) Overviewag.nv.gov/uploadedFiles/agnvgov/Content/Issues/Part 6-Public Recor… · General Principles of NPRA 1. Accountable government: “The Legislature

News from Norway and the NPRA

ptq...NPRA Maintenance, San Antonio closing date: 26 February Turbomachinery Symposium, Houston closing date: 28 May NPRA Q&A, Baltimore ERTC Annual Meeting Bottom of The Barrel, London

NPRA Annual Meeting 2003 Effects of Feed Quality and Product Specification Changes on Refined Product…

Cooperation and technology transfer in pavement Engineering 2012 TRB International Partnership Meeting Leif Bakløkk NPRA.

Grapevine, Texas 2005 NPRA Q&A and Technology Forum

2009 NPRA Q&A and Technology Forum€¦ · 1958 2009 Omni Fort Worth Hotel Fort Worth, Texas October 11 – 14, 2009 Fort Worth, Texas 2009 NPRA Q&A and Technology Forum