Pressure Parts Engg. Co.

Details Of Job Executed Completion Period Name of Client
2014-2015
Maintenance of Heat Exchanger and Fin Fan coolers of Aromatics plant at RIL Jamnagar 20 Days Reliance Industries Ltd. Jamnagar
Static Equipment, Fabrication and scaffolding job in Coker Plant. Annual Rate Contract Reliance Industries Ltd. Jamnagar
Catalyst Loading/Unloading in Oxy Reactors in VCM/PVC plant at RIL Dahej 20 Days Reliance Industries Ltd. Dahej, Bharuch.
2013-2014
Breech Lock exchanger job in VGO plant at RIL Jamnagar 15 Days Reliance Industries Ltd. Jamnagar
Catalyst Loading/Unloading in Oxy Reactors in VC/PVC plant at RIL Vadodara 12 Days Reliance Industries Ltd. Jamnagar
Catalyst Replacement and IBR circuit related job for Oxy Reactors in VCM/PVC plant at RIL VMD 10 Days Reliance Industries Ltd. Jamnagar
Column/Vessel/Reactor Internal Installation work of PVC/VCM unit for RIL Dahej Project 90 Days Finetech Corporation Pvt. Ltd. Dahej
2012-2013
Maintenance & Inspection of Vessels and LPD plugging jobs of VGO 3 during Jan. 2012 Shutdown 30 Days Reliance Industries Ltd. Jamnagar
Maintenance of Heat Exchangers of Z Coker plant during 2012 shutdown 12 Days Reliance Industries Ltd. Jamnagar
2011-2012
Maintenance & Inspection of Vessels and LPD plugging jobs of VGO 4 during Oct 2011 Shutdown 20 Days Reliance Industries Ltd. Jamnagar
2010-2011
Static Equipment and Fabrication job in Coker Plant. Annual Rate Contract Reliance Industries Ltd. Jamnagar
Maintenance of Heat Exchangers in Gujarat Refinery Annual Rate Contract Indian Oil Corporation Ltd. Vadodara.
Loading Unloading of PACOL Reactor Catalyst in Reactors in LAB Plant at Gujarat Refinery Annual Rate Contract Indian Oil Corporation Ltd. Vadodara.
Loading Unloading of Catalyst and Ceramic Balls in CRU Reactors at Gujarat Refinery. 15 Days Indian Oil Corporation Ltd. Vadodara.
Major Shut Down of Heat Exchangers, Heater Pigging, Columns, Vessels, Fabrication of Structure and Piping and Misc. Job in Coker plant. During Nov. 2010 30 Days Reliance Industries Ltd. Jamnagar
Shutdown Maintenance job for Columns and Catalyst Loading/Unloading in Oxy Reactors in VC/PVC plant at RIL Dahej. 10 Days Reliance Industries Ltd. Dahej, Bharuch.
Internal installation of Columns & Reactors, Hydrotesting of Heat exchanger & Vessel & Catalyst Loading in Reactor at HGU & DHDT at IOCL GR site Complete Petron Engineering Const. Ltd. (Indian Oil Corporation Ltd.)
2009-2010
Static Equipment and Fabrication job in Coker Plant. On Going Jobs Annual Rate Contract Reliance Industries Ltd. Jamnagar
Column and Reactor Internal installation, Heat exchanger & Vessel testing and Catalyst Loading in Reactor at IOCL site Complete Petron Engineering Const. Ltd. (Indian Oil Corporation Ltd.)
Maintenance & Inspection of Vessels & Heat Exchangers of Crude-II during June 2009 Shutdown 20 Days Reliance Industries Ltd. Jamnagar
Static equipment maintenance, piping, fabrication and erection job during TEME June 2009 shutdown 5 Days Reliance Industries Ltd. Jamnagar
Miscellaneous Rigging and Static jobs at FCC plant during April 2009 emergency shutdown 13 Days Reliance Industries Ltd. Jamnagar
Buffing jobs in Coker Pigging Shutdown in April 2009 15 Days Reliance Industries Ltd. Jamnagar
2008-2009
Column and Reactor Internal installation, Heat exchanger & Vessel testing and Catalyst Loading in Reactor at IOCL site. Year Petron Engineering Const. Ltd. (Indian Oil Corporation Ltd.)
Static Equipment and Fabrication job in Coker Plant. Annual Rate Contract Reliance Industries Ltd. Jamnagar
Pigging Shutdown related job in Coker plant 35 Days Reliance Industries Ltd. Jamnagar
Heat Exchanger maintenance job during FCC May-08 slow down 7 Days Reliance Industries Ltd. Jamnagar
Maintenance job of Vessels and Condensate pot during May'08 shutdown in VCM plant 12 Days Reliance Industries Ltd. Dahej, Bharuch
Statutory IBR inspection related job during May'08 shutdown in VCM plant 12 Days Reliance Industries Ltd. Dahej, Bharuch
Catalyst Loading and Unloading for Oxy reactors in VCM plant during May'08 shutdown 12 Days Reliance Industries Ltd. Dahej, Bharuch
Removal Refixing job of MPR tube bends in LDPE plant during April'08 shutdown 4 Days Reliance Industries Ltd. Baroda.
Inside buffing of AS-1006 Column during April'08 shutdown in ACN plant. 10 Days Reliance Industries Ltd. Baroda.
Maintenance of Column during April'08 shutdown in ACN plant 10 Days Reliance Industries Ltd. Baroda.
Contract for shutdown maintenance at LAB plant 12 Days NIRMA Ltd. Savli, Baroda.
Removal Refixing job of MPR tube bends in LDPE plant during April'08 shutdown 4 Days Reliance Industries Ltd. Baroda.
2007-2008
Maintenance job Heat Exchangers in IOP plant during Sept.-Oct.'07 12 Days Reliance Industries Ltd. Dahej, Bharuch
Maintenance job of Vessels in EO-EG plant during Sept.-Oct.'07 12 Days Reliance Industries Ltd. Dahej, Bharuch
Maintenance job of Filters, Tanks in EO-EG plant during Sept.-Oct.'07 12 Days Reliance Industries Ltd. Dahej, Bharuch
Annual Rate Contract of Heat Exchanger Cleaning at Reliance Baroda Annual Rate Contract Reliance Industries Ltd. Baroda.
Heat Exchangers/Heater and Vessels maintenance ,Column Inspection and other miscellaneous maintenance job in Aromatic during Dec 07 shutdown 20 Days Reliance Industries Ltd. Jamnagar
Shut down maintenance job in VCPVC plant during Sept.'07 12 Days Reliance Industries Ltd. Baroda.
2006-2007
Overhauling, Repair & Maint. of Heat Exchangers, Coolers, Condensers and Re - Boilers in B/A at GR. Annual Rate Contract IOCL Gujarat Refinery, Baroda.
Shut Down Maint. Job - Carried out Repair and Maint. Job of Heat Exchangers, Column Towers, Heaters, Vessels, Reactors etc. 7 Days Indian Petrochemical Corp. Ltd., Baroda.
2005-2006
Shut Down Maint. Job. Carried out Repair and Maint. Job of Heat Exchangers, Column Towers, Heaters, Vessels, Reactors etc 45 Days Reliance Petroleum Ltd., Jamnagar
Shut Down Maint. Job VCM Plant at Dahej. Carried out Repair and Maint. Job of Heat Exchangers, Column Towers, Heaters, Vessels, Reactors, Dryers and Filters etc. 15 days Indian Petrochemical Corp. Ltd., Dahej, Bharuch.
Maint. Job of Hot Oil Heater and Charge Heater 7 Days Nirma Ltd., Savli.
Overhauling, Repair & Maint. of Heat Exchangers, Coolers, Condensers and Re - Boilers in B/A at GR. Annual Rate Contract IOCL Gujarat Refinery, Baroda.
Heat Exchangers and other Static job in FCC and Aromatics plant 45 Days Reliance Petroleum Ltd., Jamnagar.
2004-2005
Shut Down Maint. Job VCM Plant at Dahej. Carried out Repair and Maint. Job of Heat Exchangers, Column Towers, Heaters, Vessels, Reactors, Dryers and Filters etc. 10 Days Indian Petrochemical Corp. Ltd., Dahej, Bharuch.
Shut Down Maint. Job during VCM Plant. Carried out Repair and Maint. Jobs of Heat Exchangers,Vessels, Column Towers, Heaters, Reactors and Filters etc. 12 Days Indian Petrochemical Corp. Ltd., Baroda.
Shut Down Maint. Job of ACN Plant Carried out Repair and Maint. Jobs of Heat Exchangers, Re -Boilers, Column Towers and Reactors. 05 Days Indian Petrochemical Corp. Ltd., Baroda.
Rate Contract of maintenance of Heat Exchangers Annual Rate Contract Indian Petrochemicals Corporation Ltd. Baroda.
Rate Contract for Cleaning of Oxy/Poly reactors, Incinerator and Caustic dryer in VCPVC plant Annual Rate Contract Indian Petrochemicals Corporation Ltd. Baroda.
Mechanical Maintenance Jobs Shut Down in VCM Plant at GPC, Dahej. Carried out Repair and Maint. Job of Heat Exchangers, Column Towers, Reactors and Filters etc. 10 Days Indian Petrochemical Corp. Ltd., Dahej, Bharuch.
Shut Down Maint. Job at GCU. Carried out Repair and Maint. Job of Heat exchangers, Column Towers etc. 07 Days Indian Petrochemical Corp. Ltd., Dahej, Bharuch.
Overhauling, Repair & Maint. of Heat Exchangers, Coolers, Condensers and Re - Boilers in B/A at GR. Annual Rate Contract IOCL Gujarat Refinery, Baroda.
Shut Down Maint. Jobs at MGCC. Carried out Repair and Maint. Job of Heat Exchangers, Column Towers, Heaters and Reactors etc. 12 Days Indian Petrochemical Corp. Ltd., MGCC, Nagothane.
Work Contract for Replacement of Mixture Rotor of AF Plant. Carried out Job of Replacement of Rubber Roller, S.S Roller, Lower and Upper Bevel Gear Box etc. 02 Days Indian Petrochemical Corp. Ltd., Baroda.
Maint. Job of Heat Exchanger, Coolers and Condensers during AU - I Shut - Down. 10 Days IOCL, Gujarat Refinery, Baroda.
Contract for Shut Down Maint. Job at LAB Plant. Carried out Repair and Maint. Job of Heat Exchangers, Column Towers and Heaters etc. 07 Days Nirma Ltd., Savli.
Contract for Shut Down Maint. Job at LAB Plant. Carried out Repair and Maint. Job of Heat Exchangers, Column Towers. 07 Days Nirma Ltd., Savli.
2003-2004
Overhauling, Repair, & Maint. of Heat Exchangers, Coolers, Condensers and Re - Boilers in B/A at GR. Annual Rate Contract IOCL, Gujarat Refinery, Baroda.
Work Contract for Shut Down Maint. Job in LAB Plant. Carried out Repair and Maint. Job of Heat Exchangers, Column Towers, Heaters, and Reactors etc. 15 Days Indian Petrochemical Corp. Ltd., Baroda.
Shut Down Maint. Jobs at EO/EG Plant. Carried out Repair and Maint. Job of Heat Exchangers, Column Towers, Heaters, and Reactors etc. 7 Days Indian Petrochemical Corp. Ltd., Dahej, Bharuch
Shut Down Maint. Job of VCM Plant. Carried out Repair and Maint. Job of Heat Exchangers, Column Towers and Heaters, Reactors, Filters, Vessels, Agitators etc. 5 Days Indian Petrochemical Corp. Ltd., Dahej, Bharuch.
Maint. Cleaning, Hydrotest and IBR Inspection of Boilers. Annual Rate Contract Indian Petrochemicals Corporation Ltd. Baroda.
2002-2003
Overhauling, Repair and Maint. of Heat Exchangers, Coolers, Condensers and Re - Boilers in B/A at Gujarat Refinery. Annual Rate Contract Indian Petrochemical Corp. Ltd., Dahej, Bharuch.
Shut Down Maint. Job at GCU. Carried out Repair and Maint. Job of Heat exchangers, Column Towers etc. 07 Days Indian Petrochemical Corp. Ltd., Dahej, Bharuch.
Overhauling, Repair & Maint. of Heat Exchangers, Coolers, Condensers and Re - Boilers in B/A at GR. Annual Rate Contract IOCL Gujarat Refinery, Baroda.
Shut Down Maint. Jobs at MGCC. Carried out Repair and Maint. Job of Heat Exchangers, Column Towers, Heaters and Reactors etc. 12 Days Indian Petrochemical Corp. Ltd., MGCC, Nagothane.
1993-1999
Cleaning by Grit Blasting and Loading of Catalyst in EO Reactor of EO-EG Plant at IPCL, GPC Complex, Dahej. Under Scientific Design Inspection. 15 Days Indian Petrochemical Corp. Ltd.,Dahej, Bharuch.
Opening, Cleaning, Boxing up and Testing of Column, Drums and Heat Exchangers in VC/PVC and O&U unit of PVC Plant at Ratnagiri. 7 Days Finolex Industries Ltd., Ratnagiri. Maharastra.
Shut Down Maint. Job in LAB. Carried out Repair and Maint. Job of Heat Exchangers, Column towers and Heaters etc. 15 Days Indian Petrochemical Corp. Ltd., Baroda.
Shut Down Maintenance Jobs Catalyst Loading, Unloading in Reactor at Nirma Ltd., Under UOP Inspection. 7 Days Nirma Ltd., Savli.
Catalyst Loading, Unloading in Reformer (Tubular type Reactor) at Indian Oil Corporation Limited. 6 Days IOCL Gujarat Refinery, Baroda.
Hiring of services for Mechanical maintenance of Static, Semi Rotary & Rotary equipment installed in ONGC Hazira. 3 Years Oil & Natural Gas Commission. Hazira, Surat.




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Heat Exchangers and Finned tubes

Finned pipe and tubes are used within shell and tube type heat exchangers to enhance the heat transfer between the inside of the heat exchanger tube or pipe, and the outside. Finned pipes and tubes are commercially available in various sizes and materials. Custom finned tubes and pipes are also available.

Finned Pipe / Tube Design Considerations:

To be able to transfer heat well, the finned tube or pipe material must have adequate thermal conductivity . Heat energy transfer is increased by the effective fin area on the tube or pipe. The heat exchanger tube material will thermally expand differently at various temperatures, therefore, thermal stresses will be present along the heat exchanger. Additionally, stress will be induced by any high pressures from the applicable fluids. The tube and fin material should be galvanically compatible with all heat exchanger components and fluids for extended service periods under all operating conditions (temperatures, pressures, pH , etc.) . These requirements require careful selection of material which is : strong, thermally-conductive, and corrosion-resistant .

The fin effectiveness in transferring a given quantity of heat is defined by:

Fin efficiency = (Actual Heat Transferred) / (Heat which would be transferred in entire fin area were at base temperature)

Conditions when fins do not help:

Finned tubes / pipes in selected installation will not help thermal transfer. If the convection coeffiecint is large, as it will be with high velocity fluids or boiling liquids, the fins may produce a reduction in heat transfer. This due to the fact that the conduction resistance then represents a larger impediment to the heat flow than the convection resistance.