Wednesday, August 13, 2014

[Excel File] A Guide of Refinery Process

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This excel file (A Guide of Refinery Process) is indeed a great resource for learning basics of the whole refining process from crude oil to processed product like Gasoline or Diesel. I am sharing this to all readers for educational purpose. Please do share the link of this article with you friends and colleagues, so that they may also benefit from it. Download it and then view it as it's an interlinked file and cannot be viewed properly online.

 at One drive

Alternate: A Guide of Refinery Process.xls

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Tuesday, July 8, 2014

Pressure Relief Valve Piping Design

Block valves are usually provided upstream (and downstream if discharging into a closed system) of pressure relief valves where necessary to permit on stream isolation and maintenance of the PR devices without interrupting process unit operations.

Where block valves are used, the installation should conform to the requirements of Section VIII of the ASME Boiler and Pressure Vessel Code when protecting an unfired pressure vessel. These valves are typically installed so that they are car sealed open (CSO). Mechanical interlocks or key systems are usually required for spared PR valve installations to help ensure continuous safety protection of the system.

Monday, July 7, 2014

Sequence of Distillation Column Piping Study

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The designer now starts thinking about the proper orientation of nozzles and provisions for access to the points of operation and maintenance.

Considerations of the pipeline leaving the tower area and the adjacent piping shall be visualised.

The first step is to orient the manholes preferably all in same directions. Normally, manholes shall be oriented towards dropout area within a 30° segment of column as this facilitates the lowering of tower internals to the main access way. The manhole segment of platform should not be occupied by any piperack.

Tuesday, July 1, 2014

Information Required for Distillation Piping

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The basic layout and general engineering specifications describe:

  • The minimum access, walkways, platforms width and headroom requirements.
  • Handling facilities for tower internals, manhole covers, line blinds, relief valves. 
  • Maximum rise of ladders.
  • Pipe-system requirements, such as open or closed relieving systems.
  • Minimum line-size and required hose-stations. 
  • Access to valves and instruments. 

Monday, June 23, 2014

Basics of Distillation Column Piping

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The Distillation is a Process of separation of constituents of a Liquid Mixture & separate Recovery of Vapour Residue.

Basics of Distillation Column
Basics of Distillation Column
Various Kinds of devices Called Plates or Trays are used to bring the two phases in intimate contact. The trays are stacked one above other & enclosed in a Cylindrical Shell To Form An Equipment what we call as
'Distillation Column'.

Monday, June 16, 2014

Basics of Piping Calculations

The piping system of this tannery waste water treatment plant used stainless steel, austhenitic 18Cr, 8Ni type of tube as its material of construction. This type of material has a maximum allowable stress of 75,000 psi. The pressure inside the tube of waste water experiences 100psi. The assumed pressure is 100 psi. To get the schedule number of the said tube,

Since the calculated value of schedule number is less than forty, then schedule 40 type of tube will be used.

Tuesday, June 10, 2014

Pump and Pump Piping Presentation

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Pump and Pump Piping Presentation


-     Introduction to Pumps
-       Classification of Pump
-       Industry Codes & Standards
-       Selection Criteria for Pumps
-       NPSH & Cavitation
-       Definitions

Monday, June 9, 2014

Flange Specification and Identification, Surface Finish & Distortion


Flange Specification and Identification


A flange is specified by the following information:

a) Type and Facing: i.e. whether the flange is for example “Weld Neck, RTJ” or “Socket Weld, RF”.

b) Nominal Pipe Size: required for all flanges, usually in inches. 

c) Flange Pressure Class: required for all flanges, e.g. Class 150, 300, 900, 1500, 2500 etc.

d) Standard: i.e. ANSI B16.5, BS 1560, API 6A, API 605 or ASME B16.47.

Sunday, June 1, 2014

How to do Pump Piping with Layout Explained



To provide the layout designer guidelines for developing pump piping designs that fully consider safety, operation, maintenance and economics.


All or part of this guide may be superseded by client mandatory standards or by the codes and regulations imposed by governmental jurisdictions covering the location where the piping is installed.



Proper consideration for personnel safety around pumps requires piping and valve arrangements that do not obstruct access for operation, maintenance or egress. Care must be exercised not to create tripping hazards with auxiliary piping.


Pumps normally require minimal attention during operation. Valves however, must be located for easy access; this is particularly true for paired or spared pumps. Where manual valves cannot be operated from grade, chain operators shall be used. If chain operators are not allowed per client specifications, platform access to valves shall be considered.

Thursday, May 22, 2014

Urgent Design Engineer Openings in Chicago, USA (Indians can Apply)

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One of my friend emailed me these job descriptions and he requires resumes for following positions on urgent basis at Chicago, USA. For this job, it's not mandatory for you to be a USA resident. He is basically working as a project engineer there and if you have got similar profile, i can get your resume through. Getting a work experience from USA can add 7 stars to your career. Here are the openings detail:

Preference would be given who can join us immediate or with a short notice. Please circulate this opportunities in your friends circle. We do have some of our USA requirements experience in Autodesk – Inventor – Sheetmetal, Weldments, assembly & detailing modules areas. If anyone is having B1 & H1B VISA, feel free to share their profiles or contact me directly to know more about it.

Job title: Design Support  Engineer

Domain: Rubber Tyred Gantry (RTG) Cranes Manufacturing

Qualification: Mechanical Engineering Degree

Years of experience: 3+

Expected profile of the candidate:

·         Good knowledge in sheetmetal designing.

·          2 years (Min.) of hands on experience in Autodesk – Inventor – Sheetmetal, Weldments, assembly & detailing modules.

·         Good Knowledge in PLM/PDM – Vault.

·         Good knowledge in heavy fabrication industry.

·         Good knowledge in welding processes.

·         Sound Knowledge in GD&T

·         Good knowledge in Tolerance stack-up  analysis

·         Good communication skill

·         Good knowledge in MS-Office

·         QMS - ISO awareness

·         Good experience in offshoring (India), project coordination, & risk mitigation.

Location: Chicago
Duration: 1-2 years

Another opening

Job DescriptionPlant Design Engineer
Exp. level4 to 8 years
Qualification: BE - Mechanical (4+ years exp)
Work Profile
aMust have
Ability to read Mechanical and Piping drawings
Ability to create interpret and create drawings using Autocad 2013
Ability to create parametric models and assemblies using Inventor or Autodesk
Plant design suite
Ability to prepare skids and piping drawings
Ability to Interpret and develop P&ID
Ability to carryout mechanical design hand calculations
Ability to apply QC tools in design
Ability to handle project communications both Internal and
external (interaction with overseas customers)
Industry exposure at least 2 years in a mechanical industry
preferably in a project management consultancy
bSoftware Exposure:- Hands on exposure with any one of these packages.
Multiple software exposure is an added advantange
Auto Cad 2013- High level of competency in 2d drawing preparations
Plant design software
Office tools such as Excel, Word and Power Point
cData management :- Hands on exposure on one of the following:-
Team center
Additonal requirementsAdditional Exposure weightages:
Pipe support calculations
Silo Calculations
Structural member detailing
Structural support calculations
Preparation of drawings for chutes and ducts

For applying for above positions, please send your resume to

If you have got some openings to share with our readers, please email me details of that too.


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