Sunday, August 31, 2014

[PPT] Basics of Pump Piping

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The Pump Should Be Located As Close As Possible To The Source Of Suction.

The Main Reason For This Is To Minimize Pressure Drop. This Keeps Line Sizes And Equipment Elevations To A Minimum Due To Support Availability.

Thursday, August 21, 2014

[PDF FILE] Introduction to Piping Engineering

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Here's a presentation on piping engineering in PDF format, now available for all. This presentation covers the basics points of piping, which are meant for those persons who are first time entering our EPC industry. This presentation covers various aspects of piping engineering like:

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

Sharing is Caring...

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.


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