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

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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

Pump  

-     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

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Flange Specification and Identification

Specification

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

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1.0 PURPOSE

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

2.0 EXCLUSIONS

All or part of this guide may be superseded by client mandatory standards or by the codes and regulations imposed by governmental jurisdictions covering the location where the piping is installed.

3.0 DISCUSSION

3.1 SAFETY

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.

3.2 OPERATION

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.

 

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