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ASME B16 Piping Component Standards


Piping component standard developed by the American Society of Mechanical Engineers or the American National Standards Institute (ANSI) B16.1 Cast Iron Pipe Flanges and Flanged Fittings B16.3 Malleable Iron Threaded Fittings, Class 150 and 300 B16.4 Cast Iron Threaded Fittings, Classes 125 and 250 B16.5 Pipe Flanges and Flanged Fittings B16.9 Factory Made Wrought Steel Buttwelding Fittings B16.10 Face to ... Read More »

MSS Standard


These are piping and related component standards developed by the Manufacturer’s Standardization Society. The MSS standards are directed at general industrial applications. The pipeline industry makes extensive use of these piping component and quality acceptance standards. SP-6 Standard Finishes for Contact Faces Pipe Flanges and Connecting End Flanges of Valves and Fittings SP-25 Standard Marking System for Valves, Fittings, Flanges ... Read More »

Conversion of Units


Conversion Factor: 1 Meter = 3.28 Feet 1 Meter = 39.37 Inches 1 Meter = 100 Centimeters 1 Meter = 1000 Millimeters 1 Foot = 12 Inches 1 Inch = 2.54 Centimeters 1 Centimeter = 10 Millimeters S.no English – Fraction (Inch) English Decimal (Inch) English (Millimeter) 1. 1/16 0.0625 1.6 2. 1/8 0.125 3.2 3. 1/4 0.25 6.4 4. ... Read More »

Piping Engineers Must Be Check


AREA Definition: A surface covered by specific shape is called area of that shape. i.e. area of square, circle etc. 1. Square: Area of Square = L x L = L2 Where L = L Length of side So if L = 5 cm Then Area = 5 x 5 = 25 cm2 2. Rectangle: Area of Rectangle = L ... Read More »

Test Pressure Detail from Codes


Code Test type Test pressure minimum Test pressure maximum Test pressure holding time Examination ASME B31.1 Hydrostatic(1) 1.5 time design Max allowable test pressure any component or 90 percent of yield 10 minutes Design pressure ASME B31.1 Pneumatic 1.2 times design 1.5 times design or max allowable test pressure any component 10 minutes Lower of 100 psig or design pressure ... Read More »

Abbreviations for Piping Drawings

Abbreviations for Piping Drawings

General S.No Abbreviation Description 1 BOP Bottom of Pipe 2 CL Center Line 3 EL Elevation 4 GR Grade 5 HC Hose Connection 6 ID Inside Diameter 7 MAT’L Materials 8 MTO Materials Take Off 9 REV Revision 10 OD Outside Diameter 11 SPEC Specification 12 STD Standard 13 BW Butt Weld 14 CONC Concentric 15 ECC Eccentric 16 ELL ... Read More »

About the CAESAR II Documentation


To address the sheer volume of information available on CAESAR II and present it in a concise and useful manner to the analyst the program documentation is presented in three separate manuals: The User Guide describes the basic operation and flow of the many routines found in CAESAR II. This document provides necessary installation information, gives an overview of the ... Read More »

Placing Dead Weight Support


This tip will give you a guideline for locating the supports in your piping system Locate dead weight supports using recommended spacing from the code (B31 etc.). Consider existing support points. Decrease span by half off equipment. Decrease span for concentrated loads. Support concentrated loads. Support offset loads. Decrease span for extra lagging or insulation. Locate supports at changes in ... Read More »

What is Oil Refinery ?


When talking about refinery, we need to be able to differentiate and identify an oil refinery from the edible oil refinery. Basically, the oil refinery (or petroleum refinery) is an industrial process plant where crude oil (from crude petroleum) is processed and refined into more useful petroleum products, such as Gasoline Diesel fuel Asphalt base Heating oil Kerosene Liquefied petroleum ... Read More »

What do Petroleum Engineers do?


Petroleum Engineers are employed by oil or gas companies to design, test and implement efficient methods to extract petroleum products from the earth and sea floor. They spend most of their time making estimations because they can never see what is actually going on thousands of meters below the ground. They work closely with other professionals, such as geologists, to ... Read More »

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