RESTRICTION ORIFICE SIZING VAPOR and GAS FLOW CALCULATOR (RO)

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MASONEILAN (1998) Control Valve Sizing Handbook

This article is an informal guide with illustrations aimed at helping beginners to understand Dresser Masoneilan Control Valve sizing principles.   Masoneilan Control Valve Sizing This control valve handbook on control valve sizing is based on the use of nomenclature

FISHER (2001) Control valve handbook

​Control valves are an increasingly vital component of modern manufacturing around the world. Well–selected and maintained control valves increase efficiency, safety, profitability, and ecology. The Control Valve Handbook has been a primary reference for more than 30 years. This third

KLM Technology Group (2012) CONTROL VALVE SELECTION AND SIZING

These design guideline are believed to be as accurate as possible, but are very general and not for specific design cases. They were designed for engineers to do preliminary designs and process specification sheets. The final design must always be

MASONEILAN (1970) Sizing Rule

MASONEILAN-1970-Sizing-Rule.pdf

KBR (2002) Ease Control Valve Selection

​Control valves play a major role in the everyday effort to increase process plant profitability and conserve energy. Proper selection of these valves can have a significant financial impact on the overall cost of a project and how well the

FLOWSERVE (2005) Instrument Engineer’s Handbook for DURCO Quarter-turn Control Valves

​This manual on control valve sizing brings together the mathematical tools required to select Durco valves properly for control valve applications. The equations presented for liquids, gases, and steam are based on the ISA standard S75.01 and are divided into

DRAGER (2008) Introduction to Gas Detection Systems

​In a first approach gas detection instruments are products of safety technology and are used preferably to protect workers and to ensure plant safety. Gas detection systems are dedicated to detect dangerous gas concentrations, to trigger alarms and – as

MSA (2014) Photoacoustic Infrared Detection (PAIR) versus Non-Dispersive Infrared Detection (NDIR)

When using a photoacoustic infrared instrument, a gas sample is introduced into the monitor’s measurement chamber and the sample is exposed to a specific wavelength of infrared light. If the sample contains the gas of interest, that sample will absorb

STAHL (2014) Explosion Protection Basics

STAHL-2014-Basics-Explosion-Protection.pdf

STAHL (2007) Explosion protection for process analysis

Gas analysers are used for the continous on line measurement of the composition of process flows in chemical production systems. These measurements provide support to key process functions of controlling and monitoring the temperature, humidity, and chemical composition of gases

What is OPC? Part 2: OPC Case Study

EMERSON (2016) How Multivariable Transmitters Work

EMERSON (2014) The Engineer’s Guide to Industrial Wireless Measurement

While wireless technology has been around for over 100 years, the Process Industry has been incorporating wireless measurements into their operations for about 5 years. In a short period of time, wireless technology (specifically, IEC 62591 (WirelessHART) has been

Allen Bradley (1996) DF1 Protocol and Command Set

This document contains important information concerning the DF1 Protocol and Command Set Reference Manual. This information extends and explains information provided in the Data Highway/Data Highway Plus/DH-485 Communication Protocol and Command Set Reference Manual, publication 1770-6.5.16 — November 1991 Allen-Bradley-1996-DF1-Protocol-and-Command-Set.pdf

Rockwell Automation (2013) Configuring FactoryTalk Historian SE Security

FactoryTalk Historian 3.0 introduced Windows integrated security for the Historian Server, allowing you to manage Historian Server authentication through Windows and Microsoft Active Directory (AD). This new security model improves Historian Server security, reduces your management workload, and provides users

SIEMENS (2013) SIMATIC IT Historian

SIEMENS-2013-SIMATIC-IT-Historian.pdf

Rosemount (2000) Density Measurement

The following information describes how to measure the density of a material for constant and varying level applications, using basic level measurements. Rosemount-2000-Density-Measurement.pdf

Rosemount (2009) Rosemount DP Flow Gas Flow Measurement

In gas flow measurement, the density of the gas changes as pressure and temperature change. This change in density can affect the accuracy of the measured flow rate if it is uncompensated. Rosemount-2009-Rosemount-DP-Flow-Gas-Flow-Measurement.pdf

PR Electronics (2015) SIL for starters

PR-Electronics-2015-SIL-for-starters.pdf.pdf

Swagelok (2002) Valve Sizing Technical Bulletin

Valve size often is described by the nominal size of the end connections, but a more important measure is the flow that the valve can provide. And determining flow through a valve can be simple. This technical bulletin shows how

MCCROMETER(2011) V-CONE FLOW METER TECHNICAL BRIEF

The McCrometer V-Cone® Flow meter is a patented technology that accurately measures flow over a wide range of Reynolds numbers, under all kinds of conditions and for a variety of fluids. It operates on the same physical principle as other

RESTRICTION ORIFICE SIZING LIQUID FLOW CALCULATOR (RO)

Sorry for the inconvenience! We are consolidating all of our calculators in a new section. Please click here to go !   1. Overview The restriction orifice (RO) is used basically to control or restrict the flow that flows through

METTLER TOLEDO (2014) Gas Analysis Offering at PRO

Tunable Diode Lasers (TDL): the most advanced technology for Gas Analytics today ​ METTLER-TOLEDO-2014-Gas-Analysis-Offering-at-PRO.pdf

O’Brien Analytical (2003) Electrical Tracers

The weakest link in the sample transport system is often the selection and installation of the heat trace medium and temperature control scheme. OBrien-Analytical-2003-Electrical-Tracers.pdf

Rosemount Analytical (2010) Theory and Practice of pH Measurement

​The determination of pH is one of the most common process chemical measurements made today. This booklet explains the principles behind the measurement and discusses ways of avoiding common pitfalls. The booklet also discusses industrial ORP (oxidation-reduction potential) measurements. Although

Rosemount Analytical (2010) The Theory of pH Measurement

WHAT IS pH? pH is a measure of the acidity or alkalinity of a water solution. The acidity or alkalinity of a water solution is determined by the relative number of hydrogen ions (H+) or hydroxyl ions (OH-) present. Acidic

Radiometer Analytical (2007) pH Theory and Practice

​The subject of this booklet is the potentiometric measurement of pH. This is the way in which pH is defined and is the optimal method for obtaining precise results. Reliable and accurate measurements depend on a number of factors: the

METTLER TOLEDO (2015) Hints and Tips to Improve Accuracy In DO and pH Measurement

​High quality and efficacy of products and efficiency in production are the main goals in pharmaceutical manufacturing. To achieve these aims, production processes must be stable, predictable and operate consistently at the target level of performance. Process analytics using in-line

METTLER TOLEDO (2007) A Guide to pH Measurement – The theory and practice of laboratory pH applications

This guide focuses on giving a clear and practical description of how to measure pH in the laboratory environment. A lot of tips and hints are given for the important points and the whole measurement description is later backed up

EMERSON (2013) The Engineer’s Guide to Industrial Temperature Measurement

This handbook provides a thorough discussion of the considerations for selecting the proper measurement system for a wide variety of applications and conditions. The engineered system selection guidelines are suitable for almost every industrial application.   EMERSON (2013) The Engineer’s

Siemens (2016) FC430 Coriolis Meter, How it Works

Good Video about Coriolis Flow Measurement Principle.

Safety Relief Valves, Pressure Relief Valves, Steam Safety Relief Valves

Do you know the principal function of a Safety Valve?