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Have
a question on or need to purchase quality Pressure Regulators?
Our
Sponsors Prochem Pipeline Products are Experts in this area!
Contact them here.
GO
Regulator is a leading global designer and manufacturer of
standardized and specialty pressure regulators, diaphragm valves, and
filters to the analytical, instrumentation, petrochemical, oil & gas,
and specialty gas industries.
Just Scroll down to get to some great technical data
The following information is from GO Regulator.
Regulator
Technical Reference - This
Technical reference details Mass Spectrometer Helium Leak
Certification, Subatomic
Units of Measure, Flow Calculations for GO
Regulator Products, CGA
Connection Chart, Typical Pressure Regulator
along with Applications.
Regulator
Glossary of Regulator Terms - A
useful reference
Instructions
for the General Use of Go Products - Some very useful
technical instructions.
Go
Regulator Pressure Animations - These Animations give a
good indication of how regulators work.
GO
Regulator Corrosion Chart
Calculators - A series of Cv, Maximum Flow and Backpressure Calculators from Go Regulators
- Maximum
Flow Calculator for Gases
- Minimum
Cv Calculator for Gases
- Maximum
Flow Calculator for Liquids
- Minimum
Cv Calculator for Liquids
- Back
Pressure Maximum Flow Calculator for Gases
- Back
Pressure Minimum Cv Calculator for Gases
- Back
Pressure Maximum Flow Calculator for Liquids
- Back
Pressure Minimum Cv Calculator for Liquids
PSI
Conversion Factors
Temperature
Conversion Calculator
The Following links are from ICEweb Sponsor Samson Controls
Cutting
Costs using Self-Operated Regulators - Wolfgang Hesse
- At the beginning of the last century, the first self-operated
regulators were used for simple control tasks which marked
the beginning of process automation. Nowadays, many of us are not aware of the
advantages, the design, the principle of operation as well
as the limits of this type of technology. In this paper, Samson’s
Mr Wolfgang Hesse outlines how cost effective self-operated regulators can be.
This is a zipped file thanks to ICEweb sponsor Samson
Controls .
Introduction
to Self-operated Regulators - Self-operated regulators
take over all the tasks required in a control loop. They integrate measuring
sensor, controller as well as control element all in one system (Fig. 2). The
combination of these components results in very rugged and reasonably priced
devices - Thanks to ICEweb sponsor Samson
Controls .
The following links are included thanks to ICEweb sponsor Emerson
Process Management.
Introduction
to Regulators - Instrument engineers agree that the simpler a system is
the better it is, as long as it provides adequate control. In general,
regulators are simpler devices than control valves. Regulators are
self-contained, direct-operated control devices which use energy from the
controlled system to operate whereas control valves require external power
sources, transmitting instruments, and control instruments. This comprehensive Technical Reference
guide includes articles covering regulator theory, sizing, selection,
overpressure protection, and other topics relating to regulators. This section
begins with the basic theory of a regulator and ends with conversion tables and
other informative charts.
Glossary -
Glossary of regulator terms for reference.
Principals
of Operations & Regulator Sizing Theory - Regulators
provide a means of controlling the flow of a gas or other fluid supply to
downstream processes or customers. An ideal regulator would supply downstream
demand while keeping downstream pressure constant; however, the mechanics of
direct-operated regulator construction are such that there will always be some
deviation (droop or offset) in downstream pressure.
Valve
Sizing (Standardised Method) - Fisher® regulators and valves have
traditionally been sized using equations derived by the company. There are now
standardized calculations that are becoming accepted world wide. Some product
literature continues to demonstrate the traditional method, but the trend is to
adopt the standardized method.
Complete
Technical Section on Pressure Relief Valves - This huge 10 Meg
file is a Download of the complete Technical Section tabbed with bookmarks.
Edition
VI of Industrial Pressure Regulator Application Guide
- This 736 page, 4-color guide serves as a reference for technical applications
and pressure data on Fisher® brand industrial regulators and is
designed to provide assistance in selecting the right pressure regulator for a
broad range of applications anywhere in the world. The Industrial Application
Guide's comprehensive Technical Section includes several new and updated
sections such as Regulator Components, Principles of Direct-Operated Regulators,
Principles of Pilot-Operated Regulators, Selecting and Sizing Pressure Reducing
Regulators, Over Pressure Protection Methods, Principles of Relief Valves,
Principles of Series Regulation and Monitor Regulators, Valve Sizing
calculations, Valve Sizing, Temperature Considerations, Sulfide Stress Cracking,
Conversions, Equivalents, and Physical Data.
Temperature
Considerations -
Freezing has been a problem since the birth of the gas industry. This
problem will likely continue, but there are ways to minimize the effects of the
phenomenon.
Sulphide
Stress Cracking - NACE MR0175, “Sulfide Stress Corrosion
Cracking Resistant Metallic Materials for Oil Field Equipment” is widely used
throughout the world. In late 2003, it became NACE MR0175/ISO 15156,
“Petroleum and Natural Gas Industries - Materials for Use in H2S-Containing
Environments in Oil and Gas Production.” These standards specify the proper
materials, heat treat conditions and strength levels required to provide good
service life in sour gas and oil environments.
Reference
- This section contains information regarding elastomers, metals,
regulator tips, conversions, equivalents, and physical data.
Pressure Regulators Simplicity May Suffice - Seeking a good, economical alternative to control valves? Pressure regulators may be the right choice - Pressure regulators are very simple control devices, taking necessary operating energy from the process. In contrast, control valves require transmitters, controllers, and external energy sources.- From Dave Harrold and Control Engineering.
The following papers are from CEESI, whilst they are older
they still address the fundamentals
Operation
and Maintenance of Regulators - Jim Massey - the
operation and maintenance of regulators is extremely important because a gas
regulator is the most critcal mechanism for controlling the movement or ther
flow of gas.
Fundamental
Principles of Self Operated Regulators - James Thomson - This paper
discusses the basic purpose of regulators, what affects their performance,
things to consider when sizing a regulator and capacity calculations for safety
devices.
Causes
and Cures of Regulator Instability -
William H. Eamey - This paper addresses the gas pressure reducing regulator
installation and the issue of erratic control of the downstream pressure. A gas
pressure reducing regulator’s job is to manipulate flow in order to control
pressure. When downstream pressure is not properly controlled the terra unstable
control is applied.
Gas
Service Regulators Installation, Selection, And Operation -
Robert McCaslin - Of the many varieties of gas
pressure regulators the service regulator is one of the most basic and widely
used types. They are typically found on residences, small businesses, and
apartments. They are often the final stage of pressure reduction before
residential meters, and they typically reduce pounds per square inch inlet
pressure to inches water column pressure.
Fundamental
Principles Of Pilot-Operated Regulators -
Brent E. Sayer - A regulator is a mechanism for controlling or governing the
movement of machines or the flow of liquids and gases, in order to meet a
standard.
High
Pressure Regulators - Brent E. Sayer - A regulator may be described as a
"mechanism for controlling or governing the movement of machines or the
flow of liquids and gases, in order to meet a standard." The primary
function of a gas or liquid regulator is to match the supply of the fluid moving
through it to the demand for the fluid downstream. To accompli sh thi s, the
regulator continuously measures the downstream pressure and makes adjustments
accordingly.
Also
there are a huge "swag" of Pressure Regulator papers on the excellent
CEESI website, just go to their technical
page and type in "Pilot Operated Regulator" on their search
engine.
Combating Droop in Self-Contained Pressure Regulators - Tim Gainer - When qualifying valves for any pressure reduction application, there are several factors to consider. Initially, you must decide whether the application requires a control valve in order to be effective, or would a self-contained or piloted regulator be sufficient? from Jordanvalve.com
Fundamental Principles of Pilot Operated Regulators - Steve Berry - For all practical purposes, regulators, used by the gas distribution industry can be placed in either of two categories: Self-Operated or Pilot-Operated. this paper examines them both. Thanks to ICEweb sponsor Emerson Process Management and www.ceesi.com .
Tank Blanketing Valve - Tank Blanketing Valves are self-contained, fully balanced, pilot-operated and are used for accurate pressure control on tank blanketing systems. These valves help control emissions and provide protection against atmospheric contamination. The valves maintain a positive tank pressure which reduces the possibility of tank wall collapse during pump out operations, prevents stored product from vaporizing to atmosphere.Thanks to ICEweb sponsor Emerson
The following links are included thanks to
ICEweb sponsor Emerson
Process Management.
Vacuum
Control - Vacuum regulators and vacuum breakers are widely
used in process plants. Conventional regulators and relief valves might be
suitable for vacuum service if applied correctly - from Emerson
Process Management
Our sponsors PROCHEM PIPELINE PRODUCTS also have a further range of associated products and technical information - find it here.