Master Class Articles
A new approach for efficient valve instrumentation
Automated process valves actuated by pneumatic actuators always need pneumatic and/or electropneumatic instrumentation components to build up the spec...
Valve User Issue 33
The product launch process:: an insight into the introduction of a new electric actuator range
In this masterclass report for Valve User, insight is given by SIPOS Aktorik into the processes, considerations and development steps involved in brin...
Valve User Issue 32
What is the difference between T class and T ambient?
Does the “T” class of hazardous area equipment (e.g. T4, T5, T6 for gas hazards or T135°C, T100°C, T85°C for dust hazards) define the maximum temperat...
Valve User Issue 31
Rapid Gas Decompression in Extreme Environments: By Jean-Luc Matoux, Global Application Engineer for Energy & Materials Handling, DuPont
Increasing oil extraction pressures and temperatures, aggressive chemicals and rapid gas decompression (RGD) in new, more difficult drilling sites are...
Valve User Issue 30
Keep the noise down: High noise can be a problem in even low and medium pressure steam applications.
When walking around processing facilities like oil refineries, one striking element is the loud noise generated within the processes and piping by the...
Valve User Issue 29
Pressure Surge Management Master Class: The role of VSAs
Water hammer is a very real problem for pump stations. As a result, pressure surge control is of prime importance for the valve control industry. In t...
Valve User Issue 29
Manual or Auto Drain Airsets – does it matter?
Producing and maintaining dry compressed air is a complex task and dependent on many variables. The practical upshot of wet air or entrained slugs of ...
Valve User Issue 29
Improving measurement and process performance using smart instruments and asset management systems
Developments in smart instrumentation and asset management systems are offering a raft of new opportunities for today’s process operators. Providing r...
Valve User Issue 28
Advanced Valve Solutions’steam cooled attemporator: Innovative Solution to Thermal Shock Problems in Power Generation
Advanced Valve Solutions, the specialist Valve and Engineering Solutions Provider have developed an innovative solution to the problem of Thermal Shoc...
Valve User Issue 27
Modified Valves: can you afford to take the risk?
The modification of standard valves to suit alternative and often very specific use is nothing new. More and more contractors and end users are turnin...
Valve User Issue 27
API 622 – Helping you to choose the best fugitive emissions packing
Valve fugitive emissions standards and legislation are not new ideas or concepts. Beginning in the USA in the 1960s, formalisation of criteria and tes...
Valve User Issue 26
Valve Condition Monitoring Made Easy
Valve Condition Monitoring is known to reduce risks, and maximise efficiency and reliability in all processes where it is deployed. It is increasingly...
Valve User Issue 26
A guide to pressure transmitter materials selection
The risk of corrosion presents a serious threat to the long term operation and accuracy of pressure transmitters, particularly in critical measurement...
Valve User Issue 26
Stop check valves: In many applications the use of a combination of a stop valve and a check valve is used
This results in two pressure containing parts, two potential leak paths and the added issues of space and especially weight.
Based on globe valves...
Valve User Issue 26
ABB Smart positioners save money
Maybe you think that your existing conventional valve positioners provide the accuracy you need. However, Jo Kirkbride, Actuator & Positioning Product...
Valve User Issue 25
How European Standards are developed to support European Directives
This article describes the overall process used for the preparation of European Standards, how papers are circulated between CEN itself, CEN Technical...
Valve User Issue 25
Optimum Flow Control Contributes Towards Reducing Manufacturing Costs
Oil and gas companies around the globe face the challenge of increasing production and delivering quality products while reducing resources and manufa...
Valve User Issue 25
Liquefied gas - The challenge for valves
Due to the existence of large reservoirs of natural gas, many national economies use natural gas as an alternative to crude oil. A large percentage of...
Valve User Issue 25
Improving Process Efficiency With Wireless Valve Automation: By Kurtis Jensen
The economics and simplicity of wireless field instruments has allowed many industrial plants to expand the benefits of automation well beyond traditi...
Valve User Issue 24
The Use of Brushless DCV Motors in Electronic Valve Actuators: Prepared by: Earnest Carey, Jr. and Scott Wilkerson
Since 1929, electric valve actuators have been used for valve actuation, using both AC and DC volt motors. Motor technology remained virtually unchang...
Valve User Issue 24
Counterfeiting - The hidden threat to safety
Behind each and every successful product lie thousands of hours and probably millions of pounds in research and development. Not surprising then that ...
Valve User Issue 24
Advanced Planning and Scheduling in an ‘engineer to order’ business
With a developing business and significant market growth being displayed, BEL Valves recognised the need for new methods of planning and scheduling to...
Valve User Issue 23
The Case for Interlocking Pig Launchers and Receivers: By Mike Fynes, Sales and Marketing Director, Smith Flow Control
Pigging operations are inherently dangerous. Opening a pig trap closure while there is pressure in the barrel can shoot the pig out of the launcher at...
Valve User Issue 23
Crossing the High Pressure, High Temperature ‘Chasm’
The oil and gas industry is often criticised for not being at the cutting edge of technological advancement. But with the demise of ‘easy oil’ Operato...
Valve User Issue 23
Pump-attuned valves improve energy efficiency: By Uwe Herberger-Rosin, KSB Aktiengesellschaft
In actual practice, roughly one out of three check valves installed in pump systems is causing major losses due to improper selection. Particularly in...
Valve User Issue 23