After decades of confusion, the American Water Works Association has created new standards for actuator sizing that clear up some of the confusion and also provide guidance on where safety factors need to be applied.
October 6, 2020
Editor's Note: This article is an excerpt from Cylinder and Vane Actuators and Control—Design and Installation, published by the American Water Works Association in 2015.
August 25, 2020
The issue is that assemblies are not currently treated as “engineered” items — they are often produced by slapping the actuator on the old (or new) valve specified by the piping requirements without much understanding of the specifics of the interactions between valve and actuator connections through the drive train (coupling).
June 3, 2020
Since the early days of water and wastewater treatment plants in the U.S., municipalities and industries have continued to expand and upgrade existing plants and distribution infrastructure as well as build new facilities.
April 6, 2020
The new year presents several exciting opportunities for those who manufacture and work with valves, actuators and related products.
January 15, 2020
Most professionals in the valve industry are already familiar with the use of linear actuators to operate globe valves.
January 10, 2020
Actuators in the oil and gas industry operate many types of valves, and they must do so with great precision and accuracy.
June 18, 2019
Valve modification can be defined as: adding value to standard or “commodity” valves by installing actuators, special trims, different end-connections, packing and gaskets, and other accessories or upgrades not provided on the original product.
February 25, 2019
Typically, electric actuator commissioning is performed when the actuator is installed at site.
September 26, 2018
Gears have a long history and have been used for many purposes throughout civilization.
March 28, 2018
The British Valve & Actuator Association (BVAA) is coming to the end of the second year of its innovative Future Leaders Program. “It is quite possibly the most rewarding activity of my career.” said BVAA’s Director & CEO, Rob Bartlett. “The program has had an amazing effect on all those involved in it.
March 20, 2018
This article aims to resolve the problems that can occur when high actuator torque has a negative effect on the stem of the valve in offshore service.
February 26, 2018
