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One of the most important components of an automated threaded stem valve is the ubiquitous stem nut, a relatively simple and unsophisticated mechanical device that converts the rotary motion of an actuator into the linear stem movement needed to open or close one of the many types of gate valves or sluice gates.
September 19, 2016
For the first time in the seven-year history of the Valve Basics education program, the Valve Manufacturers Association (VMA) held a company-specific training event conducted by the VMA Education Committee’s Valve-Ed team.
September 14, 2016
Increased emphasis on the need to improve process performance and reduce variability mean many control loops today are optimized.
September 13, 2016
As was the case with many of the presenters at VMA’s Market Outlook Workshop held in August 2016, Randy Giggard of FMI Consulting noted that availability of labor at all levels is a major concern in the construction business.
September 12, 2016
On Aug. 2, 2016, OSHA fines increased, but critics ask: Does this higher fine actually increase safety?
September 6, 2016
Ceramic coatings extend the in-service life of equipment by enhancing the corrosion and wear resistance of the base material.
August 31, 2016
Typically, isolation valves are used to block off a pressure safety valve (PSV) from system pressure, so that maintenance on the valve or related equipment can be conducted without a shut down.
August 29, 2016
As was the case at last year’s event, speakers and attendees at this year’s Market Outlook Workshop were consistent in their concerns about the low price of oil and the high U.S. dollar.
August 22, 2016
One of the most keenly felt needs in today’s industrial world is the lack of skilled employees.
August 17, 2016
I am not a valve expert, although I often play one where I work.
August 17, 2016
A new test organization program and stamp has been authorized by the National Board of Boiler and Pressure Vessel Inspectors (NBBI), effective February 2016.
August 9, 2016
Process hazard analysis (PHA) is required by U.S.
August 3, 2016
