Valves

Welding Specifications Issues

Articles

Welding Specifications Issues

Q: I need to qualify a welding procedure specification per the ASME Boiler and Pressure Vessel Code.

General Quality/Compliance Thought Leadership Valves

July 15, 2020

Check Valves: The Most Important Valves in Your Process System

Articles

Check Valves: The Most Important Valves in Your Process System

Check valves, as critical as they are for flow system performance, often don’t receive the respect they are due, said Arie Bregman, vice president and general manager, DFT, Inc., in a recent VMA presentation.

Automation General Valves

July 1, 2020

Maintaining Hygienic Diaphragm Valves

Articles

Maintaining Hygienic Diaphragm Valves

The biopharmaceutical industry relies on hygienic diaphragm valves for its demanding process applications because of the unique needs for cleaning and draining, and for pressure and temperature capabilities.

MRO Valve Basics Valves

May 20, 2020

Linear Actuators for Automating Gate Valves

Articles

Linear Actuators for Automating Gate Valves

Most professionals in the valve industry are already familiar with the use of linear actuators to operate globe valves.

Actuators General Valves

January 10, 2020

Advanced Pressure Control in a City Water System

Articles

Advanced Pressure Control in a City Water System

Every water supply district experiences unnecessary losses from leakage and expenses for repairing line breaks.

Automation General Valves Water/wastewater

January 2, 2020

Triple Offset Butterfly Valves

Articles

Triple Offset Butterfly Valves

From time to time VALVEmagazine.com will open up the archives and re-publish some of our most popular articles from years past.

Thought Leadership Valve Basics Valves

October 18, 2019

The Basics of Eccentric Plug Valves

Articles

The Basics of Eccentric Plug Valves

Wastewater systems present many challenges to pumps and valves because the flow can contain grit, solids and debris, depending where in the process the equipment is located.

General Thought Leadership Valve Basics Valves Water/wastewater

September 11, 2019

Control Valve Selection for Severe Service

Articles

Control Valve Selection for Severe Service

A control valve can be used to control pressure, pressure drop, flow and temperature in any system where there is a fluid flowing through a pipe that needs to be controlled.

Automation General MRO Valves

July 30, 2019

Standards Clarification: Pressure Rating Standards for Flanged Valves

Articles

Standards Clarification: Pressure Rating Standards for Flanged Valves

In any industry, one of the most challenging tasks is keeping up to date and compliant with complicated and ever-changing sets of performance standards.

Quality/Compliance Valves

May 6, 2019

Conval: Camseal Metal-Seated Ball Valves Feature New Stem Position Indicator Disc

Products

Conval: Camseal Metal-Seated Ball Valves Feature New Stem Position Indicator Disc

Conval recently announced that its popular Camseal© metal-seated, forged ball valves feature a new Stem Position Indicator Disc for easy, precise on-site identification and inspection of the open-close status of the valve.

Ball Other Valves

April 11, 2019

Solenoid Valves: Direct Acting vs. Pilot-Operated

Articles

Solenoid Valves: Direct Acting vs. Pilot-Operated

While presenting in a recent VMA Valve Basics 101 Course in Houston, I found myself in a familiar role: explaining solenoid valves (SOVs) to attendees. (I work with solenoids so much that one VMA member at that conference joked that I needed to be wearing an I Heart Solenoids t-shirt). During the hands-on “petting zoo” portion of the program, which involves smaller groups of attendees, one of the most frequently asked questions I get from people came up: What’s the difference between direct-acting and pilot-operated SOVs, and how do we make a choice?

Automation Controls Thought Leadership Valve Basics Valves

April 8, 2019

Tariff Pressure Builds on Valve Industry

Articles

Tariff Pressure Builds on Valve Industry

In the last year, one word has dominated U.S. trade policy: tariffs.

General Thought Leadership Valve Basics Valves

January 20, 2019