Valves

Ball Valve Repair 101

Articles

Ball Valve Repair 101

From time to time, we are re-posting well-received or particularly valuable articles that have previously run on VALVEMagazine.com so that those who might have missed them will be able to catch up on the best of the best.

MRO Valve Basics Valves

July 2, 2017

Wireless Technology Optimizes Production in Mining Operation

Articles

Wireless Technology Optimizes Production in Mining Operation

Natural Soda operates seven production well pairs in Colorado to produce saturated nahcolite brine for manufacturing sodium bicarbonate (baking soda). Mining nahcolite requires very careful monitoring of temperature, pressure and flow to not only optimize production performance—but also to mine the product sustainably and protect the freshwater aquifer.

Automation General Valves

May 22, 2017

Design Considerations for High-Temperature Sealing

Articles

Design Considerations for High-Temperature Sealing

With growing pressure to combat fugitive emissions and meet strict industry regulations, understanding the latest sealing technologies and design considerations for component solutions in severe applications is becoming increasingly critical.

General Quality/Compliance Valves

May 2, 2017

How to Improve Reliability and Safety of Solenoid Valves

Articles

How to Improve Reliability and Safety of Solenoid Valves

In an industrial setting such as a chemical plant, oil refinery or a deep-sea oil rig, there are safety instrumented systems in place that are designed to promptly bring about a safe shutdown of a process if certain hazardous conditions are detected.

General Quality/Compliance Valve Basics Valves

February 21, 2017

Triple Offset Butterfly Valves

Articles

Triple Offset Butterfly Valves

Since their introduction to the market more than 50 years ago, triple offset valves (TOVs), which are also known as triple eccentric valves, have continued to evolve, while uses for this type of valve have expanded across multiple industries.

Thought Leadership Valve Basics Valves

November 21, 2016

High-Pressure Test Enclosures for Valve Assemblies

Articles

High-Pressure Test Enclosures for Valve Assemblies

As drilling operations explore ever greater depths and pressures, operating pressures for new valve assemblies are going beyond traditional limits.

General Quality/Compliance Thought Leadership Valves

November 8, 2016

Avoid Water Hammer Problems in High-Pressure Hydraulic Systems

Articles

Avoid Water Hammer Problems in High-Pressure Hydraulic Systems

Water hammer, high-velocity fluid flow and contaminated hydraulic media are among the worst enemies of high-pressure hydraulic systems.

General Valves Water/wastewater

October 11, 2016

The Critical Stem Nut: Who is Responsible for Maintenance?

Articles

The Critical Stem Nut: Who is Responsible for Maintenance?

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.

Actuators General MRO Valves

September 19, 2016

The Dos and Don’ts of Isolating Pressure Relief Valves

Articles

The Dos and Don’ts of Isolating Pressure Relief Valves

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.

Automation General MRO Valves

August 29, 2016

New Test Stamp and More Updates on Pressure Vessel Codes

Articles

New Test Stamp and More Updates on Pressure Vessel Codes

A new test organization program and stamp has been authorized by the National Board of Boiler and Pressure Vessel Inspectors (NBBI), effective February 2016.

General Quality/Compliance Thought Leadership Valves

August 9, 2016

Intermediate Class Valves, the Forgotten Classification

Articles

Intermediate Class Valves, the Forgotten Classification

These days, piping designers use automated systems that default to standard classifications such as pressure classes of 150 to 2500 for valves and associated equipment.

Automation General Quality/Compliance Thought Leadership Valves

August 1, 2016

Horizontal Knife Gate Valves: Challenges and Solutions

Articles

Horizontal Knife Gate Valves: Challenges and Solutions

Knife gate valves are more commonly installed vertically, so why might a knife gate be positioned horizontally?

General Valves

June 6, 2016