Valve Magazine


Last updateFri, 02 Oct 2015 9am

The Case for a Severe Service Standard

The Case for a Severe Service Standard

At this time, no national standards exist that cle...

Commercial Construction on the Rise

Commercial Construction on the Rise

“While single family building normally dominates t...

Adding Value through Positioner Diagnostics

Adding Value through Positioner Diagnostics

Industrial plants are tasked with reducing costs a...

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U.S. Added 142,000 Jobs in September

2 DAYS AGO  |  Chris Guy

Total nonfarm payroll employment increased by 142,000 in September, and the unemployment rate was unchanged at 5.1%, the U.S. Bureau of Labor Statisti...

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A-T Controls M-Series Metal Seat Ball Valves for High Temperatures and Abrasive Surfaces

a-t controls m-series metal seat ball valvesNew M-series metal seat ball valves from A-T Controls are engineered with specially coated matched balls and seats to stand up to high temperatures, pressures and abrasive materials encountered in the oil/gas, chemical, power generation, pulp and paper, food processing and mining industries.

Valves in the M-Series have a temperature range of -20°F to 661°F, and a pressure rating up to ANSI class 600. M-series ball and seat materials include stainless steel, stellite welded, and hard chrome-plated steel, allowing the valves to perform well in applications involving abrasive fluids and steam. Two optional coatings are also available - a tungsten carbide (TC) coating for heavy slurry environments, and a chrome carbide (CC) coating for higher temperature applications. An oversized stem prevents deformation at higher pressures and temperatures. Larger ball design provides a tight seal, preventing leakage, and an Inconel seat spring maintains positive contact between the ball and seat during

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Valve Magazine Digital Edition

Valve Magazine Summer 2015Inside the Summer 2015 issue…

• Critical Service
• Effects of Flashing/Cavitation
• Coatings and Wastewater Apps
• The Latest in R&D