01222019Tue
Last updateTue, 22 Jan 2019 8pm

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Trends in Independent Valve Pressure Testing

13 spr testing fig1Before the industry slowdown of 2008, some end users performed third-party pressure testing of valves for use in critical service according to the acceptance criteria of ASME B16.34, API-598, API-6D, etc.


First Valve Repair Event Shows Depth of Today's Issues

13 wnt m-r 1Repair and maintenance is one of the most critical areas of today’s valve world and attendees at the Valve Repair Council’s first Valve Repair Meeting & Exhibition last fall found out why. From the value of radio-frequency identification (RFID) tagging to the latest proposed standards, speakers brought their audiences up to date while vendors to the industry showed the latest in products and services that can keep this nation’s facilities in tip-top shape.

 

VRC to Hold New Valve Repair Event

vmsum12_vrcLike VMA, the Valve Repair Council is committed to education for those in the valve industry. VRC recently added a conference designed specifically for the valve and actuator repair and maintenance industry. The inaugural Valve Repair Meeting and Exhibition will be November 1 to 2 in Houston.

Documentation to Diagnostics: Trends in Valve Repair

vmspr12_valve_repairNot long ago, car owners often performed basic repairs and maintenance tasks themselves. Also not so many years ago, shoppers had to visit separate stores to purchase groceries, clothing, electronics, hardware and medicines. Neither of these scenarios applies to most of today’s consumers. The complexity of automobiles means even routine repairs and maintenance must be completed by trained mechanics using specialized equipment and computers. As far as shopping, the “super center” retailers offer the convenience of one-stop shopping for a vast array of products.

Common Bellows Failures and Suggestions for Mitigation

vmwnt12_MR_Fig1

While it is an extremely rare event, bellows can and do fail. But bellows failures are often wrongly attributed to the quality of the valve or the bellows while in reality, a more likely scenario is operating conditions or an improperly specified valve that contributed to the failure. Still, whenever a failure occurs, analysis of what happened and why is critical.

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