Monthly Archives: March 2015

API Standard 6D for Pipeline Valves

Posted on March 16, 2015 by admin

API Standard 6D, from the American Petroleum Institute, provides specifications for pipeline valves. Scope API 6D covers the design, manufacture, testing, and documentation for pipeline ball, check, gate, and plug valves for pressure ratings up to ASME class 2500. Valve … Continue reading →

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API Standard 621 Guidelines for Gate, Globe, & Check Valves

Posted on March 16, 2015 by admin

API Standard 621 is a Recommended Practice (RP) that describes guidelines for reconditioning metallic gate, globe, and check valves. Scope API 621 RP provides guidelines for reconditioning heavy wall carbon steel, ferritic alloy, stainless steel, and nickel alloy gate, globe, … Continue reading →

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API 600 Standard – Gate Valves for Petroleum & Natural Gas

Posted on March 16, 2015 by admin

API Standard 600, from the American Petroleum Institute, describes the criteria for valve design/construction and the material/trim designations for steel gate valves. The most recent version of this standard was published in January 2015, effective as of July 15, 2015. … Continue reading →

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Preventative Maintenance vs. Greasing Valves: Why It’s Needed

Posted on March 10, 2015 by admin

Question: I’ve been lubricating and injecting sealant into my pipeline valves, but they still won’t shut off or operate. What’s going on? Answer: This is not a lubrication problem. It could be any number of things. Rather than continuing to … Continue reading →

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What Can Trained Valve Technicians Do for You?

Posted on March 9, 2015 by admin

Whether you are installing a pressure relief valve on a boiler or actuators on a pipeline, having highly trained technicians is key to both your safety and your success. This article reviews the different levels of valve technician training and … Continue reading →

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