Tag Archives: Gate valves

My Gate Valves or Non-Return Valves Won’t Shut Off. What are My Options for Repair?

This is part of a series of articles addressing questions we get from our customers about valves and valve products. Read the previous articles here: How often should you repair or replace pressure relief valves? Answers to three common questions … Continue reading

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

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

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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