API RP 621:2018

API RP 621:2018

Reconditioning of Metallic Gate, Globe, and Check Valves, Fourth Edition

American Petroleum Institute

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Abstract

This recommended practice (RP) provides guidelines for reconditioning heavy wall (API 600, API 623, and API 594 type) carbon steel, ferritic alloy (up to 9 % Cr), stainless steel, and nickel alloy gate, globe, and check valves for ASME pressure classes 150, 300, 400, 600, 900, 1500, and 2500.

General Product Information

Document Type Standard
Status Current
Publisher American Petroleum Institute
ProductNote This product is unavailable in Cuba, Iran, North Korea, Syria
Supersedes
  • API 621 : 2010

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