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API RP 621
Reconditioning of Metallic Gate, Globe, and Check Valves, Fifth Edition
Translate name
STANDARD published on 1.10.2022
The information about the standard:
Designation standards: API RP 621
Publication date standards: 1.10.2022
SKU: NS-1250480
The number of pages: 54
Approximate weight : 162 g (0.36 lbs)
Country: American technical standard
Category: Technical standards API
Annotation of standard text API RP 621 :
This Recommended Practice (RP) provides guidelines for reconditioning heavy wall (API 600 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. Guidelines contained in this RP apply to flanged and butt weld cast or forged valves.This RP does not cover reconditioning or remanufacturing of used or surplus valves intended for resale. The only intent of this RP is to provide guidelines for refurbishing an end user’s (Owner) valves for continued service in the Owner’s facility. Valves reconditioned or remanufactured to this RP may not meet API Standard requirements for new valves. See more
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