API 621 REDLINE : 2010

Table of Contents

1 Scope
2 Normative References
3 Owner Access
4 Owner Responsibilities
5 Inspection, Identification, and Disassembly of Valves
6 Repair of Valve Parts
7 Post-Repair Assembly
8 Pressure Test
9 Preparation for Shipment
10 Tagging and Reconditioning Facility Identification
Annex A (normative) - Stem Packing
Annex B (normative) - Weld Overlay of Stems
Annex C (normative) - Tests

Abstract

Gives 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.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	American Petroleum Institute
Pages
ISBN