API 621 REDLINE : 2010
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
RECONDITIONING OF METALLIC GATE, GLOBE, AND CHECK VALVES
01-01-2010
01-02-2024
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
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.
| DocumentType |
Redline
|
| PublisherName |
American Petroleum Institute
|
| Status |
Withdrawn
|