API has a monogram program:
API does monograms for API 600, API 602, and API 594.
As of February 2019, API does NOT yet have a monogram for API 623 (globe valves).
A list of manufacturing facilities that have the right to apply API monograms can be obtained
As of Feb 2019, the following have valid API Monograms:
- Newco 27 - YC: API 600, API 594
- Newco 47 – DC: API 602
- Newco 22 – HLC: API 600
- Plant 21 - L&T: API 600, API 594
Date Composed: 2/14/2019
Revision Letter: NONE
Reason for Release: Original Specification
Prepared By: D. Romphf