API STD 681-2021
Liquid Ring Compressors and Vacuum Pumps in Petroleum, Chemical, and Gas Industry Services (Second Edition)

Standard No.

API STD 681-2021

Release Date

2021

Published By

American Petroleum Institute (API)

Latest

API STD 681-2021

API STD 681-2021 history

• 2021 API STD 681-2021 Liquid Ring Compressors and Vacuum Pumps in Petroleum, Chemical, and Gas Industry Services (Second Edition)
• 1996 API STD 681-1996 Liquid Ring Vacuum Pumps and Compressors for Petroleum@ Chemical@ and Gas Industry Services (First Edition)