API STD 681-ed.2

Annotation of standard text API STD 681-ed.2 :

API STD 681, 2nd Edition, July 2021 - Liquid Ring Compressors and Vacuum Pumps in Petroleum, Chemical, and Gas Industry Services

This standard covers the minimum requirements for liquid ring compressor and vacuum pump (LRC/VP) systems for service in the petroleum, chemical, and gas industries. The requirements include basic equipment design, materials, fabrication, inspection, testing, and preparation for shipment.

This standard requires the purchaser to specify certain details and features. A bullet [•] in the margin indicates that a decision by, or further information from, the purchaser is required. Further information should be stated in the quotation request and purchase order.

The purchaser and the vendor shall mutually determine the measure that shall be taken to comply with governmental codes, regulations, ordinances, or rules that are applicable to the equipment.