Grand Rapids, MI — Blackmer®, part of Pump Solutions Group (PSG®) and a global leader in positive displacement and centrifugal pump, and reciprocating compressor technologies, is pleased to announce that its XL Series Sliding Vane Pumps have been designed to meet the unique handling characteristics of crude oil that is produced from shale formations. Shale crude is lighter and cleaner than traditional crude oil and needs to be transferred by pumps that can adequately handle liquids with ...This story is related to the following:Oil Pumps | Sliding Vane Pumps