New in gas processing technology

H. Meche, Associate Editor Pumps for demanding applications Maag’s new S Series of screw pumps is said to offer the process industries a variety of options for conveying challenging fluids. These rotary positive-displacement pumps provide numerous advantages over conventional technologies, including: ATEX certified for use in explosive or dangerous environments Self-priming capability and good suction performance Excellent speed/output linearity Low pulsation Constant flow, even at considerably different pressures and volumes Compact footprint and ease of maintenance. The basic design of the pump entails two screws, a drive screw and an idler screw. During pump ope