Compact high pressure gear pumps

The range now features 29 models. Available through pump specialists Michael Smith Engineers, the SG range of Viking positive displacement pumps includes models rated for maximum continuous pressures up to 34bar and maximum intermittent pressures up to 172bar. The design is said to ensure extended seal and bearing life, keeping downtime to a minimum. For example, shaft movement is minimised which significantly lengthens seal life, radial movement, or misalignment, is prevented by close coupled motor mounts, or outboard bearings for foot mounted pumps. Axial movement is minimised by spur type gears, instead of helical gears, which can cause gear thrust on contact components. The pumps incorporate as standard, anti-friction needle bearings which eliminate bearing wear at start up and shutdown. They have a high pressure capability (up to 35bar on some models) and multi-section models with multiple porting options mean that two or more separate pumping sections driven by a single source can be configured with separate ports or common suction or common discharge ports. This means each section can operate at different pressures and/or flows, making the pumps very adaptable to unique pumping applications. Optional carbon graphite bearings are available for very low viscosities or silicon carbide for abrasives which ensures 'best' bearing selection for pump configuration matched to the application. Viking SG Series Gear Pumps are suitable for numerous pumping applications. These include; centralised lubrication systems, Polyurethane metering and mixing, compressor lubrication, burner feed, pipeline sampling, heat transfer and adhesive and sealant dispersion.