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The latest addition to the Viking range of internal gear pumps is an interchangeable, sealless model that is ideal for pumping hazardous, hard-to-seal liquids.

Available through Michael Smith Engineers, the Universal Mag Drive series includes models that provide flows up to 45 M3/hr at pressures up to 14 bar.

The pumps offer a simple solution for upgrading existing conventionally sealed pumps from packings or mechanical seals to a sealless design, thereby eliminating the risks associated with seal failure.

This inter-changeability can be achieved without the need for expensive and time-consuming re-piping due to multiple port configurations combined with the range of sizes that Viking offers.

The pump design also enables short-term dry-run capability and bi-directional operation, without the need for modification or disassembly and so enables filling or emptying using one pump, which helps to minimise system costs.

Other features include: dual thrust control bearings, which ensure positive control of rotor position for more accurate flow and also reduces pump wear, and an externally adjustable relief valve, which can be adjusted while in service when process conditions change, and so maximises process up-time.

An adjustable rotor clearance enables high volumetric efficiency, whether pumping thin or viscous liquids.

Also, extended pump life is made possible thanks to Viking’s in-canister bushing and hollow shaft design, while the pump’s construction allows for positive cooling flow, which minimises the potential for thermal product degradation.

Available in cast iron, steel and stainless steel these tough, durable pumps provide the highest level of liquid containment available and are suitable for handling a range of liquids.

For example, transferring hard to seal liquids such as isocyanates, sodium hydroxide, adhesives and epoxy resins, as well as hazardous, reactive liquids such as volatile organic chemicals, LPG and ammonia.

Typical applications include 24/7 operation in refineries, chemical and polymer plants, paper mills or wherever sealless, leak-free and low maintenance pumping is required.

Michael Smith Engineers

Michael Smith Engineers Ltd,  the UK’s leading pump specialist for difficult liquid handling applications since 1971,  provide representation in the UK for specialist pump manufacturers, with particular emphasis on sealless leak free pump technology.  Our product range includes magnetically driven gear pumps, magnetically driven centrifugal pumps (including metal, plastic and lined centrifugals),  canned motor centrifugal pumps, peristaltic pumps, tubular diaphragm pumps, metering pumps, valveless piston pumps, turbine  pumps,  high pressure diaphragm pumps, vane pumps and barrel emptying pumps. We can supply pumps in a wide choice of wetted materials for liquids between 0.2 cP and 500,000 cP, temperatures between -50 oC and +400 oC,  capacities from nanolitres per hour to m3  per minute and can offer pumps for  high system pressures up to 350 Bar and high discharge pressures up to 500 Bar.  Corrosion resistant materials are available for many of our ranges include metallic options of stainless steel and high nickel alloys or plastic options of PVC,  polypropylene, PVDF and ETFE. The main markets we service with our ranges of pumps are the chemical, petrochemical, pharmaceutical and process sector with our larger pumps  as well as laboratories, research and development institutions and OEMs with our smaller pumps.  

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