New models for leak-free, mag-drive pump range

New models for leak-free, mag-drive pump range

Three pump models from Michael Smith Engineers combine a tough ductile iron casing with a Tefzel (ETFE) lining to ensure corrosion resistance and feature powerful neodymium magnets which drive the impeller through a carbon-filled PTFE lined barrier for dependable, leak-free operation.

Finish Thompson UC pumps include the UC1518L, a low flow version of the standard UC1518 which is ideal for applications requiring a higher heads (up to 69 metres) at lower flows (1.13 to 8.6 m³/h), the UC2110is a 4-pole configuration (with a 2-pole version also under development) and the UC6410an exceptionally powerful option designed for flows up to 329 m³/hr.

Features optimise the reliability, efficiency and pump performance to ensure minimal wear on components, lower running costs and extended periods between routine servicing, says the company. A Dri-Coat silicon carbide bearing / shaft option prevents catastrophic failure in the event of short-term dry-running. Also, a two-piece dynamically balanced outer drive magnet with multiple pole options matches drive to motor power for greater efficiency.

This magnet incorporates Finish Thompson’s “Easy-set” mounting system so it can be fitted to the motor shaft without having to measure the magnet set-height and ensures a perfectly set magnet thereby removing a potential cause of misalignment and so improving reliability.

Other features include a Kevlar reinforced barrier which reduces the air gap between driven and driving magnet and so maximises magnetic power to transmission. Using Kevlar for the barrier reinforcement enables maximum working pressure to be increased to 300 psi (20.7 bar).               

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