Tsurumi Pump SFQ series cast stainless steel pumps

Tsurumi Pump has designed the cast 316 stainless steel SFQ series pumps specifically for corrosive water applications including seawater, brine and even leachate in settling ponds.

The SFQ range includes 2″ and 3″ three-phase pumps with heads up to 44 m and flows to 2000 Lpm. They feature a high-capacity semi-open-style impeller that will perform in tough conditions.

The stator housings of the SFQ series are cast and machined 316 stainless steel, as well as the casings, impellers and suction covers.

The grade of stainless steel used has a higher content of carbon for strength. It also has a high proportion of nickel and molybdenum for improved corrosion resistance. No welds are required, which means no pitting and reduced oxidisation. This material is also capable of withstanding abrasive liquids.

Tsurumi incorporates a number of features that enhance the life expectancy of the pump and cut maintenance costs. These include an anti-wicking cable gland so that water is prevented from wicking down inside the cable. The motor is protected even if the cable is damaged or the end accidentally immersed.

All Tsurumi pumps have a double silicon carbide mechanical seal. Both seal surfaces are submerged in an oil chamber, well away from the pumped liquid. An oil lifter ensures the mechanical seal faces are always lubricated and cooled, even if the pump is installed horizontally.