The SPX Johnson Pump brand has a number of ranges of centrifugal pumps, including the CombiSump, CombiSumpMag and CombiPro, CombiProMag & CombiProV, which are ideal for use in numerous offshore utility applications. The pumps are designed for high reliability and manufactured to meet industry standards.
The pumps are a part of Johnson Pump’s Combi-system which provides modular solutions using common components shared across different models. A choice of materials, impellers and sealing options enables these pumps to meet a wide range of application requirements including lube oil, condensate and many types of water pumping duties.
The CombiSump and CombiSumpMag are vertical long shaft sump pumps designed for use with thin liquids. They have a minimum submersible depth and ensure increased reliability with highly effective silicon carbide axial and radial bearings which are permanently lubricated by the pumped liquids. The electric motor is situated at a distance from the pumped liquid and pump depth can be varied using multiple pump shafts with intermediate bearings to meet specific application requirements.
These pumps are designed for low Net Positive Suction Head (NSPH) values with optimised hydraulic performance. They offer easy maintenance in compact form and can meet a wide span of duties. Base plates are designed to meet existing support arrangements for easy installation. The CombiSump offers options for mechanical or packed gland seals. The CombiSumpMag has a magnetic coupling which has the advantage of eliminating leaks with a hermetic seal in a relatively simple pump configuration.
The CombiPro is a range of horizontal centreline supported centrifugal pumps ideal for hydrocarbon duties. They have a standardised seal chamber designed to fit all API 682 seal configurations with a choice of single or dual seal construction and the option of a seal less design using a magnetic coupling in accordance with API 685. All of these pumps are robustly designed, complete units on API 610 base plates. The modularity of the range enables the optimum base plate configuration for each pump/motor combination.
SPX has a great deal of experience supplying pumps to the offshore industry including utility packages for the Norwegian market, where the pumps supplied use components sourced from NORSOK approved suppliers and NORSOK approved painting procedures. The reliability, modularity and flexible design options offered by the Combi ranges ensure high performance with low installation and ongoing maintenance costs.
SPX has a close relationship with the oil and gas industry and vast experience in the supply of pumps through its Johnson Pump, Bran+Luebbe, ClydeUnion Pumps and Plenty brands. A continuous programme of development and the ability to customise to exact requirements ensure optimised solutions which offer high performance and reliability.
Picture: Centrifugal Pumps for the Offshore Industry (Image: SPX)