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Consult our engineers at an early stage to ensure that the required standards are fully understood and achieved in the system design.

KTH offers first turnkey package systems for API seal and lube applications

As a supplier of sub-assemblies, KTH engineers are often faced with difficult design challenges, the most common of which is the demand to fit a ‘quart into a pint pot’ when the original plant or process designers have failed to allow sufficient space for auxiliary systems and equipment.

Recent investment in 3D design software has made the challenge slightly easier for KTH as it allows ‘virtual’ construction and visualisation of a system and its enviroment on screen. With this facility layouts can be manipulated until everything fits before manufacturing begins.

One recent contract however demanded the impossible – the space that had been allocated for the auxiliary systems simply wasn’t sufficient. To make matters worse the systems were required for an FPSO conversion and with construction of the vessel well underway, it was too late to reconfigure other plant and equipment to provide more space.

KTH was contracted to supply both a pump lube system and a seal system for the FPSO project and although the systems were for different pieces of equipment and ordered by different manufacturers, the KTH engineering team soon realised there was only one option – a single combined hydraulic system that would serve both applications.

If common requirements such as the bulky cooler unit could be shared then all the other elements including gauges, pipework and reservoirs could be built onto a single compact skid that would fit within the strict dimensional constraints.

With approval of the concept from both pump and seal manufacturers, KTH designed and manufactured the first combined auxiliary package incorporating an API614 pump lube system and API682, Plan53b seal system.

API614 pump lube and seal package unit on skid“Although this initial system was born out of necessity, we feel that the combined auxiliary package is the way forward for many of the applications we see,” explains Richard Ellis of KTH.

“In addition to saving valuable space there are also cost savings to be made through reductions in the amount of pipework and wiring required plus the sharing of components such as gauges and cooler units.

API 614 pump lube and API 682 seal system package unit with shared twin cooler

The package is also easier for the client from a project management standpoint, as it pulls everything under the control of one supplier. We deliver a fully tested ‘plug and play’ auxiliary package skid which requires minimal installation work and so saves further cost by reducing the time required on site for installation and commissioning.

Rationalising the supply chain and designing-out cost are certainly high on the agenda for many projects at the moment and our package system concept fits the bill perfectly."

 

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API Standards

With many years of experience in design and manufacture to API standards including API Standard 614, Lubrication Shaft-Sealing and Control-Oil Systems for Special-Purpose Applications, 5th Edition, we have an in -depth understanding of the requirements and implications.

Email or call now for our API design criteria sheet.