Kaydon K-BOS Oil Seals Improve Performance of Flash Gas Compressors
A compressor user was unhappy with flash gas compressor seal performance on one of their North Sea assets. They needed a more effective and reliable seal solution along with practical advice and service support for sustaining improved reliability. Client challenge: The original OEM seals on 4 flash gas compressors (2 trains) were leaking well over […]
Kaydon K-DGS retrofit improves seal efficiency and compressor performance
The oil seals on a multistage centrifugal compressor in a natural gas pipeline were not meeting performance requirements and the user felt there should be options to improve overall compressor performance. The OEM service team did not respond effectively to customer needs. Consequently, they needed a better solution. Client Challenge:- The user was looking to […]
Kaydon K-MRC retrofit improves compressor seal reliability and eliminates hazardous leakage
Existing labyrinth seals on a Fluid Cat Cracker (FCC) wet gas compressor train were proving unreliable and challenging to control. Leaking H2S was creating a hazardous environment for maintenance personnel. The refinery needed a better solution. Client Challenge:- The labyrinth seals on both LP and HP multistage centrifugal compressors were performing significantly below customer expectations […]
Kaydon K-BOS Oil Seal with bespoke modification delivers improved turbomachinery performance.
A compressor user was unhappy with oil seal performance on a selective hydrotreater compressor at their refinery. Consequently, they needed a more effective and reliable seal solution. They also wanted practical advice and service support for sustaining improved reliability. Client challenge:- The existing oil seals on a selective hydrotreater compressor leaked well over 100 gallons […]
Repair and performance improvement for John Crane T28 Dry Gas Seals
The customer was unhappy with the performance of John Crane T-28 dry gas seals and was looking for an alternative option for seal inspection and repair services plus root cause failure analysis and advice for improved reliability. Client challenge:- When the seals on a Nuovo Pignone compressor were delivering lower than expected performance and the seal OEM’s service offer […]
Laser etched containment seal face replaced
NASH quickly reverse engineers a laser etched seal face to ensure a pump repair is not delayed by a long lead time from the seal OEM. Client challenge Rotating equipment specialists and operators often experience a poor aftermarket response from seal OEMs. This is particularly true for engineered seal designs incorporating a dry running outboard […]
NASH steps in to ensure swift repair
After a rebuilt reclaimed oil pump developed bearing problems within 35 hours of commissioning, a NASH examination found minor damage before restoring the seal for extended long-term service. Client challenge When a rotating equipment service company’s instructions to grease bearings on a rebuilt reclaimed oil pump were misunderstood, knock-on damage to the mechanical seal was […]
North Sea KSB pump seal fully refurbished
The mechanical seal from a KSB submersible pump handling seawater was inspected, restored and return offshore swiftly, as the client requested. Client challenge Rather than go back to the pump OEM, our client asked NASH to inspect and restore proprietary parts of a KSB submersible pump seal with a faster turnaround time and more competitive pricing […]
Raising FPSO turbomachinery seal reliability
Repairing Kaydon barrier seals to consistently higher quality standards at low cost on a Floating Production, Storage and Offloading Vessel (FPSO) in the North Sea’s Norwegian sector. Client challenge A FPSO operator using Kaydon Circumferential Barrier Seals (CBS) fitted to a Dresser Rand compressor train wanted an alternative to its traditional in-house repair facility using […]
Protecting North Sea crude oil production
Eliminating unplanned outages on North Sea main oil line (MOL) pumps caused by poor John Crane seal performance, extending MTBF, stopping output losses and cutting maintenance costs Client challenge Main oil line (MOL) pumps and their mechanical seals are critical to offshore oil production. When one platform operator reported an epidemic of MOL pump seal […]
Cost-saving solution for ageing North Sea platform
Saving £450,000 by upgrading and re-using six Flowserve mechanical seals rather than moving to more costly pressurised double seal systems in the North Sea Client challenge Reduced main oil line (MOL) and MOL booster pump mechanical seal service life was increasing pump outages and costs while seriously jeopardising crude oil output from an ageing North […]