Conversion to gas lubrication extends MBTF from a few months to over 3 years
A Czechia-based pharmaceutical company was running a stainless-steel mixer vessel fitted with a John Crane T7700 90mm seal. Operating parameters are 80rpm, 130°C at 3 barg Client challenge: The liquid-lubricated seal was regularly failing within a few months. Repairs were carried out in-house but the frequesnt failures continued. The client needed to find a better […]
Dynamic Testing of Gas Seal Gives Pharmaceutical Manufacturer Added Reassurance
A pharmaceutical company based in Ireland had several Goulds STX pumps fitted with John Crane T2800E/0349 pressurised double gas lubricated mechanical seal cartridges. The pumps operate at 2900 rpm and the product temperature is ambient. Barrier gas is nitrogen. Client challenge: The company was looking for a more responsive service and higher quality seal repairs […]
Responsive Fluiten mechanical seal support for UK Combined Cycle Gas Turbine (CCGT) Power Plant
Fluiten BL3X/110 seal cartridges for Termomeccanica Boiler Feed Water (BFW) pumps sourced to ensure no overrun on a planned outage. The pumps operate at 2900 rpm, water temperature is 159 deg C and pressure is 35 Barg. Client challenge: A UK CCGT power plant needed 4 off new Fluiten seals to replace the installed seals […]
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 […]