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 […]
4-day turnaround for seal inspection and dynamic test
Many process companies hold replacement mechanical seals in stock to ensure minimum downtime when an operational seal needs replacing. But what if your replacement seal has been in storage for over 8 years? Is it really wise to just install it without a seal inspection? Also, what about the delay and impact on production? Client […]
Upgraded faces for dry running filter dryer seal
A NASH inspection found incorrect face material in a dry running seal caused rapid face wear and poor seal performance. Upgrading the rotary seal rings to a grade of carbon more suitable for operation in dry nitrogen solved the problem Client challenge An Eire pharmaceutical manufacturer needed help to improve the performance of Flowserve Mixerpac […]
Profitable 200K seal repair revenue stream for filter dryer manufacturer
NASH enjoys a partnership with a well-known company that makes and services Filter Dryer equipment, primarily for pharmaceutical manufacturers. Before working with NASH, the company struggled to offer its customers effective aftermarket support for the specialised, engineered mechanical seals used on their equipment because they were totally reliant on the original seal manufacturers who Competed […]