Sealing High-Speed, High Pressure Pumping Duties
01 March 2002
Flowserve has developed critical duty seals for pumps running at speeds
in excess of 12,000rpm, operating pressures in the region of 100bar and
static pressures over 400bar. Various types are offered: the UHTW range
is supplied in single, tandem or double seal arrangements, in a choice of
materials to suit the application, while the QB API682 compliant Type A
seal - also available in single or dual arrangements - is designed with
the oil and gas industry in mind.
The GSL dry-running back-up seal can be used as a secondary unit in a
tandem seal arrangement, its 'wavy' face design providing lift-off at the
seal faces to avoid damage. Existing GS seal users can obtain an upgrade
- the GSLX - which will convert their seals to the latest technology.
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