User instructions for installing, operating and maintaining Flowserve L and U Horizontal centrifugal pumps.
These user instructions provide safety guidance, installation steps, commissioning procedures and maintenance schedules for Flowserve L and U Horizontal split‑case, volute‑type centrifugal pumps. The document emphasizes compliance with CE, ATEX and other directives and outlines the responsibilities of qualified personnel.
The manual is organized into sections covering transport and storage, pump description, installation, start‑up, operation, shutdown, routine maintenance, fault diagnosis, parts lists, drawings and certification. It also includes specific safety actions such as draining the pump, isolating pipework and using proper protective equipment before any maintenance work.
| Pump type | split case, volute type centrifugal pump |
|---|---|
| Noise level | 80‑85 dBA |
| Operating temperature range | 5 °C to 80 °C |
The pump must be disconnected from power, drained, and pipework isolated before any maintenance work is carried out.
Start the pump with the outlet valve partly opened to prevent overload and mechanical damage.
Noise exposure should be limited to approximately 80‑85 dBA.