Installation, use, maintenance and fault handling guide for the Crane FKX 9000 three‑eccentric butterfly valve.
This manual provides step‑by‑step instructions for installing the Crane FKX 9000 three‑eccentric butterfly valve, including proper handling, flange connections, welding guidelines and torque settings. Safety precautions, pressure testing procedures and recommended transport and storage practices are also covered.
Operational guidance covers manual and powered actuator use, normal operating cycles, periodic inspection, and detailed fault diagnosis with repair recommendations. Material specifications, dimensions and optional design options are listed in the later sections. This manual is written in Chinese.
| Valve Body Material | Carbon steel A216 Gr. WCB or stainless steel A351 Gr. CF8M |
|---|---|
| Size Range (DN) | DN 80‑350 (3"‑14") and DN 400‑1600 (16"‑64") |
| Pressure Test – Open Position | ≤ 1.5 × PS |
| Pressure Test – Closed Position | ≤ 1.1 × PS |
When the valve is open, the test pressure must not exceed 1.5 times the rated pressure PS.
The valve body is made of carbon steel A216 Gr. WCB or stainless steel A351 Gr. CF8M.
The valve is offered in DN 80‑350 (3"‑14") and DN 400‑1600 (16"‑64") sizes.