API American Petroleum Institute pumps

This pump is used extensively in the petroleum industry. This design is similar and yet different from ANSI pumps. It's designed for non-corrosive liquids in applications with high temperature and pressure. It incorporates closed impellers with balance holes (Figure 6-9).

■ Complies with API Standard 610.

■ Made for heavy duty, high temperature and pressure applications.

■ One stage, end suction, back-pullout construction. See more information on this in Chapter 7.

■ The pump's weight and foot supports are mounted on the shaft centerline.

- Designed for high temperature services above 350° F.

This minimizes pipe strain and thermal expansion and distortion.

■ Utilizes a closed impeller with balance holes.

■ The holes reduce stuffing box pressures and balance axial loading.

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