Which pump is described as having its suction nozzle on the opposite side of the casing from the stuffing box, with the suction nozzle facing perpendicular to the shaft axis?

Which pump is described as having its suction nozzle on the opposite side of the casing from the stuffing box, with the suction nozzle facing perpendicular to the shaft axis?

• A. End Suction Pump
• B. Horizontal Pump
• C. Vertical Turbine Pump
• D. Inline Pump

Answer: (A)

The described arrangement is characteristic of an end suction pump. In this type, the suction inlet is at the end of the pump casing and sits opposite the stuffing box, with the suction nozzle oriented perpendicular to the shaft axis. This placement means liquid enters the impeller axially through the end of the casing, while the seal area (stuffing box) is on the opposite side of the casing. This differs from inline pumps, where suction and discharge lie along the same line with the shaft; the nozzle directions would be parallel to the shaft axis rather than perpendicular. Vertical turbine pumps use a vertical shaft, with suction typically at the top and discharge arranged differently, not matching this end-facing, end-of-casing suction layout. The term horizontal pump is too generic to guarantee this specific nozzle-stuffing-box relationship. So, the end suction pump best fits the description.

The described arrangement is characteristic of an end suction pump. In this type, the suction inlet is at the end of the pump casing and sits opposite the stuffing box, with the suction nozzle oriented perpendicular to the shaft axis. This placement means liquid enters the impeller axially through the end of the casing, while the seal area (stuffing box) is on the opposite side of the casing.

This differs from inline pumps, where suction and discharge lie along the same line with the shaft; the nozzle directions would be parallel to the shaft axis rather than perpendicular. Vertical turbine pumps use a vertical shaft, with suction typically at the top and discharge arranged differently, not matching this end-facing, end-of-casing suction layout. The term horizontal pump is too generic to guarantee this specific nozzle-stuffing-box relationship.

So, the end suction pump best fits the description.