In a radial piston pump, reversal and...

🔍 Key Concepts

• Radial piston pump construction – identify which part remains fixed and which can move to change flow direction. • Function of control elements in hydraulic pumps – which component usually directs or ports the fluid. • Reversal of flow – think about which component, when shifted, would send fluid to a different path without changing pump rotation.

💭 Think About

• Visualize a cross-section of a radial piston pump and ask yourself: which part is responsible for routing fluid into and out of the pistons? • Consider which component is most likely connected to the hydraulic control system or actuator rather than just being a moving piston. • Ask: if the pump keeps turning the same way, which single part could I move to reverse where the fluid goes (suction vs discharge)?

✅ Before You Answer

• Identify which part creates pressure (pistons) vs which part directs flow (valving/porting element). • Eliminate any components that mainly serve as structural housing rather than control elements. • Verify which option is commonly designed to shift position to change port alignment and thus reverse or control flow.

In a radial piston pump, reversal and control of fluid flow are accomplished by moving the __________.

central valve

radial plunger

floating ring

cylinder body

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