Hengyuan HY Series Hydraulic Pump HY107Y-RP HY125Y-RP HY63S-RP(LP) Hydraulic Oil Pump

Q1: What does RP / LP mean?

A: RP means pressure port on right side (view from shaft end). LP is low power control type, reduce input power under high pressure.

Q2: What is the difference between Y type and S type?

A: Y = constant pressure control; S type with different control structure, HY63S-RP(LP) is low power variant.

Q3: What hydraulic oil should we use?

A: Recommend ISO VG46 anti-wear hydraulic oil, oil temperature 20~55℃.

Q4: What is your lead time?

A: Most models in stock, 3-7 working days after deposit. Custom version needs 15-25 days.

Q5: Can it replace CY piston pump?

A: Yes, HY series is interchangeable with CY series axial piston pump for most installation dimensions.