Hefei Changyuan Hydraulic Co., Ltd

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★ High-strength cast iron material shell has strong bearing capacity, high working pressure

★ Patented design technology makes oil pump long life and high reliability

★ The inlet and outlet connections are available in thread, flange, etc.

★ Two different modular oil pump combinations for large and small displacement combinations

★ Axial clearance automatic compensation mechanism enables the oil pump to maintain high efficiency for a long time

★ Input shaft connection form has flat key, rectangular spline, SAE involute spline, metric involute spline

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Product manual

Model Coding:

① Product code

② Fore pump nominal displacement

③ Central pump nominal displacement

④ Hind pump nominal displacement

⑤ Mounting B:Square

⑥ Joining Port  F: Flange

⑦ Shaft end  P: plain key φ: SEA spline  H: Recetangle spline

⑧ Rotation  L:Left (Counterclockwise)  R: Right (Clockwise is omitted)



Model Nominal displacement Pressure Speed Volumetric efficiency Weight
(mL/r) (MPa) (r/min) (≥%) (kg)
fore pump/central pump/hind pump Rated Max. Max. Rated Max.

CBVH80/80/32-BF** 80/80/32 20 25 800 2000 2500 92 51.9
CBVH63/63/25-BF** 63/63/25 48.4
CBVH50/50/20-BF** 50/50/20 46.7
CBVH40/40/16-BF** 40/40/16 45.1
CBVH32/32/14-BF** 32/32/14 43.5
CBVH25/25/10-BF** 25/25/10 42.2