CB K2 - G - (4) / F (4) - (5) (6) (7) (8)
(1) (2) (3) (3)
(1) Product Code
(2) Series Code
(3) Pressure
(4) Nominal Displacement (ml/r)
(5) Installation form: A-Oval
(6) Connection: L-Screw connection / F- Flange connection
(7) Shaft type: K-Metric involute spline
K1-British involute spline
(8) Rotation:R-Right / L-Left
Use cast aluminum front and back cover, cast iron pump body, high bearing capacity
Sealing structure, double modulus tooth profile to improve low noise effect. After the double pump body for casting Aluminum parts, internal floating seat structure
Model |
Nominal Displacement
( ml/r) |
Rated Pressure (MPa) |
Max Pressure
(MPa) |
Rated Speed
(r/min) |
Max Speed
(r/min) |
Weight
(kg) |
CBK2-G25/F3.5-*** |
25/3.5 |
25/20 |
28/25 |
2500 |
3000 |
5.8 |
CBK2-G25/F4.5-*** |
25/4.5 |
5.9 |
CBK2-G28/F3.5-*** |
28/3.5 |
6.1 |
CBK2-G28/F4.5-*** |
28/4.5 |
6.2 |
CBK2-G30/F3.5-*** |
30/3.5 |
6.3 |
CBK2-G30/F4.5-*** |
30/4.5 |
6.4 |
CBK2-G32/F3.5-*** |
32/3.5 |
6.5 |
CBK2-G32/F4.5-*** |
32/4.5 |
6.7 |
The Max nominal displacement can be 36ml/r, for more details please contact us!

Q1: Are you trading company or manufacture?
A: We are a manufacturer specializing in the production of mid-to-high-end hydraulic valves and hydraulic systems.
Our products include proportional valves, balance valves, slewing cushion valves, control valves, integrated valves, integrated systems, hydraulic pumps, hydraulic motors, wireless remote control, etc.
Q2: Can you provide special customization according to the working conditions?
A: Sure, we can design and produce according to your drawing and require.
We are equipped with professional R&D, quality inspection and after-sales teams, covering the entire product process: the R&D team is responsible for technical connection and customized development, the quality inspection team conducts tests on each batch of products to ensure the pass rate, and the after-sales team responds quickly to quality issues and provides guidance, maintenance and support.
Our general warranty is 12 months for product dispatch, first come first served.
Q3: What should I do if I only know the machinery model but cannot provide the part number?
A: If possible, you can send us pictures, nameplates, or dimensions of daily products for reference.
Q4: How long is your delivery time?
A: For express/air, it takes about 5-8 days. For land/sea, it takes about 30-45 days, depends on your address.
Q5: When to ship?
A:We usually receive the payment (full payment), confirm the delivery date, and ship the goods on time.
Q6: Can you provide the sample?
A: We can provide samples, and we can discuss the price of samples more specifically.