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Knowledge Centre
Reference material written for people who identify pump parts for a living, not for search engines.
How to read a vane pump model code
A practical guide to reading model codes on V, VQ, T6, T7, SQP, V10, V20 and VTM42 frames so you order the right cartridge kit the first time.
Vane pump cartridge kit guide
What is inside a cartridge kit, when to fit one instead of a complete pump, and how to make the repair last.
A4VSO compared with A10VO
A practical comparison of the two axial piston families, covering size range, typical machines, duty and what to expect from a rotary group.
Materials and heat treatment guide
Which materials and heat treatment routes are used for cylinder blocks, pistons, valve plates, vanes and shafts, and why.
How hydraulic pump parts are machined and finished
The production route from bar stock through turning, heat treatment, grinding, lapping, inspection and bench testing.
Design guide for drop-in replacement parts
What has to match for a replacement pump or part to fit without modifying the machine: mounting, shaft, ports, rotation and control.
Model codes and frame size coverage
The vane and piston frame sizes we machine, from 20V and T6C to A11VO 500 and A2FM 1000, and how to identify a frame you cannot find on the list.
Send us the model code and we will quote
Tell us the code stamped on the pump, or send a photograph of the nameplate. You will get the frame, the price and the shipping date in writing.