Here’s another example of a non-gasket project we recently helped a customer with. The customer sent us an automobile water pump body along with the bearing and seal. There was no drawing available, except for one with the bearing dimensions. He liked our quotation and remarked that the price was much better than he could get in the US, so he placed an order for 300 pieces.
The bodies were cast from a strong aluminum alloy, and then machined in a CNC operation. After bead blasting, the machined assemblies were then placed in a vacuum set-up to absorb an epoxy sealant to ensure against any pin-hole leaks. Each unit was then pressure testing under water to check for any leaks.
We shipped those in four 25 kgs boxes via UPS to the USA. The duty charges only amounted to a bit less than $100, well worth it from our customer’s point of view.
Original pattern pump (L), cast pump (C), and pump after bead blasting (R)
Pattern pump on left, finished pump on right with bearing and seal installed
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