La Ricambi Udinese:

Technical blog

Problem solving

We offer a complete range of products and services for filtration, but above all the advice and technical assistance necessary to identify the most advantageous treatments for our customers, because they can improve the performance of the machines and, thanks to the programming of maintenance plans, hoc, help prevent breakdowns and arrests in production. La Ricambi Udinese offers hydraulic advice on filtration and similar, retrofitting sizing on filtration in pre-existing hydraulic systems.

WATER HAMMERS

The problem

Hydraulic filter cartridges, are very often designed to operate for filtration flow from outside to inside. The presence of a support is quite always indication of the flow (internal support = outside to inside flow, external support = inside to outside support).

The cause

It’s rare to find filter elements that have support on both sides. When the filter media inflates, or the filter cartridge "swollen" itself dilating to the side without support, we’d be in presence of extra flows (due to some circuit variation, even in fluid viscosity), or it’s easier that we’re facing some water hammers.

The solution

Water hammers are often symptoms of not properly filtered hydraulic circuits: particles flowing in fluid tend to block valve shuttles, this shuttles tend to remain blocked until the applied force to make them moving release them, at this point they move so rapidly that the result is a "water hammer" on the system. So, when you’re in presence of a swollen filter cartridge as the one visibile in this picture, take care to verify rapidly the fluid particle contamination.