AAK Cartridge Needle Valve Safe for 18 Months in the Desert

Castel is from Saudi Arabia, and their company mainly sells oil mining
machinery. At the beginning of last year, one of their hydraulic platforms was
complained, and the equipment went on strike 8 - 9 months later. After
checking, it was found that the shoulder and pin hole of the hydraulic
cartridge needle valve spool in the system were broken. The hydraulic cartridge
needle valve manufacturer advised that the same model of hydraulic cartridge
needle valve was supplied to the South American market. Within 1 year, there
was no complaint. The manufacturer explained that the brittle fracture of the
hydraulic cartridge needle valve spool was caused by the working conditions and
working scenarios. The boss was not satisfied with the manufacturer's buck
passing, and asked Castel to found a manufacturer whose hydraulic cartridge
needle valve can be used for more than 1 year. Based on the requirement of
"hydraulic cartridge needle valve can be used in desert with a service life of
more than 1 year", Castel started to look for new cartridge valve
manufacturers. After 1 week, there was no result. Castel was a little
flustered.

Castel noticed the article published by AAK in B2B that "AAK hydraulic
counterbalance valves have been used in Sandstorm for 12 months, was free of
corrosion”, he emailed us to ask if AAK can customize the hydraulic cartridge
needle valves used in desert with a service life of more than 1 year. After
communication, we learned that he had trouble in purchasing hydraulic cartridge
needle valves. The durability of the hydraulic cartridge needle valve is
related to the material, but the structure can not be ignored, especially for
the complex working conditions, it should be designed specifically. Castel may
have seen hope, and asked AAK to make 20 samples of hydraulic cartridge needle
valves. After 45 days, AAK delivered the trial order.

After the hydraulic cartridge needle valves were sent out for 2 months, there
was no information from Castel. I followed up curiously, and he said that the
boss would not reply until 1 year later, then there was no information anymore.
I almost forgot about Castel. Until last week, he emailed us an order for 600
hydraulic cartridge needle valves, and specially emphasized that the second
batch of hydraulic cartridge needle valves should be of the same quality as the
trial order, not the best, but should not fluctuate. I agree with that. It's
not the best quality, but the stable quality with few failures. Some small
faults can be solved as soon as possible, but they are very troublesome if
happen again and again. The quality should be reliable, and will not require
repair for a year or even longer.

Castel said that AAK hydraulic cartridge needle valves can be used for 18
months. Although the price is a little more expensive than the original
hydraulic cartridge valve manufacturer, the service life is twice that of the
original manufacturer. The sticking point of AAK hydraulic valve is the
stability of function and reliability of performance. This hydraulic cartridge
needle valve focuses on 3 points:

1. The shoulder of the hydraulic cartridge needle valve spool is increased to
the circular radius, which effectively reduces the shoulder stress of the spool
and improves the service life of the spool.

2. The pin hole setting is optimized to reduce the alternating influence of the
load change on the valve spool stress.

3. The cantilever beam of the wedge structure of the hydraulic cartridge needle
valve is changed into a simply supported beam, which increases the stability of
the valve spool and can play an anti vibration role to a certain extent.

AAK hydraulic cartridge needle valve, safe for 18 months, you can also have a
small try!

https://www.aakindustry.com/info-detai , l/cartridge-needle-valves-aak414

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