How about more info?
Be specific with the system info.

What kind of presses?
Doing what?
What is the expected operational pressure?
What do you mean they quit working?
Read wrong?
Pump info:
    Max pressure: 4000 lbs
    Application: Pressing metal nail plates into lumber.

Application info:
    We run the press until it hits 2000 lbs of pressure they release pressure. We repeat this process over and over about every 8 minutes.  We have the peruse transducer measuring the pressure from the manifold to the press.

Transducer:
    Name Brand: Hydac
    Max PSI: 3000 measured and 4500 before breaking. Also tried a 9000 psi
    Signal: 2

2011-07-25

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