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Hydraulics

Hydraulics

Accumulators

How does an accumulator work?

How much fluid volume can an accumulator deliver to a fluid system?

Why is my 4L bladder accumulator not providing 4L of oil to the system?

What does charging and discharging of an accumulator mean?

What is pressure ratio?

Why is pressure ratio important?

What are the recommended pre-charge pressures?

Can accumulators be shipped with a pre-charge?

How often must I check gas pre-charge pressure on my accumulator?

Is there a way to monitor gas pressure?

What is gas permeation and how much should I expect from my accumulator?

Is an accumulator shell repairable?

Can I affix a lifting eye/lug to the accumulator for positioning purposes?

Do you have an MSDS sheet for your accumulators?

Do you test your accumulators? If so, by what means?

Are there limitations on accumulator installation positions?

How do you store a bladder accumulator?

What is the life expectancy of my accumulator?

What bladder material do I need?

What bladder repair kit and/or seal kit do I need for my accumulator?

Do you sell seals separately?

Do I have to order a complete repair kit or can I just order the part I need from the repair kit?

Does HYDAC still offer accumulators with ''A'' designated as the country code?

Do I have an SB330 (3000 PSI) or SB600 (5000 PSI) model accumulator?

How do I replace my poppet valve?

I have a 50L bladder accumulator, is this model still available for purchase?

Can a diaphragm accumulator be repaired?

Can I purchase a diaphragm accumulator with an ''E2'' style gas valve?

What charging & gauging kit do I need?

Can I replace just the head assembly on my FPS & FPK charging and gauging kits?

If my nitrogen gas bottle has a pressure reducer/regulator connected to it, what adapter will I need?

Can I buy an FPU charging kit?

Are charging instructions available?

Why is there an allen wrench in my FPK charging kit?

How do I install a permanent gauging block?

Are SAB blocks still available?

Where can I find the ASPlight accumulator sizing program?

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Compact Hydraulics

What do the model codes mean?

Are the stated flows in the catalog at 0 PSI?

Can the motors run at 50 Hz?

What does Short Term/Intermittent Duty Mean?

Does this mean the components are rated for intermittent duty?

What is the P option for?

Why do single phase motors ship with capacitors?

We have just installed a new HYDAC power unit and it seems to be running very hot.

My application requires more usable oil volume. Do you have a larger tank than what is shown in the literature?

Is there a DC motor Option with the CA or HP Series Power Units?

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Cartridge Valves

What is the operating principle of the AquaSensor?

How does the water move into and out of the sensor?

How does the sensor know the saturation point of a given oil, since different oils can dissolve different amounts of water?

What relation between water vapor pressure and saturation level?

What is the advantage of measuring the saturation level rather than PPM?

What is the desired saturation level in hydraulic and lubrication systems?

What is the best location for installing the AquaSensor in a hydraulic/lubrication system?

What fluids can be used with the AquaSensor?

What viscosity limits are there?

Are there any other limitations to using the sensor?

How often does the AquaSensor need to be calibrated?

Glossary

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Standard Coolers

What is the inlet and outlet port on your heat exchangers?

Can the motor rotate in both directions?

Can I reverse the fan to change from a Pull to Push style air flow (or Push to Pull)?

Do you have a wiring diagram for the motor?

Can I add the internal bypass to the cooler on my machine? Can I remove the internal bypass from the cooler on my machine?

Can my electric motor run at 50 Hz?

Do you have heat exchangers that use water for the cooling medium?

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Hose

Parker 381-8 hose

Pumps

AA10VO 45 Pump max volume

Rexroth Rebuild Kit R900984022