Hydraulics

Accumulators

• How does an accumulator work?
• What does charging and discharging of an accumulator mean?
• 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 is pressure ratio?
• Why is pressure ratio important?
• 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?
• What are the recommended pre-charge pressures?
• 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?
• What is the life expectancy of my accumulator?
• How do you store a bladder 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?
• I have a 50L bladder accumulator, is this model still available for purchase?
• How do I replace my poppet valve?
• What charging & gauging kit do I need?
• Can a diaphragm accumulator be repaired?
• Can I purchase a diaphragm accumulator with an ''E2'' style gas valve?
• 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?

See less ▼

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?

See less ▼

Cartridge Valves

• What is the operating principle of the AquaSensor?
• How does the water move into and out of the sensor?
• What is the advantage of measuring the saturation level rather than PPM?
• 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 fluids can be used with the AquaSensor?
• 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 viscosity limits are there?
• Are there any other limitations to using the sensor?
• How often does the AquaSensor need to be calibrated?
• Glossary

See less ▼

Standard Coolers

• Can the motor rotate in both directions?
• What is the inlet and outlet port on your heat exchangers?
• Do you have a wiring diagram for the motor?
• Do you have heat exchangers that use water for the cooling medium?
• Can I reverse the fan to change from a Pull to Push style air flow (or Push to Pull)?
• 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?

See less ▼

Hose

• Parker 381-8 hose

Pumps

• AA10VO 45 Pump max volume
• Rexroth Rebuild Kit R900984022