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  1. AcesHighJoker

    passage dimensions & fluid behavior

    One more thing... Pick up a Fluid Power Designers' Lightning Reference Handbook. It will contain the charts you are looking for as well as many, many more helpful formulas and common component information.
  2. AcesHighJoker

    Drilling a power beyond port in Commercial valve end plate

    To be honest your best bet is to take it to a local service center to have that work done. Unless you have the drill, ream and tap to properly do the job it will be quite difficult to do on your own. Use at least an auto feed drill press with coolant. Remember their usually soft cast iron and...
  3. AcesHighJoker

    Sealing NPT threads, tape v. anaerobics ?

    Tape when used correctly is just fine(or even better!). However, in my experience I have rarely seen it used correctly. Many company's have now enforced a no tape policy as a result. That said... I also agree with eliminating NPT threads. There are other options available that seal more...
  4. AcesHighJoker

    passage dimensions & fluid behavior

    Pressure and flow are different variables. There are many ways to change the flow rate of a given system. However to do so efficiently means designing a system with that intention in the first place. Here's a couple of guidelines: Try not to exceed these flow rates for maximum efficiency. 4...
  5. AcesHighJoker

    Subsea Hydraulic Systems Design Text

    While I cannot suggest any particular text to help you I can suggest a couple of solutions to control pressure more consistently on long conductor systems. While studying pneumatics which is, obviously, compressible, discussion on efficiency was a common theme. By relocating valving as close to...
  6. AcesHighJoker

    hydraulic cylinder testing - "proof" test

    Further info: ANSI Hydraulic Fluid Power- Systems Standard for Stationary Industrial Machinery (NFPA/JIC T2.24.1-1990) Integrity(Linear Actuators) a) Size, mounting and member strengths shall be designed for maximum expected column loads at full extension or any other limiting position withing...
  7. AcesHighJoker

    hydraulic cylinder testing - "proof" test

    As a standard practice proof pressure should be 200% of working pressure and burst should be 400%. This is standard practice, however not all manufacturers stick to the same principals. Hoses, however, all should strictly adhere to this practice.
  8. AcesHighJoker

    Advanced Fluid Power Text

    For what it's worth. Eaton's "Fluid Power Industrial Hydraulics Manual" 4th edition was the only text I used aside from the formula packets produced by my instructors to pass the International Fluid Power Society's "Certified Fluid Power Hydraulic Specialist" examination. (If that's not a...
  9. AcesHighJoker

    Emergency water line purge with compressed air/gas

    Ice, I believe you are suggesting using a 3 way valve so you can run liquid through the gas valve? Is that what you are suggesting? You would likely run into a problem with sealing materials, it would be much safer to run a water valve on one side of the setup and an air valve on the other. If...
  10. AcesHighJoker

    Dash Sizes

    I wanted to comment on this so I signed up for the forum. Out of my own curiosity A question... is the larger cylinder doing work during its entire extension? It is also possible to setup a regenerative circuit by pressurizing both the rod end and cap end of the cylinder at the same time. Thus...
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