Big Directional Valves

[@alihadi995]

I so sad that you haven't upoload for last 2 years,your content is the best educational video i have ever seen

[@JKTCGMV13]

LunchBox Sessions is goated

[@ichgehtdichnixan7847]

Thank you, great help since I have to learn all the hydraulic basics.

[@johnevan7737]

Thanks for the video Carl’s Lunch Box Session.In your last session regarding pilot operated relief valve, you mention that you should change the 20 psi light spring of the main poppet if we put remote control relief valve.Keep safe always.

[@johnevan7737]

My question is,on what situation or condition we should change the light spring of the main poppet if we put remote control on the vent port? Thanks .

[@ramifayez5680]

Good job you did make it easy for beginners to understand how does the internal parts of valve act's during operation.

[@jordiperez2519]

Interesting alternative option of control valve: sending pressure in neutral position to both sides to center the main spool, I don't heard before about it. Thanks Carl

[@CarlDykeHydraulics]

No problem. In fact the larger Caterpillar excavators use that method - pressure to both sides of the spool to center, then reduce pressure gradually (proportional) on one side to allow the spool to shift.

[@jordiperez2519]

Carl, then we are talling about "negative pilot signal" like some ancient valves in pneumatics. Thanks for asnwer

[@Callaw2k]

Thanks man, greetings from Estonia!

[@muftahalwerfaly]

We buy flash memory from you on interesting information

[@felipecoronado5910]

Muchas gracias por la información esta muy bien ilustrado 👍👍👍👍

[@garvinsimmons]

Excellent thank you

[@celsobaronedemelloesilva7837]

Excelente! Aula mestre! muito obrigado.

[@darshanbhavsar1567]

OK sir understood thank you!!!

[@karimadel5911]

if the solenoid is installed at sides of main valve will the high flow forces close the valve against weak solenoid force ? what will happen exactly

[@tonyzaia2309]

Please enable in setting up your videos subtitle translation for the Portuguese