Please explain PB

   / Please explain PB #1  

ch1ch2

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Joined
Apr 15, 2013
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Location
DFW, TX
Tractor
IH 584, NH TC33DA, NH TN95A
I think I understand PB but I can not understand the reason for it.
Why can one not keep adding oc valves in the return to tank line just like stackable valves?
 
   / Please explain PB #2  
Sure, thats easy :)

Acronym Definition
PB Problem
PB Peanut Butter
PB Pushbutton
PB Plumbum (Latin for the metallic element lead)
PB Polished Brass
PB Packard Bell
PB PunkBuster (gaming anti-cheat project)
PB Point-Blank
PB Playboy (magazine)
PB Publications
PB Paperback (book edition)
PB Pacific Beach (San Diego, California)
PB Personal Best (athletic record)
PB Playback
PB Prison Break (TV Series)
PB Pitney Bowes
PB Para?a (Brazilian state)
PB PowerBook (Macintosh)
PB Powerbuilder (Sybase software development tool)
PB Peripheral Blood
PB Public Bank
PB Played By (roleplay gaming)
PB Power Ball (lottery)
PB Photobucket (online image hosting service)
PB Pit Bull
PB Passed Ball (baseball)
PB Private Banking
PB Power Brakes
PB Pacific Beach (California)
PB Pandora's Box
PB Performance-Based
PB Public Broadcasting
PB Photobook
PB Pot Belly
PB President's Budget
PB Point B
PB Petabyte (1,024 terabytes)
PB Paintbrush
PB Pocket Book
PB Polybutylene
PB Post Box
PB Parts Breakdown
PB Personal Business
PB Presiding Bishop
PB Prussian Blue (ferric ferrocyanide antidote for Cs 137)
PB Particleboard
PB Princess Bride
PB Push-button Switch
PB Private Business
PB Paint Ball
PB Page Break (proofreading; also HTML code)
PB Panera Bread (restaurant)
PB Professional Bookkeeper
PB Pry Bar
PB Performance Bond
PB Points Behind (hockey)
PB Pyridostigmine Bromide
PB Private Brand
PB Printed Board
PB Patrol Boat
PB Parker Brothers (game company)
PB Peptide Bond
PB Particle Beam
PB Penalty Box (hockey)
PB Payback Period
PB Publication Bias
PB Program Block
PB Plate Block
PB Parsons Brinckerhoff, Inc. (engineering firm)
PB Paddington Bear (children's storybook character)
PB Project Book
PB Pull Box
PB Patrol Bomber (US aircraft designation of WW II)
PB Proportional Band
PB Plat Book
PB Pelvic Bone
PB Prime Broker
PB Power Bomb (wrestling move)
PB Paddle Board
PB Phantom Brave (movie, gaming)
PB Page Buffer
PB Property Book
PB Probasin
PB Palladium Books (gaming company)
PB Program Baseline
PB Pulsed Beam
PB Poor Bugger
PB Phonetically Balanced
PB Pepsi Blue (soft drink)
PB Project-Blue (GMod gaming clan)
PB Poly-Butadiene
PB Pool Bottom
PB Pneumatic Brake
PB Plug Board
PB Publications Bulletin
PB Post Boost
PB Pensions Board
PB Primary Branch
PB Personal Base (station)
PB Product Baseline
PB Pass Balanced (Front Page Sports Football '95 et al)
PB Preppy Boy
Pb Probability of Bit Error
PB Plot Bunny (fan fiction)
PB Photon Burst
PB Packet Bus
PB Pulau Bintan (Indonesia)
PB Productive Burp (post surgery)
PB Pax Britannia
PB Probability of Blocking (data transferring)
PB Park Bravo (Turkey)
PB Polar Ball (game)
PB Pharmacopoeia Britannica
PB Phunky ***** (women's group)
PB Privately Baptised (genealogy)
PB Personal Barometer (domestic water consumption calculation application)
PB Pryidostigmine Bromide
PB Pre-Blackout
PB Predicted and Bi-Directional
PB Perkins Bacon, Ltd. (stamp printers, Great Britain)
PB Physical Inventory, Beginning
PB Prefered Bidder (OJEU tendering process)
PB Pro Baddies
 
   / Please explain PB
  • Thread Starter
#3  
Sure, thats easy :)

Acronym Definition
PB Problem
PB Peanut Butter
PB Pushbutton
PB Plumbum (Latin for the metallic element lead)
PB Polished Brass
PB Packard Bell
PB PunkBuster (gaming anti-cheat project)
PB Point-Blank
PB Playboy (magazine)
PB Publications
PB Paperback (book edition)
PB Pacific Beach (San Diego, California)
PB Personal Best (athletic record)
PB Playback
PB Prison Break (TV Series)
PB Pitney Bowes
PB Para?a (Brazilian state)
PB PowerBook (Macintosh)
PB Powerbuilder (Sybase software development tool)
PB Peripheral Blood
PB Public Bank
PB Played By (roleplay gaming)
PB Power Ball (lottery)
PB Photobucket (online image hosting service)
PB Pit Bull
PB Passed Ball (baseball)
PB Private Banking
PB Power Brakes
PB Pacific Beach (California)
PB Pandora's Box
PB Performance-Based
PB Public Broadcasting
PB Photobook
PB Pot Belly
PB President's Budget
PB Point B
PB Petabyte (1,024 terabytes)
PB Paintbrush
PB Pocket Book
PB Polybutylene
PB Post Box
PB Parts Breakdown
PB Personal Business
PB Presiding Bishop
PB Prussian Blue (ferric ferrocyanide antidote for Cs 137)
PB Particleboard
PB Princess Bride
PB Push-button Switch
PB Private Business
PB Paint Ball
PB Page Break (proofreading; also HTML code)
PB Panera Bread (restaurant)
PB Professional Bookkeeper
PB Pry Bar
PB Performance Bond
PB Points Behind (hockey)
PB Pyridostigmine Bromide
PB Private Brand
PB Printed Board
PB Patrol Boat
PB Parker Brothers (game company)
PB Peptide Bond
PB Particle Beam
PB Penalty Box (hockey)
PB Payback Period
PB Publication Bias
PB Program Block
PB Plate Block
PB Parsons Brinckerhoff, Inc. (engineering firm)
PB Paddington Bear (children's storybook character)
PB Project Book
PB Pull Box
PB Patrol Bomber (US aircraft designation of WW II)
PB Proportional Band
PB Plat Book
PB Pelvic Bone
PB Prime Broker
PB Power Bomb (wrestling move)
PB Paddle Board
PB Phantom Brave (movie, gaming)
PB Page Buffer
PB Property Book
PB Probasin
PB Palladium Books (gaming company)
PB Program Baseline
PB Pulsed Beam
PB Poor Bugger
PB Phonetically Balanced
PB Pepsi Blue (soft drink)
PB Project-Blue (GMod gaming clan)
PB Poly-Butadiene
PB Pool Bottom
PB Pneumatic Brake
PB Plug Board
PB Publications Bulletin
PB Post Boost
PB Pensions Board
PB Primary Branch
PB Personal Base (station)
PB Product Baseline
PB Pass Balanced (Front Page Sports Football '95 et al)
PB Preppy Boy
Pb Probability of Bit Error
PB Plot Bunny (fan fiction)
PB Photon Burst
PB Packet Bus
PB Pulau Bintan (Indonesia)
PB Productive Burp (post surgery)
PB Pax Britannia
PB Probability of Blocking (data transferring)
PB Park Bravo (Turkey)
PB Polar Ball (game)
PB Pharmacopoeia Britannica
PB Phunky ***** (women's group)
PB Privately Baptised (genealogy)
PB Personal Barometer (domestic water consumption calculation application)
PB Pryidostigmine Bromide
PB Pre-Blackout
PB Predicted and Bi-Directional
PB Perkins Bacon, Ltd. (stamp printers, Great Britain)
PB Physical Inventory, Beginning
PB Prefered Bidder (OJEU tendering process)
PB Pro Baddies

I do not see any that would fall under the topic of Hydraulics.

PB = Power Beyond
 
   / Please explain PB #5  
I do not see any that would fall under the topic of Hydraulics.

PB = Power Beyond

If you have a valve that has a PB port...it can be used to supply fluid pressure to another valve...PB allows you to expand a hydraulic system...
 
   / Please explain PB
  • Thread Starter
#6  
If you have a valve that has a PB port...it can be used to supply fluid pressure to another valve...PB allows you to expand a hydraulic system...

I get that part.

But you can do the same by butting a valve between the your valves and the return to tank, or for that mater you can and a valve between your pump and your valves. So why would you need a PB port and and a second return to tank line? I have heard for pressure but I do not follow. I have seen pictures showing leaks but again I do not follow.
 
   / Please explain PB #7  
I get that part.

But you can do the same by butting a valve between the your valves and the return to tank, or for that mater you can and a valve between your pump and your valves. So why would you need a PB port and and a second return to tank line? I have heard for pressure but I do not follow. I have seen pictures showing leaks but again I do not follow.
The only way you can add a valve to an existing (open center) system is if the valve has a PB port...otherwise the fluid will return via the path of least resistance i.e., the return port on the original valve...return sides are low pressure to get pressure "beyond" the original valve it must have a PB port...simply trying to use the return line to to the pressure port of a second valve will not work...no pressure...!
 
   / Please explain PB
  • Thread Starter
#8  
The only way you can add a valve to an existing (open center) system is if the valve has a PB port...otherwise the fluid will return via the path of least resistance i.e., the return port on the original valve...return sides are low pressure to get pressure "beyond" the original valve it must have a PB port...simply trying to use the return line to to the pressure port of a second valve will not work...no pressure...!

I hear what your saying but it does not make sense to me. Where and how does it loose pressure? If no valve is used the fluid would flow straight through under pressure just like a stacked valve, would it not?
 
   / Please explain PB #9  
I hear what your saying but it does not make since to me. Where and how does it loose pressure? If no valve is used the fluid would flow straight through under pressure just like a stacked valve, would it not?
Because there would be two valves with two returns...the fluid would just return to the tank via the other return port...if you activate the lever on one of the valves...instead of pressure expanding or retracting a cylinder...it would just flow back to the tank...this is why a "PB Plug" is required on intermediate valves...it closes the passage to the return port...

FWIW....You can "T" return lines...
 
   / Please explain PB #10  
I believe it's because on an open center circuit the flow returns when the control valve is centered and then the return path is opened. At that point there is no high pressure because the valve is in the center position.
 
 
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