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RClick to edit Master text styles Second level Third level Fourth level Fifth level!     S  Tgֳgֳ ?``  >*  Tgֳgֳ ?`   @*  Tgֳgֳ ?`   @*8 0  0l2  <1?l2  <1?M-l   <1?%l   <1?K%0l2   <1?U&rH   3 BCDEF1?ss|  }ytojhfdb`]\ZWTQOMLLLKKKKJIGD@<841.,*('%# @H  0޽h? ? Default Designt0 4,(    T[gֳgֳ ?P   [ P*    T4[gֳgֳ ?   [ R*  j  s *1 ?  [:  T,[gֳgֳ ? @ [ RClick to edit Master text styles Second level Third level Fourth level Fifth level!     S  Z[gֳgֳ ?`P  [ P*    Z[gֳgֳ ?`  [ R*  H  0޽h? ? ̙33h 80 (     Tgֳgֳ ?P    >*   T<`\gֳgֳ ?    @*   Zdf\gֳgֳ ?`P  \ >*   Zlj\gֳgֳ ?`  \ @* H  0޽h? ? ̙33 % g_0(    Z}gֳgֳ?| l bMulti-ratio pumpHH  ^  61?  l Q  Q ,$D0  3 BCDEF1?''EEFDt@9/#=_|`C&&08AJ QY_elqy~qF&OP@Q ,$D0 B  `?+-,$D0 <    Z!gֳgֳ?x g3Extends cylinder under moderate load with high flow4 4^  61? l m  m ,$D 0B   <8c?m,$0B   <8c? ,$0   Z&gֳgֳ?B ,$0 6Flow     `gֳgֳ?m  ,$0 :Pressure     Z +gֳgֳ? j ' ,$0 :     LBC!DETF\8c? 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U<}si`aW/OH@[3'q| +,@` 2,$0 ( Z@Ugֳgֳ?@ ,$0 DLow Ratio Mode b8  ( (  `EUgֳgֳ1?qm+ : f ( 61? o (  `HUgֳgֳ1? :  (  `pGUgֳgֳ1? : ^2 ( 61?H ( 0޽h ?  % KCp0(  0 0 ZVUgֳgֳ?| l bMulti-ratio pumpHH  ^ 0 61? A l Q  0Q ,$D0 0 3 BCDEF1?''EEFDt@9/#=_|`C&&08AJ QY_elqy~qF&OP@Q ,$D0 0B  `DaU?+-,$0 <   0 ZdZUgֳgֳ?x g3Extends cylinder under moderate load with high flow4 4^ 0 61? ?l m  0m ,$0B  0 <8c?m,$0B  0 <8c? ,$0  0 ZhUgֳgֳ?B ,$0 6Flow   0  `kUgֳgֳ?m  ,$0 :Pressure    0 Z|pUgֳgֳ? j ' ,$0 :   0  LBC!DETF\8c? U<}si`aW/OH@[3'q| +,@` 2,$0 0 Z?@@?>;951-( KL@H x 0޽h ?  % 3(    Z|Xgֳgֳ?| l bMulti-ratio pumpHH  ^  61? q l A A,$D0  3 BQCDEF1?''P### 1 FYk{110/+(#OP@A,$D0 B  `X?[M,$0 <    ZXgֳgֳ?x g3Extends cylinder under moderate load with high flow4 4^  61? ol m  m ,$0B   <8c?m,$0B   <8c? ,$0   Z(Xgֳgֳ?B ,$0 6Flow     `Xgֳgֳ?m  ,$0 :Pressure     Z$Xgֳgֳ? j ' ,$0 :     LBC!DETF\8c? U<}si`aW/OH@[3'q| +,@` 2,$0  Z$Xgֳgֳ?@ ,$0 DLow Ratio Mode b8 q/ q/   `8Xgֳgֳ1? m+ : f  61?q    `dXgֳgֳ1?/ :    `Xgֳgֳ1? : B @ B8c? ,$0B @ 68c? 0 ,$0B  <8c? 0  ,$0  ZXgֳgֳ?  ~ ,$0 ; KDRV Open     |BCDElFt8c?}Jr|0sh]wP?B 2"W0 bo1778@,$ 0    `Xgֳgֳ? pWu,$ 0 EHigh Ratio Mode   3 BaCDEF1?%%    TVY[]^_``` ` _^][YVT KL@0!   Z@Xgֳgֳ?,$D0 NClick to advance to next slideH  0޽h ? K$ % ##HI_#(  d  <1?%  p  HA1?%% ^  61?J ^  61? R ^  61?K U ^  61? U V d  <1?!v d  <1?# ^  61?x^  61? x d  <1? %> d  <1?J @ Q d  <1?J BQ ^  61?J ^  61? Q ^  6f3f31?  > Q p  Hf3Af31?J DQ dB  <8c? ** dB  <8c? * dB  <8c?  dB  <8c?  F )^    ^ ) l2  <8c??^  lB  <8c?  lB  <8c?)  dB  <f38c?R W F   :   :l2  <f38c?#  lB  <f38c?e  :lB  <f38c? f :F tE   tEr2 ! B f38c?J0lB " <f38c?tlB #B <f38c?sEdB $ <f38c?|dB % <f38c?J dB &@ <f38c?e dB ' <f38c?:e e J dB ( <f38c?e e dB ) <8c? ` ^B * 68c? ` ` ^B + 68c?N N  , Z <8c? DD  ? ZTagֳgֳ?3    = KDRV (Open)   @ Zgֳgֳ?   6CVS1  A Zgֳgֳ? 2 6CVP1  B Z\gֳgֳ?E , 6CVP2 p C HA1? %%  ^ D 6f3f31?J  >   F Zȶgֳgֳ?,$D 0 NClick to advance to next slide G Z$gֳgֳ? % TThe cylinder moves rapidly under low load using the area of the hydraulic piston rodU U H Z?gֳgֳ?  >Multi-ratio pump  how it works  HH   I Z"6 gֳgֳ?P 4,$D 0 POil Pressure Out (Low Ratio) H  0޽h ? m" % !!0FF!(  d  <1?%  p  HA1?%% ^  61?J ^  61? R ^  61?K U ^  61? U V d  <1?!v d  <1?# ^  61?x^  61? x d  <1? %> d  <1?J @ Q d  <1?J BQ ^  61?J ^  61? Q ^  6f3f31?  > Q p  Hf3Af31?J DQ dB  <8c? ** dB  <8c? * dB  <8c?  dB  <8c?  8 )^   ^ ) l2  <8c??^  lB  <8c?  lB  <8c?)  dB  <f38c?R W 8   :  :l2  <8c?#  lB  <8c?e  :lB  <8c? f :8 tE #tEr2   B 8c?J0lB ! <8c?tlB "B <8c?sEdB $ <8c?|dB % <8c?J dB &@ <8c?e dB ' <8c?:e e J dB ( <8c?e e dB ) <8c? ` ^B * 68c? ` ` ^B + 68c?N N  , Zd[gֳgֳ?   AAir Pressure In  - Zl [gֳgֳ?  \  9Exhaust  . Z [gֳgֳ?  6Tank dB /@ <f38c?  dB 0 <f38c? _ d 1 <f31?` c ^B 2 6f31?_ CC dB 3 <f31? ? Q dB 4 <f31? P { dB 5 <f31? | d 6 <f31? e pR 7 HG.*f31? d dB 8 <f31? I dB 9 <f31? II dB :@ <f31? I dB ; <f38c? dB < <f38c? dB = <f38c?  D dB > <f38c? DD  ? Z [gֳgֳ?3    = KDRV (Open)   @ Z [gֳgֳ?   6CVS1  A Z[gֳgֳ? 2 6CVP1  B Z [gֳgֳ?E , 6CVP2 p C HA1? %%  ^ D 6f3f31?J  >  E Z$[gֳgֳ? A When resistance is met and pressure builds, KDRV opens and fluid on the  push stroke goes back to the tank.m m  F Z )[gֳgֳ?,$0 NClick to advance to next slideH  0޽h ? + % **@RR%*(    Z1[gֳgֳ?  QOil Pressure Out (High Ratio) d  <1?%  ^  61?J ^  61? Q ^  61?K U ^  61? U V d  <1?!v d  <1?# ^  61?x^  61? x d  <1? %> d  <1?J @ Q d  <1?J BQ ^  61?J ^  61? Q p  Hf3Af31?  > V ^  6f3f31?J DQ dB  <f38c? ** dB  <f38c? * dB  <f38c?  dB  <f38c?  8 )^   ^ ) l2  <f38c??^  lB  <f38c?  lB  <f38c?)  dB  <f38c?R W 8   :  :l2  <f38c?#  lB  <f38c?e  :lB  <f38c? f :8 tE #tEr2   B 8c?J0lB ! <8c?tlB "B <8c?sEdB $ <8c?|dB % <8c?J dB &@ <f38c?e dB ' <f38c?:e e J dB ( <f38c?e e ^B ) 68c? ` dB * <8c? ` ` ^B + 68c?N N  , Z@[gֳgֳ?   AAir Pressure In  - ZD[gֳgֳ?   9Exhaust  . ZH[gֳgֳ?  6Tank dB /@ <f38c?  dB 0 <f38c? _ d 1 <1?` c ^B 2 61?_ CC dB 3 <1? ? Q dB 4 <1? P { dB 5 <1? | d 6 <1? e pR 7 HG.*1? d dB 8 <f31? I dB 9 <f31? II dB :@ <f31? I dB ; <8c? dB < <8c? dB = <8c?  D dB > <8c? DD  ? ZPP[gֳgֳ?3    = KDRV (Open)   @ ZPT[gֳgֳ?   6CVS1  A ZW[gֳgֳ?2 6CVP1  B Z[[gֳgֳ?E , 6CVP2 p C HA1?% p D Hf3Af31?J  >   E Z^[gֳgֳ? POn the  pull stroke, the KDRV is closed to allow for fluid to fill on the  push side. The ratio on this stroke is based on the piston diameter minus the rod diameter 0 F Z4e[gֳgֳ? F/ tDuring the  pull stroke, the fluid exits in the high mode; ;^2 G 6f3f31?mo^2 H 6f31?-^B I 61?,^B J 61? "H K Zh[gֳgֳ?/ X Pull area based on piston dia.  rod dia. - -,^B L@ 61? 0 ^B M@ 61? 0 dB N <1?  O Z(n[gֳgֳ?p`    3A   P Zr[gֳgֳ? `  M  3A   Q ZHt[gֳgֳ? ;Sec. AA   R Zw[gֳgֳ?,$0 NClick to advance to next slideH  0޽h ?  % \TP(    Z[gֳgֳ? R NMulti-ratio Pump Example h  Z[gֳgֳ?u xThe air piston diameter = 3.569 in The hydraulic rod diameter = .798 in The hydraulic bore diameter = 0.874 in Jy "T*  Zx[gֳgֳ?D>  The air piston area = p/4 x D2 = 10 in2, The hydraulic rod area = 0.5 in2 The hydraulic bore area = 0.6 in2 The ratio on the push stroke is 10/0.5 = 20:1 The ratio on the pull stroke is 10/(0.6-0.5) = 100:1  "!d  Z[gֳgֳ? - bThis pump will act like a 20:1 unit until the KDRV opens and then it will perform as a 100:1 unitc c   Z\[gֳgֳ?,$0 NClick to advance to next slideH  0޽h ?  % `(  {  Z[gֳgֳ? Multi-ratio pumps allow for rapid cylinder extension with a high flow, low ratio mode at low to moderate loads, employing the high pressure mode only when needed at the end of the stroke    LBC!DETF\8c? U<}si`aW/OH@[3'q| +,@ ` 2,$ 0B @ B8c? ` ,$ 0   |BCDElFt8c?}Jr|0sh]wP?B 2"W0 bo1778@  ,$ 0B @ 68c?0 `  ,$0B  <8c?0  0 ,$0  ZP[gֳgֳ? ^ ,$0 ; KDRV Open    Z[gֳgֳ?@ ,$ 0 DLow Ratio Mode     ` [gֳgֳ?0 pW ,$ 0 EHigh Ratio Mode B  <8c?,$0B  <8c? ,$0  Z[gֳgֳ?B ,$0 6Flow    `[gֳgֳ?  ,$0 :Pressure    Z[gֳgֳ? ,$0 R"Pressure vs. Flow Multi-ratio Pump# #   Z([gֳgֳ?,$0 NClick to advance to next slideH  0޽h ?  % ]U(  |  Zugֳgֳ?@ ,$0  Performs functions of two pumps Saves time and energy Conserves compressed air Flows to 6 GPM Pressures to 10,000 psi"   Z`mgֳgֳ?@,$ 0 USummary of Multi-Ratio Pumps:   Z8gֳgֳ?` ,$D0 X(Click to start over& H  0޽h ? >0 p(     T1 ?   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DD  ? Zgֳgֳ?3  r  ? KDRV (Closed)  @ ZѦgֳgֳ?   6CVS1  A ZԦgֳgֳ? 2 6CVP1  B ZXئgֳgֳ?E , 6CVP2 p C HA1? %%  ^ D 6f3f31?J  >   F Z ܦgֳgֳ?,$D 0 NClick to advance to next slide G Z(gֳgֳ? % TThe cylinder moves rapidly under low load using the area of the hydraulic piston rodU U H Zxgֳgֳ?  >Multi-ratio pump  how it works  HH   I Z gֳgֳ?P 4,$D 0 POil Pressure Out (Low Ratio) H  0޽h ? + % **0RR'*(    Z,gֳgֳ?  QOil Pressure Out (High Ratio) d  <1?%  ^  61?J ^  61? Q ^  61?K U ^  61? U V d  <1?!v d  <1?# ^  61?x^  61? x d  <1? %> d  <1?J @ Q d  <1?J BQ ^  61?J ^  61? Q p  Hf3Af31?  > V ^  6f3f31?J DQ dB  <f38c? ** dB  <f38c? * dB  <f38c?  dB  <f38c?  8 )^   ^ ) l2  <f38c??^  lB  <f38c?  lB  <f38c?)  dB  <f38c?R W 8   :  :l2  <f38c?#  lB  <f38c?e  :lB  <f38c? f :8 tE #tEr2   B 8c?J0lB ! <8c?tlB "B <8c?sEdB $ <8c?|dB % <8c?J dB &@ <f38c?e dB ' <f38c?:e e J dB ( <f38c?e e ^B ) 68c? ` dB * <8c? ` ` ^B + 68c?N N  , Z<gֳgֳ?   AAir Pressure In  - Z8>gֳgֳ?   9Exhaust  . ZLDgֳgֳ?  6Tank dB /@ <f38c?  dB 0 <f38c? _ d 1 <1?` c ^B 2 61?_ CC dB 3 <1? ? Q dB 4 <1? P { dB 5 <1? | d 6 <1? e pR 7 HG.*1? d dB 8 <f31? I dB 9 <f31? II dB :@ <f31? I dB ; <8c? dB < <8c? dB = <8c?  D dB > <8c? DD  ? ZKgֳgֳ?3  r  ? KDRV (Closed)  @ ZOgֳgֳ?   6CVS1  A Z$Sgֳgֳ?2 6CVP1  B ZlVgֳgֳ?E , 6CVP2 p C HA1?% p D Hf3Af31?J  >   E Z8Zgֳgֳ? POn the  pull stroke, the KDRV is closed to allow for fluid to fill on the  push side. The ratio on this stroke is based on the piston diameter minus the rod diameter 0 F ZPgֳgֳ? F/ tDuring the  pull stroke, the fluid exits in the high mode; ;^2 G 6f3f31?mo^2 H 6f31?-^B I 61?,^B J 61? "H K Zbgֳgֳ?/ X Pull area based on piston dia.  rod dia. - -,^B L@ 61? 0 ^B M@ 61? 0 dB N <1?  O Zhgֳgֳ?p`    3A   P Z Fonts UsedDesign Template Slide Titles'_William IvanoffWilliam Ivanoff