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Know and Understand Centrifugal Pumps Episode 1 pps

Know and Understand Centrifugal Pumps Episode 1 pps

Know and Understand Centrifugal Pumps Episode 1 pps

... tandem dual seal The back-to-back double seal 14 2 14 2 14 4 14 5 15 3 15 3 15 5 15 5 15 7 15 9 16 3 16 7 17 1 17 1 17 1 17 2 17 3 17 3 17 4 17 5 17 7 17 8 17 8 18 0 18 0 18 2 18 4 18 5 18 6 ... pump 76 76 77 77 78 80 81 82 85 85 92 92 92 96 96 97 11 0 11 0 11 3 11 3 11 6 11 6 11 7 12 0 12 2 12 3 12 4 12 5 12 8 12 8 13 3 13 6 13 7 14 0 14 1 vi i About the Authors Angel ... Throttling 17 Pump Piping Introduction Piping design to drain tanks and sumps The Submergence Laws 19 7 19 8 19 8 19 9 200 202 202 204 209 210 21 1 212 213 2 14 215 222 226...
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Know and Understand Centrifugal Pumps Episode 5 pps

Know and Understand Centrifugal Pumps Episode 5 pps

... 7-5). Know and Understand Centrifugal Pumps SPECIFIC SPEED (Ns) AT FULL IMPELLER DIAMETER AT BEP 500 1. 000 1. 500 2.000 2.500 3.000 0 5 6 7 8 9 10 11 12 13 14 15 IMPELLER ... (REP). On the pump curve, it is seen as in Figure 74. Know and Understand Centrifugal Pumps i 1 - .~ - ~- ~~ ~ ~~ Figure 6 -14 ~ ~- discharge head. It makes for a small piece of ... impellers and pumps. Values at 1, 000 and 20,000 are on the outer fringes. Most pumps register an Nss between 7,000 and 14 ,000 on a relative scale that is easily understood and comparable...
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Know and Understand Centrifugal Pumps Episode 8 ppsx

Know and Understand Centrifugal Pumps Episode 8 ppsx

... shut - on head 1 0 01 0 50 10 0 15 0 Yo Design capacity DUAL VOLUTE PUMP DESIGN Figure 9 -1 5 F- 14 1 Shaft Deflection n LJ LJ Fiqure 9 -11 Fiqure 9 -12 tolerances leaves ... its BEP on the curve without damaging the mechanical seal and bearings. 1 __ 13 5 Know and Understand Centrifugal Pumps 18 0" 270" 240" ~~ Figure 9-6 ~. ~- ~ ~ __ ... Figure 9-9 U Figure 9 -10 13 4 Know and Understand Centrifugal Pumps Presssures are Equal. - ~~~ Figure 9-3 With the pump running at its Best Efficiency Point, and all valves in the system...
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Know and Understand Centrifugal Pumps Episode 11 pps

Know and Understand Centrifugal Pumps Episode 11 pps

... pressurized 7 Figure 13 - 21 19 7 Know and Understand Centrifugal Pumps 50% 50% of face contact 50% force. area sees closing Figure 13 -14 The illustration above (Figure 13 -14 ) shows a perfect ... Setscren. 10 . Gland. 11 . Nuts. 12 . Spacer for spring tension. 13 . Flush line. 14 . Cooling and draining. 15 . Pump body. Figure 13 -18 Double seals Double seals are also known as dual ... Environment outside of the pump 10 0 lbnnZ o ibnn Figure 13 -10 19 0 Know and Understand Centrifugal Pumps f=i 7 INBOARD SEAL OUTBOARD SEAL Ficlure 13 -19 neral tendency with double seals...
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Know and Understand Centrifugal Pumps Episode 13 ppsx

Know and Understand Centrifugal Pumps Episode 13 ppsx

... SYMPTOMS AND CAUSES OF FAILURE FOR POSITIVE DISPLACEMENT PUMPS Symptom Possible Cause Pump fails to discharge liquid. Noisy pump. 6 ,10 ,11 ,I 6 ,17 ,18 ,19 Pump wears rapidly. 11 ,12 ,13 ,16 ,20,23 ... 17 -1) . INCORRECT CORRECT Figure 17 -1 PUMP FMp PUMP E PUMP 238 Common Sense Failure Analysis Source of Problem Suggested CauselRemedy 8. 9. IO. 11 . 12 . 13 . 14 . 15 . 16 . 17 . ... per Second. 16 12 8 4 0 Minumum Submergence in Feet Figure 17 -12 - 243 Know and Understand Centrifugal Pumps ir" U Ficlure 14 -24 Install the pump back plate and seal chamber...
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Know and Understand Centrifugal Pumps Episode 2 pdf

Know and Understand Centrifugal Pumps Episode 2 pdf

... 48.9 54.4 60.0 65.6 71. 1 76.7 82.2 87.8 93.3 10 0.0 10 4.4 11 5.6 12 6.7 13 7.8 14 8.9 16 0.0 17 1 .1 18 2.2 19 3.3 1. 002 1. 0 01 1. 0 01 1. 0 01 1 .ooo 1 .ooo 0.999 0.999 0.998 ... 1. 275 1. 692 2.223 2.889 3. 71 8 4.7 41 5.992 7. 510 9.339 11 .526 14 .696 17 .18 6 24.97 35.43 49.20 67. 01 89.66 11 8. 01 15 3.04 19 5.77 0.204 0.2 81 0.34 0. 41 1 0.494 0.5 91 ... 0.994 1. 172 1. 379 1. 617 1. 890 2.203 2.965 3.943 5 .19 6 6.766 8.735 11 .17 2 14 .17 8 17 .825 22.257 27.584 35.353 41. 343 60.77 87.05 12 2 .18 16 8.22 227.55 303 .1 7 398.49 51 6.75...
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Know and Understand Centrifugal Pumps Episode 3 potx

Know and Understand Centrifugal Pumps Episode 3 potx

... recommendations for surviving cavitation shock waves and vibrations in Chapters 13 and 14 on Mechanical Seals. n 38 Know and Understand Centrifugal Pumps w An increase of the temperature of ... demonstrates the need to seal and artificially pressurize d-a tanks to get the NPSHa above the NPSHr of the pump. 31 Know and Understand Centrifugal Pumps The Affinity Laws and the impeller diameter ... this information, go back into your process plant, and you can prevent and stop the majority of cavitation. Know and Understand Centrifugal Pumps Remember from Chapter 2, the NPSHa formula...
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Know and Understand Centrifugal Pumps Episode 4 ppt

Know and Understand Centrifugal Pumps Episode 4 ppt

... & 47 F1 Know and Understand Centrifugal Pumps Cen trifug a I pumps ~ ~ ~~ ~ Centrifugal pumps perform the same function as PD pumps, but they do it differently. These pumps generate ... temperature and pressure. It incorporates closed impellers with balance holes (Figure 6-9). Complies with API Standard 610 . Know and Understand Centrifugal Pumps Theoretical Centrifugal ... ANSI specs. 61 Know and Understand Centrifugal Pumps Fiaure 5-2 The graph (Figure 5-2) shows the useful work of a pump. Notice that the pump pumps a combination of head and flow. As...
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Know and Understand Centrifugal Pumps Episode 6 potx

Know and Understand Centrifugal Pumps Episode 6 potx

... the TDH of the system. Know and Understand Centrifugal Pumps - - - - - - i c -200 -19 0 -18 0 -17 0 -16 0 -15 0 -14 0 -13 0 IC1 a -12 0 2 c -11 0 a -10 0 Q a Q -90 = - ... centrifugal pumps. See the following curve (Figure 7 -12 ). 35 30 25 20 15 n 10 m I 5 Know and Understand Centrifugal Pumps and friction, can change with temperature or agitation. And both ... Hp. Remember that 10 psi is 23 .1 ft of Hp: 10 psi x 2. 31 SP- gr. Hp = Here is the system curve showing Hs and Hp (Figure 8-3). Know and Understand Centrifugal Pumps 4 , , ...
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Know and Understand Centrifugal Pumps Episode 7 docx

Know and Understand Centrifugal Pumps Episode 7 docx

... system's demands according to the two tank levels, is seen this way (Figure 8 -13 ). H BEP 1 lH I I I I VI 0 Q BEP Q t 10 GPM Figure 8 -13 Know and Understand Centrifugal Pumps ... 8-9). END BEGINNING Figure 8-9 11 0 Know and Understand Centrifugal Pumps Consider all the mathematical gyrations required just to determine the Hv and Hf. This is a lot of math for ... filter, and slowly over time, move toward the left crossing the BEP as the filter screen clogs (Figure 8- 21 and Figure 8-22). The System Curve I * Q GPM 0 Figure 8 -11 Know and Understand...
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