Know and Understand Centrifugal Pumps Episode 12 pdf

... pressure gauges, you can achieve Know and Understand Cen tr if ug a I Pumps Know and Understand CUSTODIO c Know and Understand Centrifugal Pumps When vapor bubbles collapse ... liquids through pipes. How do pumps work? The fluid arrives at the pump suction nozzle as it flows through the Know and Understand Centrifugal Pumps and p...

Ngày tải lên: 27/06/2014, 17:20

... 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 1...

Ngày tải lên: 13/08/2014, 09:21

... 12. 7 29 .2 204.7 4500 1371.6 25 .4 645 12. 4 28 .8 20 3.8 5000 1 524 .0 24 .9 633 12. 2 28 .2 2 02. 9 5500 1676.4 24 .4 620 12. 0 27 .6 20 1.9 6000 1 828 .8 24 .0 61 0 11.8 27 .2 201 .o 6500 1981 .2 23.5 ... 26 .7 20 0.1 7000 21 33.6 23 .1 587 11.3 26 .2 199 .2 7500 22 86.0 22 .7 577 11.1 25 .7 198.3 8000 24 38.4 22 .2 564 10.9 25 .2 197.4...

Ngày tải lên: 13/08/2014, 09:21

... 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 ... the NPSHr of the pump. 31 Know and Understand Centrifugal Pumps The Affinity Laws and the impeller diameter ~~ ~~ If the velocity should remain fixed, the...

Ngày tải lên: 13/08/2014, 09:21

... & 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 ... Horsepower. To this day, this has become the standard definition of a horsepower (1 HI’ = n 44 Know and Understand Centrifugal Pumps Turbine pumps This grou...

Ngày tải lên: 13/08/2014, 09:21

... (Figure 7 -5) . Know and Understand Centrifugal Pumps SPECIFIC SPEED (Ns) AT FULL IMPELLER DIAMETER AT BEP 50 0 1.000 1 .50 0 2.000 2 .50 0 3.000 0 5 6 7 8 9 10 11 12 13 14 15 IMPELLER ... 50 0 and 1 ,50 0) generate head with pure centrifugal action. In Francis and Mixed vane impellers (Ns values between 1 ,50 0 and S,OOO), some head is...

Ngày tải lên: 13/08/2014, 09:21

... 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 ... volute. And, on all these family curves, the efficiencies are seen as concentric ellipses. There is very little variation in the presentation of the BHp and Know and...

Ngày tải lên: 13/08/2014, 09:21

... and the tank cools, the pump Know and Understand Centrifugal Pumps liquid from a common system, and discharging the liquid into the same common system. Two pumps running in parallel offer ... in industry. Figure 8-25 R 122 7 Know and Understand Centrifugal Pumps Figure 8-18 . a As mentioned earlier, the system curve with the clean and dirty filt...

Ngày tải lên: 13/08/2014, 09:21

... factor. Know and Understand Centrifugal Pumps ~~~ Figure 8- 30 c $3 3 * a BEST H EFF. ZONE FEET f Hp high Hs high I Hp low Hs low 0 0 - - Q GPM 0 Figure 8- 31 parallel ... its BEP on the curve without damaging the mechanical seal and bearings. 1 __ 135 Know and Understand Centrifugal Pumps 180 " 270" 240"...

Ngày tải lên: 13/08/2014, 09:21

... and all foundation bolts are tightened. w w w 1 49 Know and Understand Centrifugal Pumps normally softer than the shaft material, and abrasives can be absorbed into or imbedded into the ... maintenance, alignment and proper cooling. 147 Know and Understand Centrifugal Pumps Fiaure 11-2 direct and indirect associated costs of its failure and replac...

Ngày tải lên: 13/08/2014, 09:21

... Know and Understand Centrifugal Pumps and space of the complicated camshaft mechanisms and gears were eliminated. On land, the electric motor opened the door to the first practical centrifugal ... maker/tailor. This tailor’s job 171 Know and Understand Centrifugal Pumps LUBRICATION I FLUSH I PACKING COOLING PORT R GLAND FOLLOWER h 4 GLAND STUDS...

Ngày tải lên: 13/08/2014, 09:21

... cities and towns. Material of construction - Almost all elastomeric compounds are available in the O-ring configuration. Fiaure 13-7 187 Know and Understand Centrifugal Pumps - SEALGLAND ... Pressure drop across faces to atmosphere Fiqure 13-13 191 Know and Understand Centrifugal Pumps SUPPLY TUBING SEAL GLAND Fiaure 13-23 The turbo tank Inter...

Ngày tải lên: 13/08/2014, 09:21

... Bypass. 4. Time (cement) 219 Know and Understand Centrifugal Pumps When a seal is installed into a pump, and the motor started, an imaginary line is drawn, and the seal begins a journey toward ... mechanical seal in Know and Understand Centrifugal Pumps The pump shaft must be free to slide through the O-ring. However, crystallizing liquids, accumulated sol...

Ngày tải lên: 13/08/2014, 09:21

... to be the title of our next book. 231 Know and Understand Centrifugal Pumps Although about half of all pumps manufactured in the world are centrifugal (the other half are positive displacement), ... 17-12 - 243 Know and Understand Centrifugal Pumps ir" U Ficlure 14-24 Install the pump back plate and seal chamber assembly. Mount the dial indicat...

Ngày tải lên: 13/08/2014, 09:21

... 249 Know and Understand Centrifugal Pumps - 50 - 40 - 30 - 20 - 10 - 0- 100 200 400 600 800 1000 2000 4000 6000 Figure 17-13 Figure 17 -14 Use a ‘Y’ branch and not ... upport. Reducer Fiaure 17-19 Know and Understand Centrifugal Pumps molybdenum disulfide (moly grease), 178 Pascal’s Law, 4 perfluorocarbon, 206 pipe strain, 149...

Ngày tải lên: 13/08/2014, 09:21