Know and Understand Centrifugal Pumps Episode 14 ppt

... 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 po...

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 generate ... temperature and pressure. It incorporates closed impellers with balance holes (Figure 6-9). Complies with API Standard 610. Know and Understand Centrifugal...

Ngày tải lên: 13/08/2014, 09:21

... Larry Know and understand centrifugal pumps 1 .Centrifugal pumps I.Title II.Custodio, Angel 62 1.6’7 ISBN 1856174093 No responsibility is assumed by the Publisher for any injury and/ or ... displacement pumps Centrifugal pumps Conceptual difference Centrifugal volute pumps Types of centrifugal pumps Overhung impeller Impeller between the bearings Tur...

Ngày tải lên: 13/08/2014, 09:21

... pipe, and food grade Stainless, is rather slick on the ID. This reduces Hf. 21 Know and Understand Centrifugal Pumps NPSHa = Ha + Hs2 -Hvp - Hf - Hi NPSHa = 26.2 + ( -14. 0) - ... I I I Hvp=0.839 I Finiirp 3-1 n 18 1 . Know and Understand Centrifugal Pumps 6. Reduce the losses (Hf) of the connections and fittings in the suction pipi...

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 ... this information, go back into your process plant, and you can prevent and stop the majority of cavitation. Know and Understand Centrifugal Pumps Remember fr...

Ngày tải lên: 13/08/2014, 09:21

... Shut off ’ head 0 Q GPM Know and Understand Centrifugal Pumps The operator of a car would know the limits of his automobile. He would or should know if the car is capable of ... (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 fo...

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 both ... 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 ... 8-9). END BEGINNING Figure 8-9 110 Know and Understand Centrifugal Pumps Consider all the mathematical gyrations required just to determine the Hv and Hf. This...

Ngày tải lên: 13/08/2014, 09:21

... MOST AREA 129 Know and Understand Centrifugal Pumps Rarely do design engineers request the L/D factor in their quotes. Some engineers don’t know they have the option. Most pumps are bought ... from 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

... maintenance, alignment and proper cooling. 147 Know and Understand Centrifugal Pumps Fiaure 11-2 direct and indirect associated costs of its failure and replacement can be substantial. For ... rotation. w w 148 Know and Understand Centrifugal Pumps TYPE DESCRIPTION Ball Bearing - Double Row, self-aligning These bearings have two rows of balls and the...

Ngày tải lên: 13/08/2014, 09:21