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Reading Centrifugal Pump Curves - National Environmental ...

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centrifugal pump selection, sizing, and interpretation of performance

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Pumps may be classified in two general types, dynamic and positive displacement. Positive displacement pumps are those in which energy is imparted to the liquid in a fixed displacement volume, such as a casing or a cylinder, by the rotary motion of gears, screws, or vanes, or by reciprocating pistons or plungers. Centrifugal pumps are dynamic pumps. Energy is imparted to the liquid by means of a disk with curved vanes rotating on a shaft called the impeller. The impeller imparts kinetic energy to the fluid by means of its shape and high rotational velocity. This energy is transformed to pressure energy when the fluid reaches the pump casing (see Figure 1-12). The pressure head difference between the inlet and the outlet, or Total Head produced by the pump, is proportional to the impeller speed and diameter. Therefore, to obtain a higher head, the rotational speed or the impeller diameter can be increased. To learn more about how a centrifugal pump increases a fluid's pressure, see reference 15. How a pump produces pressure is beyond the scope of this book, but an interesting experiment you can try at home will illustrate a similar process. A small plastic bottle is required to which a string is attached. Twist a rubber band around the bottle’s neck a few times and attach two 3-foot long strings, one on each side of the glass. Tie the other ends of the string together, fill the glass half full with water and hold it suspended from the strings. Start spinning. As you may have guessed, the fluid inside the glass will become pressurized. How do you know that the fluid is pressurized? To prove it to yourself, make a very small hole in the glass bottom. Make the hole just large enough for water to dribble through. Now spin the glass again. The water will spray out of the glass bottom no matter what its position, up or down. ...

Centrifugal Pumps

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Centrifugal Pumps For today’s machinery and tomorrow’s demands, Hypro centrifugal pumps lead the industry! Pump capabilities range up to 440 gpm and 190 psi. With the largest selection of models, Hypro allows you to match the right pump to your equipment and task. Use Hypro centrifugal pumps for chemical spraying and transfer applications. The broad, versatile line includes models with rugged housings of cast iron, stainless steel and polypropylene that stand up to strong chemical attack. Stainless steel pumps are ideal for use with Roundup® or other acid applications. Polypropylene pumps are lightweight and provide excellent resistance to corrosive chemicals. Choose from gear, pedestal, , flange, DC clutch, hydraulic motor and belt drives, as well as models that are closed-coupled to gasoline engines. All of the Hypro centrifugal pumps share these quality features: : • Compatible with corrosive, abrasive and general use chemicals • Models with high volume (440 gpm), high pressure (190 psi) capabilities • Nylon, polypropylene, or GTX impellers on most models • Hydraulically-driven models feature high-efficiency, cast-iron hydraulic motor • Hydraulic motor equipped with proprietary double-lip Teflon seals • Life Guard® silicon carbide mechanical seals standard on all stainless steel pumps and available in select cast iron and polypropylene models (See page 53 for details.) • Viton mechanical seals standard on cast iron and polypropylene models • Standard shafts are stainless steel • Stainless steel wear ring for extended life on cast iron models • Hydraulically-driven pumps are max performance tested using proprietary software 15 15 Gear Driven, Cast Iron Series 9000C-O • Planetary oil-bath gear drive • Port sizes: 11⁄2" NPT inlet, 11⁄4" NPT outlet • Max. fluid temperature: 140°F/60°C • Housing: cast iron • Impeller: Nylon • Pump shaft rotation: CCW* • Weight: 44 lbs./20 kg • Pump seals: Viton/ceramic standard; Life Guard® silicon carbide (B) and Buna-N ceramic available Order Information Model Number Max GPM Max PSI Max RPM 9006C-O 117 78 600 9008C-O 110 75 1000 9016C-O 117 78 600 9018C-O 110 75 1000 9028C-O 110 75 1000 90029 110 75 1000 3430-0334 Seal and o-ring repair kit 3430-0591 Life Guard® silicon carbide seal kit Life Guard® silicon carbide seal - Add sufﬁx “B” (i.e.: 9006C-O-B) ...

Sanitary Centrifugal Pumps

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MSD Pro-Billet Ready-to-Run Chevrolet V8 Distributor, PN ... - Jegs

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Heart Healthy Diet: Low Fat, Low Cholesterol, Low Sodium Diet

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Electrolux Major Appliances 30-INCH SLIDE-IN INDUCTION ...

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DESCRIPTION Housing Assembly, induction, w/electronics Generator, circuit board, left hand, 2 zone Generator, circuit board, right hand, 2 zone Filter, circuit board, large Cooling Fan Assembly, large Communication Cable, generator, 18", to filter, X10/X12 Communication Cable, generator, 6", to filter, X10/X13 Power Cable Set, filter, 18", black, to generator, X7/X1 Power Cable Set, generator, 6", blue, to filter, (2), X1/X8-X1/X55 Power Cable Set, filter, 18", blue, to generator, X8/X2 Power Cable Set, generator, 6", black, to filter, X2/X7-X2/X56 Ground wire, 5.5" Screw ground Subframe, control Control Assembly, glass, black, w/interface Controller, electronic, ES630 Screw, control mtg, 6-32 x .25, (5) Panel, service, stainless Screw, 8-18 x 0.750, black Screw, #8-18 x 3/8, (10) Board, power, UIB Board, power supply, 8V, (2) Board, power supply 318402340 318384488 318402354 318402397 318341200 318341500 5303308449 08016432 5303211311 5303307980 5303324184 5304436875 5304453707 Harness, wiring, control panel Wiring Harness, alimentation, power board, to power supply Wiring Harness, interface, UIB board, to control Harness, wiring, generator Jumper, electronic, (2) Clamp, cord Fastener, wire tie Screw, truss head, 8-18 x 0.375 Screw, 8-18 x 0.500 Screw, 8-32 x 0.437, (4) Screw, 8-18 x 5/16, black Screw, 8-18 X 1/2, black, (3) Screw, 8-18 X 1/2 # Functional Parts * Non-Illustrated Parts PART NO. 318259220 318905600 318570500 318402800 318905702 318905703 318175508 318903105 318365800 318908003 318297303 318359500 318313601 318403202 5304471183 318138801 318126401 318903300 316445501 318603913 5304456367 318562200 318241006 318946400 318562300 318389400 318389000 316517600 318562500 318113111 318601302 318601206 316247800 318373001 5304435874 316247700 318386113 318285079 318294912 318372001 318570600 318579001 5303935061 5303323139 5303323144 318255806 318254916 318259114 318260007 318056298 318293702 DESCRIPTION Back, main Back, main, upper Panel, insualtion, top Plate, cover Panel, side, RH upper Panel, side, LH upper Screw, leveling, w/tee nut Shelf, oven, (2) Rack, broiler pan Shelf, oven Box, bake element Panel, service Bracket, bake element Bracket, service panel, (2) Screw, 6-32 x 17/32 Pan, broiler Insert, broiler pan Rack, oven shelf, (2) Switch, oven light, door frame Bracket, ladder mtg., (4) Rivet, ladder bracket, (8) Sensor Assy, w/switch, and bracket Lamp, oven, (2), halogen BULB, halogen, G9, 40W, 120V Bracket, rod Plate, retainer Seal, ring Spacer, oven door Sensor, oven temp probe Cord, electric Probe, meat temp Receptacle, probe Washer, lock, mtg Bracket, receptacle, temp probe Plate, covering, probe Nut, mounting Insulation, oven wrapper Insulation, oven back Insullation, bake element Insulation, 20.5 x 2.375, 1" thick, (2) Duct, cooling fan Bracket, wire Terminal Block Kit Screw, 10-24 x 0.906 Nut, 10-32 Element, broil, 4000W Element, bake, 2500W, 8 pass Shield, insulation, sides, (2) Panel, rear box Front, oven Spacer, control ...

Fifteen Cell Therapies/Stem Cell Therapies in Phase III Clinical ...

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Bear Meat Recipes - Mountain View Drifter

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