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High Viscosity Rotary Pump

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Application:
The rotary pump are used to transfer high viscous media, viscosity is 1.0cst - 300,000cst
(but, NYP0.78, NYP2.3 types pumps 1.0cst-10,000cst),
The range of temperature of the media transferred is -10℃-200℃
(the pump types NYP0.7and NYP2.3 is from -10℃ to 80℃)
The high viscosity pumps are widely used in the chemicals, petroleum refinery factories, medicine manufacturing, dye, paint, and food industry, these rotary pumps are self-priming pumps.

High Viscosity Rotary Pump

Technical data


NYP0.78 High Viscosity Rotary Pumps
Model Diameter mm Theoretical displacement L/1OOrev Viscosity cSt Shaft rotation speed (n) r/min Differential pressure Connection Mode
0.4 0.6 0.8 1
Shaft Power(kw) Volume Flow Rate (Q)L/min
20 1390 0.17/9.3 0.23/9.0 0.28/8.8 0.32/8.6
60 1390 0.18/9.5 0.24/9.2 0.28/9.0 0.33/8.9
NYP0.78 15 0.78 200 1390 0.31/10.4 0.35/10.2 0.39/10.0 0.43/9.9 G1/2"
600 1390 0.39/10.4 0.44/10.3 0.48/10.3 0.52/10.2
2000 910 0.23/6.8 0.27/6.8 0.30/6.8 0.33/6.7
6000 720 0.24/5.4 0.31/6.1 0.30/6.8 0.40/6.8



NYP2.3 High Viscosity Rotary Pumps
Model Diameter mm Theoretical displacement L/1OOrev Viscosity cSt Shaft rotation speed (n) r/min Differential pressure Connection Mode
0.4 0.6 0.8 1
Shaft Power(kw) Volume Flow Rate (Q)L/min
20 1400 0.38/28.4 0.49/27.5
60 1400 0.59/29.2 0.65/28.8
NYP2.3 25 2.3 200 1400 0.61/30.0 0.72/29.6 G1"
600 1400 0.92/31.9 0.96/31.7
2000 910 0.61/19.9 0.68/19.7
6000 720 0.77/16.32 0.83/16.2



NYP3.6 High Viscosity Rotary Pumps
Model Diameter mm Theoretical displacement L/1OOrev Viscosity cSt Shaft rotation speed (n) r/min Differential pressure Connection Mode
0.4 0.6 0.8 1
Shaft Power(kw) Volume Flow Rate (Q)L/min
20 1450 0.69/46.7 0.94/45.9 1.18/45 1.44/43.4
60 1450 0.81/47.5 1.09/46.7 1.37/45.9 1.57/44.7
200 1450 1.06/49.7 1.31/49.2 1.56/48.8 1.79/47.3
NYP3.6 40 3.6 600 1450 1.45/49.9 1.61/49.6 1.77/49.3 1.93/49
2000 960 1.28/34.3 1.41/33.8 1.54/33.7 1.65/33.6 Flange
6000 640 1.08/23.0 1.18/22.9 1.28/22.9 1.37/22.8
20000 583 1.22/20.5 1.24/20.4 1.25/20.4 1.38/20.3
60000 455 0.84/16.3 0.91/16.2 0.98/16.1 1.01/16



NYP7.0 /NYP7.0A High Viscosity Rotary Pumps
Model Diameter mm Theoretical displacement L/1OOrev Viscosity cSt Shaft rotation speed (n) r/min Differential pressure Connection Mode
0.4 0.6 0.8 1
Shaft Power(kw) Volume Flow Rate (Q)L/min
20 1450 1.36/98.1 1.8/96 2.0/94.7 2.4/93
NYP7.0 NYP7.0A 60 1450 1.45/99 1.9/97 2.2/96.4 2.6/95
200 1450 1.62/99.8 2.0/98 2.3/97.5 2.7/97
40 600 960 1.4/62 1.6/65 1.8/44 2.0/64 Thread
7.0 2000 960 1.8/67 2.0/66 2.3/65 2.6/65
6000 640 1.5/44.5 1.7/44 1.8/44 2.0/44
20000 583 1.6/40.5 1.9/40 2.1/40 2.2/40
60000 455 1.46/31.5 1.8/31 1.9/31 2.0/31



NYP24 High Viscosity Rotary Pumps
Model Diameter mm Theoretical displacement L/1OOrev Viscosity cSt Shaft rotation speed (n) r/min Differential pressure Connection Mode
0.4 0.6 0.8 1
Shaft Power(kw) Volume Flow Rate (Q)L/min
20 720 1.8/165 2.3/161 2.8/158 3.4/155
60 720 2.0/166 2.6/164 3.1/162 3.7/158
200 610 1.9/143 2.5/141 3.0/139 3.5/136
NYP24 50 24 600 541 2.1/127 2.6/125 3.0/124 3.5/122
2000 475 2.2/112 2.6/111 2.9/110 3.4/109 Flange
6000 357 2.0/85 2.3/84 2.6/83 2.9/83
20000 303 1.9/72 2.2/72 2.4/72 2.6/71
60000 228 1.6/54 1.8/54 2.0/54 2.3/54



NYP52 /NYP52A High Viscosity Rotary Pumps
Model Diameter mm Theoretical displacement L/1OOrev Viscosity cSt Shaft rotation speed (n) r/min Differential pressure Connection Mode
0.4 0.6 0.8 1
Shaft Power(kw) Volume Flow Rate (Q)L/min
20 720 4.3/362 5.8/355 6.9/348 8.1/340
NYP52 NYP52A 60 720 4.7/364 6.2/358 7.3/352 7.5/346
200 610 4.6/309 5.9/304 6.9/300 8.0/294
50 52 600 541 4.9/275 6.0/271 6.8/268 7.8/264
2000 475 5.0/243 5.9/238 6.6/237 7.6/235 Thread
6000 357 4.1/184 4.9/182 5.3/181 6.2/180
20000 303 3.8/157 4.6/156 5.1/155 5.6/155
60000 228 3.1/119 3.7/118 4.0/118 4.5/118



NYP80 High Viscosity Rotary Pumps
Model Diameter mm Theoretical displacement L/1OOrev Viscosity cSt Shaft rotation speed (n) r/min Differential pressure Connection Mode
0.4 0.6 0.8 1
Shaft Power(kw) Volume Flow Rate (Q)L/min
20 720 4.3/362 5.8/355 6.9/348 8.1/340
NYP52 NYP52A 60 720 4.7/364 6.2/358 7.3/352 7.5/346
200 610 4.6/309 5.9/304 6.9/300 8.0/294
50 52 600 541 4.9/275 6.0/271 6.8/268 7.8/264
2000 475 5.0/243 5.9/238 6.6/237 7.6/235 Thread
6000 357 4.1/184 4.9/182 5.3/181 6.2/180
20000 303 3.8/157 4.6/156 5.1/155 5.6/155
60000 228 3.1/119 3.7/118 4.0/118 4.5/118



NYP111 /NYP111A High Viscosity Rotary Pumps
Model Diameter mm Theoretical displacement L/1OOrev Viscosity cSt Shaft rotation speed (n) r/min Differential pressure Connection Mode
0.4 0.6 0.8 1
Shaft Power(kw) Volume Flow Rate (Q)L/min
20 615 6.7/660 9.2/647 11.2/634 13.6/622
NYP111 NYP111A 60 615 6.9/664 9.4/652 11.5/642 13.9/631
200 544 7.1/589 9.3/580 11.0/573 13.2/563
80 111.4 600 479 7.3/521 9.5/514 11.1/508 13.1/502
2000 417 7.7/455 9.7/450 11.0/447 12.7/442 Flange
6000 305 6.9/335 8.4/332 9.4/331 10.6/328
20000 228 6.3/251 7.5/250 8.2/249 9.2/248
60000 188 6.2/209 7.1/208 7.6/208 8.5/207



NYP160 High Viscosity Rotary Pumps
Model Diameter mm Theoretical displacement L/1OOrev Viscosity cSt Shaft rotation speed (n) r/min Differential pressure Connection Mode
0.4 0.6 0.8 1
Shaft Power(kw) Volume Flow Rate (Q)L/min
20 600 8.9/930 12.1/916 15.3/902 17.5/888
60 600 9.4/935 12.6/922 15.8/910 19.0/898
NYP160 100 160 200 550 12.3/866 15.3/859 18.3/852 21.3/845
600 480 10.2/754 12.8/747 15.4/740 18.0/737 Flange
2000 355 9.1/560 11.1/556 13/552 15.1/548
6000 319 10.0/505 11.7/502 13.5/500 15.2/497



NYP220 High Viscosity Rotary Pumps
Model Diameter mm Theoretical displacement L/1OOrev Viscosity cSt Shaft rotation speed (n) r/min Differential pressure Connection Mode
0.4 0.6 0.8 1
Shaft Power(kw) Volume Flow Rate (Q)L/min
20 430 8.8/902 11.9/880 15.0/858 18.0/836
60 430 9.0/909 12.0/890 15.0/871 18.0/852
200 355 8.5/753 11.1/739 13.7/726 16.3/713
NYP220 125 220 600 320 9.4/682 11.8/671 14.1/660 16.5/649
2000 254 9.1/544 11.0/537 13.0/530 15.1/523 Flange
6000 244 10.1/483 11.9/478 13.6/473 15.4/468
20000 160 9.1/347 10.5/345 11.9/343 13.3/341
60000 117 8.4/256 9.4/255 10.4/254 11.4/253



NYP320 High Viscosity Rotary Pumps
Model Diameter mm Theoretical displacement L/1OOrev Viscosity cSt Shaft rotation speed (n) r/min Differential pressure Connection Mode
0.4 0.6 0.8 1
Shaft Power(kw) Volume Flow Rate (Q)L/min
20 430 13.0/1306 18.0/1270 22.0/1235 26.0/1200
60 430 13.0/1316 18.5/1285 22.0/1255 26.5/1225
200 355 11.8/1091 15.5/1068 19.1/1046 22.8/1024
NYP320 125 320 600 320 13.2/987 16.5/968 19.7/950 22.9/932
2000 284 14.2/881 17.4/867 20.6/854 23.8/841 Flange
6000 222 13.7/693 16.2/684 18.7/675 21.2/666
20000 168 13.2/529 15.3/525 17.3/522 19.4/519
60000 125 12.0/397 13.7/396 15.3/395 16.9/394



NYP650 High Viscosity Rotary Pumps
Model Diameter mm Theoretical displacement L/1OOrev Viscosity cSt Shaft rotation speed (n) r/min Differential pressure Connection Mode
0.4 0.6 0.8 1
Shaft Power(kw) Volume Flow Rate (Q)L/min
20 315 19.0/1921 26.0/1857 33.0/1794
60 315 20.0/1940 26.4/1886 33.2/1832
200 284 17.9/1756 24.0/1711 30.4/1666
NYP650 150 650 600 253 17.6/1572 22.7/1534 28.9/1500
2000 196 15.7/1225 20.6/1201 24.5/1176 Flange
6000 160 16.0/1008 19.8/993 22.3/978
20000 117 13.6/745 16.5/738 19.2/731
60000 100 15.0/645 17.2/643 19.5/640



NYP727 High Viscosity Rotary Pumps
Model Diameter mm Theoretical displacement L/1OOrev Viscosity cSt Shaft rotation speed (n) r/min Differential pressure Connection Mode
0.4 0.6 0.8 1
Shaft Power(kw) Volume Flow Rate (Q)L/min
20 315 21.5/2135 29.4/2058 37.3/1980
60 315 22.4/2157 29.8/2090 37.3/2026
NYP727 200 280 19.6/1928 26.7/1874 33.5/1820
150 727 600 245 19.6/1696 25.1/1652 31.2/1611
2000 200 18.7/1394 23.3/1363 28.5/1334 Flange
6000 170 19.2/1195 23.3/1175 27.9/1155
20000 125 17.0/888 20.1/878 23.3/868
60000 100 16.8/720 19.5/717 22.3/713



NYP1670 High Viscosity Rotary Pumps
Model Diameter mm Theoretical displacement L/1OOrev Viscosity cSt Shaft rotation speed (n) r/min Differential pressure Connection Mode
0.4 0.6 0.8 1
Shaft Power(kw) Volume Flow Rate (Q)L/min
20 250 38.0/3852 52.0/3690 66.0/3529
60 250 40.0/3900 54.0/3763 68.0/3626
200 225 37.5/3535 50.0/3424 62.5/3313
NYP1670 200 1670 600 195 37.0/3079 48.0/2990 58.6/2900
2000 160 35.0/2547 44.0/2485 53.0/2422 Flange
6000 135 34.6/2177 42.0/2138 50.0/2100
20000 112 35.0/1830 41.5/1810 48.0/1790
60000 85 36.0/1405 35.7/1400 40.6/1392


Structures:
This series is new designed pumps with different material to make internal parts, the new material is corrosive resistance and heat resistance, for high temperature viscous media transferring the high temperature resistance packing seal is used in to seal the pump shaft, packing seal and temperature, there is insulation layer heating by steam to melt the solid media



Laifu offers various kinds industrial pumps such as internal gear pump, external gear pumps, screw pump, centrifugal pumps, and rotary pumps.

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