ZA, ZAO, ZE petrochemical pump overview
ZA, ZAO and ZE petrochemical pumps are single stage single suction cantilever centrifugal pumps. The pumps are mainly used in petroleum, chemical industry, synthetic fiber, fertilizer, power station, metallurgy, food and medicine and other industrial departments to transport clean liquids or the liquids containing particles, low temperature liquids or high temperature liquids,
Neutral or corrosive liquid. The temperature of the medium is commonly from - 45 ℃ to 180 ℃.
ZA, ZAO and ZE petrochemical process pumps are designed according to API160 and VDMA24297 (light/medium) specifications.
ZA, ZAO, ZE petrochemical pump product features
ZA, ZAO, ZE petrochemical pump for single stage, horizontal, volute pump. Pump body is with foot support, single suction impeller, Axial suction, radial discharge;
Adopt front and rear sealing rings and balancing holes for hydraulic balance according to the operating conditions;
The stuffing box has a cooling or heating pipe connectors. The shaft seal can used packing seal or single end face or the double end face mechanical seal. Equipped with cooling, flushing or sealing fluid system.
Suction and discharge flanges shall have the same pressure rating.
Bearings are lubricated with clean machine oil no.22.
Viewed from motor end, rotation direction of the pump is clockwise.
Scope of use of ZA, ZAO and ZE petrochemical pumps
ZA, ZAO, ZE chemical pumps are suitable for conveying clean liquids or liquids containing particles , low or high temperature liquid, neutral or corrosive liquid.
Performance ranges
DN25 to DN400
Flow range(Q): 9m3/h to 2600m3/h
Head range(H):8m to 300m
The environment temperature (℃) : 40 ℃ or less
Medium temperature (℃) : - 20 ℃ ~ + 140 ℃
Medium density (rho) : 0.03kg/m3
Rotation speed (r/min) : 1450rpm or 2900rpm, 1750rpm or 3360rpm
Maximum working pressure of the system (Mpa) : 4.6Mpa
ZA, ZAO, ZE petrochemical pump application:
Refinery pumps, petrochemical industrial pumps, coal processing industrial pumps and cryogenic engineering pumps;
Chemical industry pump, paper pulp industry pump, sugar industry and general process industry pump;
Water supply plant pump, seawater desalination plant pump; Heating and air conditioning system pumps;
Power plant pumps;
Environmental protection engineering pump;
Marine and Marine industrial pumps, etc.
Model meaning of ZA, ZAO and ZE petrochemical pumps
ZA (ZAO/ZAE) 25-200
ZA- closed impeller
ZAO- semi - open impeller
ZAE- high temperature liquids
25- outlet diameter
200- nominal diameter of impeller
| Model | Flow rate | Head | Speed | Shaft power | Motor power | Efficiency | m | Impeller Dia. | |
| M3/h | L/s | (m) | RPM | kw | （%） | (NPSH) | (mm) | ||
| ZA25-200 | 11.5 | 3.2 | 49 | 2950 | 3.8 | 5.5 | 42 | 1.6 | 209 |
| 5.8 | 1.6 | 12 | 1475 | 0.55 | 1.1 | 38 | 1.2 | 209 | |
| ZA40-160 | 28 | 7.8 | 33 | 2950 | 3 | 5.5 | 62 | 3 | 169 |
| 14 | 3.9 | 8 | 1475 | 0.53 | 1.1 | 59 | 0.8 | 169 | |
| ZA40-200 | 29 | 8.2 | 53 | 2950 | 7.5 | 11 | 58 | 2.2 | 209 |
| 14.5 | 4.1 | 13 | 1475 | 1.1 | 1.5 | 55 | 0.8 | 209 | |
| ZA40-250 | 32 | 8.9 | 78 | 2950 | 13.5 | 18.5 | 53 | 2.2 | 259 |
| 16 | 4.5 | 19.5 | 1475 | 1.8 | 3 | 43.5 | 0.75 | 259 | |
| ZA40-315 | 42 | 11.5 | 115 | 2950 | 30 | 37 | 46 | 1.25 | 324 |
| 21 | 5.8 | 29 | 1475 | 4.5 | 5.5 | 42 | 0.5 | 324 | |
| ZA50-160 | 50 | 14 | 34 | 2950 | 7 | 11 | 71 | 2.4 | 169 |
| 25 | 7 | 8.4 | 1475 | 0.87 | 1.5 | 69 | 0.75 | 169 | |
| ZA50-200 | 62 | 17 | 52 | 2950 | 13.5 | 18.5 | 68 | 2.6 | 209 |
| 31 | 8.5 | 13 | 1475 | 1.7 | 3 | 65.5 | 0.75 | 209 | |
| ZA50-250 | 70 | 19.4 | 82 | 2950 | 24 | 30 | 65 | 2.4 | 259 |
| 35 | 9.7 | 20 | 1475 | 3.2 | 4 | 62.5 | 0.7 | 259 | |
| ZA50-315 | 87 | 24.4 | 115 | 2950 | 50 | 55 | 56 | 2.2 | 324 |
| 44 | 12.2 | 28 | 1475 | 6.5 | 11 | 53 | 0.5 | 324 | |
| ZA50-400 | 82 | 23.6 | 194 | 2950 | 92 | 110 | 48 | 2 | 409 |
| 41 | 11.8 | 48 | 1475 | 12.7 | 15 | 45 | 0.5 | 409 | |
| ZA80-160 | 94 | 26.5 | 32 | 2950 | 11 | 15 | 78 | 3 | 169 |
| 47 | 13.3 | 8 | 1475 | 1.5 | 2.2 | 72 | 1.4 | 169 | |
| ZA80-200 | 103 | 28.5 | 54 | 2950 | 20 | 30 | 76 | 3.2 | 209 |
| 51 | 14.6 | 13.5 | 1475 | 2.5 | 4 | 74 | 0.8 | 209 | |
| ZA80-250 | 127 | 35 | 82 | 2950 | 35 | 45 | 74 | 4 | 259 |
| 64 | 17.5 | 20 | 1475 | 5.4 | 7.5 | 72 | 1.3 | 259 | |
| ZA80-315 | 141 | 39 | 127 | 2950 | 76 | 90 | 69 | 4 | 324 |
| 70 | 19.5 | 33 | 1475 | 10 | 15 | 66.5 | 1 | 324 | |
| ZA80-400 | 171 | 47.5 | 187 | 2950 | 142 | 160 | 61 | 3.5 | 409 |
| 85 | 23.8 | 46 | 1475 | 19 | 22 | 58 | 0.8 | 409 | |
| ZA100-160 | 162 | 44.2 | 29 | 2950 | 16.5 | 22 | 81 | 5 | 169 |
| 81 | 22.1 | 7.2 | 1475 | 2.2 | 3 | 79.5 | 1.4 | 169 | |
| ZA100-200 | 193 | 53.1 | 50 | 2950 | 35 | 45 | 81 | 3.5 | 209 |
| 95 | 26.5 | 12.5 | 1475 | 3.5 | 5.5 | 79.5 | 1 | 209 | |
| ZA100-250 | 230 | 65 | 79 | 2950 | 62 | 75 | 81 | 4 | 259 |
| 115 | 32.5 | 20 | 1475 | 8 | 11 | 79.5 | 1 | 259 | |
| ZA100-315 | 250 | 70 | 126 | 2950 | 120 | 132 | 75 | 3.6 | 324 |
| 125 | 35 | 31 | 1475 | 15 | 18.5 | 73 | 1 | 324 | |
| ZA100-400 | 300 | 83 | 194 | 2950 | 225 | - | 72 | 5.5 | 409 |
| 150 | 41.5 | 48 | 1475 | 27 | 37 | 70 | 1.4 | 409 | |
| ZA100-500 | 180 | 50.5 | 75 | 1475 | 50 | 75 | 70 | 1.5 | 514 |
| ZA150-200 | 320 | 88 | 44 | 2950 | 45 | 55 | 83.5 | 6 | 209 |
| 160 | 44 | 11 | 1475 | 6 | 7.5 | 82 | 1.7 | 209 | |
| ZA150-250 | 390 | 108 | 74 | 2950 | 92 | 110 | 82 | 5.1 | 259 |
| 195 | 54 | 18.5 | 1475 | 12.5 | 15 | 80.5 | 1.7 | 259 | |
| ZA150-315 | 442 | 123 | 125 | 2950 | 200 | 87.5 | 6 | 324 | |
| 220 | 61.5 | 32.5 | 1475 | 26 | 30 | 81 | 1.7 | 324 | |
| ZA150-400 | 260 | 72 | 51 | 1475 | 47 | 55 | 77 | 1.8 | 409 |
| ZA150-500 | 300 | 84 | 77 | 1475 | 87 | 110 | 74 | 2 | 514 |
| ZA150-560 | 335 | 91 | 104 | 1475 | 132 | 160 | 74.5 | 2.4 | 578 |
| ZA150-630 | 360 | 99 | 115 | 1475 | 192 | - | 63 | 8 | 648 |
| ZA200-250 | 610 | 170 | 72 | 2950 | 140 | 160 | 84.5 | 9 | 259 |
| 305 | 85 | 17.5 | 1450 | 18 | 22 | 83.5 | 2.2 | 259 | |
| ZA200-315 | 350 | 98 | 30 | 1450 | 35 | 45 | 84.5 | 2 | 324 |
| ZA200-400 | 426 | 118 | 50 | 1450 | 73 | 90 | 90 | 3.2 | 409 |
| ZA200-500 | 495 | 137 | 84 | 1450 | 150 | - | 81 | 2.8 | 514 |
| ZA200-560 | 540 | 154 | 105 | 1450 | 208 | - | 79.5 | 3 | 578 |
| ZA200-630 | 580 | 160 | 132 | 1450 | 270 | - | 77.5 | 3.2 | 648 |
| ZA250-315 | 545 | 155 | 27 | 1450 | 48 | 55 | 86.5 | 2.7 | 324 |
| ZA250-400 | 660 | 182 | 49 | 1475 | 107 | 182 | 82.5 | 3.2 | 409 |
| ZA250-500 | 800 | 230 | 82 | 1475 | 220 | - | 83 | 5 | 514 |
| ZA250-560 | 860 | 240 | 106 | 1475 | 300 | - | 82 | 4.1 | 578 |
| ZA250-630 | 855 | 238 | 128 | 1475 | 350 | - | 80.5 | 4.6 | 648 |
| ZA300-400 | 1050 | 290 | 48 | 1475 | 160 | - | 87 | 6 | 409 |
| ZA300-500 | 1240 | 336 | 78 | 1475 | 320 | - | 88 | 4.7 | 514 |
| ZA300-560 | 1340 | 374 | 104 | 1475 | 455 | - | 87 | 5.2 | 578 |
| ZA300-630 | 1450 | 405 | 132 | 1475 | 595 | - | 85 | 5.5 | 648 |
| ZA400-500 | 1870 | 515 | 74 | 1475 | 450 | - | 88 | 6 | 514 |
| ZA400-560 | 2040 | 570 | 98 | 1475 | 610 | - | 88 | 7.6 | 578 |
| ZA400-630 | 2390 | 670 | 125 | 1475 | 950 | - | 88 | 8 | 648 |
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