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Emtec Pumps

emtec pumps are designed to withstand the harsh environment of high pressure machine tool coolant service. special hardening techniques produce wear resistance within the housing bores offering cost effective pumping.

balance diameters at the inlet end of the idler rotors provide hydraulic balance eliminating thrust loads due to differential pressure. these diameters are grooved to better pass contaminant, are hardened to resist wear and rotate within hardened journals. like the idler rotors, the power rotor (drive shaft) includes a hardened and specially grooved balance piston and hardened journal. it provides the counteracting force to eliminate thrust loads on the shaft due to differential pressure. it is extra long to minimize flow loss. leakage crossing the balance piston provides cooling flow to the mechanical shaft seal before being returned to pump inlet. in the case where the pump is mounted vertically within the coolant supply tank, the shaft seal can be eliminated for further cost effectiveness. leakage across the balance piston is then allowed to escape back to the coolant supply by leaving a seal chamber exit tap unplugged. a lip seal on the pump side of the ball bearing prevents coolant splash from washing out the bearing grease.

performance shown at a viscosity of 1.8 centistokes, speed of 3500 rpm

Differential Pressure – PSI
Size 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300
20-38 GPM 8.2 7.6 7.1 6.7 6.4 6.1 5.8 5.5 5.2 4.9 4.8 4.5 4.3
BHP 2.6 3.3 4 4.8 5.5 6.2 6.9 7.6 8 8.7 9.4 10.1 10.8
20-46 GPM 10.9 10.3 9.7 9.2 8.8 8.5 8.1 7.8 7.5 7.1 6.8 6.7 6.4
BHP 2.8 3.8 5.9 5.7 6.6 7.6 8.2 9.1 10 10.9 11.8 12.7 13.6
20-56 GPM 15.1 14.1 13.2 12.5 11.9 11.3 10.7
BHP 3.2 4.5 5.3 7.2 8.5 9.4 10.7
40-38 GPM 16.5 15.1 14.1 13.1 12.3 11.5 10.7 10.1 9.4 8.7 8.2 7.6 7
BHP 2.4 3.9 6.8 6.8 8.3 9.4 10.8 12.3 13.7 15.1 15.8 17.2 18.6
40-46 GPM 23 21.6 20.4 19.6 18.7 17.9 17.2 16.5 15.9 15.2 14.6 14.1 13.5
BHP 2.9 4.9 6.6 8.5 10.4 12.3 14.2 16.1 17.2 19 20.9 22.7 24.5
80-36 GPM 31.2 29.3 27.6 26.3 25.1 23.9 23 21.9 21.1 20.1 19.3 18.5 17.8
BHP 4.1 6.8 9.1 11.7 14.3 16.2 18.7 21.2 23.7 26.2 28.7 31.2 33.7
80-46 GPM 46.4 44.4 42.8 41.4 40.2 39.1 38.1 37.1 36.2 35.2 34.5 33.6 32.9
BHP 5.3 8.8 51.8 50.1 48.6 47.4 46.1 44.9 43.8 42.7 41.7 40.7 39.8
140-39 GPM 59.6 57 54.9 53.2 51.6 50.2 48.8 47.5 46.4 45.2 44.1 43 42
BHP 6.9 11.7 19.9 20.4 24.9 29.5 34.1 38.7 43.3 47.9 52.4 57 61.6
140-46 GPM 79 76.5 74.5 72.7 71.2 69.7 68.3 67.1 65.9 64.7 63.7 62.6 61.6
BHP 8.3 14.6 25.2 25.9 31.8 37.8 43.8 49.7 55.7 61.7 67.6 73.6 76.1
210-40 GPM 96 92.3 89.8 87.5 85.5 83.6 81.9 80.3 78.8 77.2 75.8 74.5 73.2
BHP 11.2 18 30.7 32.4 39.7 46.9 54.1 61.4 68.6 75.8 79.5 86.4 93.3
210-46 GPM 122 119 116 114 112 110 108 106 105 103 102 101 99.4
BHP 13.1 21.7 37.6 39.8 48.9 58 67.1 76.2 85.3 90.3 99 108 116
280-43 GPM 142 139 136 133 131 129 127 125 123 121 120 118 117
BHP 16.4 27 41.8 48.3 58.9 69.5 76.6 86.8 96.9 107 117 127 138
280-46 GPM 162 158 156 153 151 148 146 145 143 141 139 138 136
BHP 17.8 29.8 53.9 53.9 65.9 74.5 86 97.5 109 120 132 143 155
440-40 GPM 202 197 194 190 187 184 182 180 177 175 173 171 169
BHP 23.9 38.9 53.9 68.9 80.2 94.6 109 123 138 152 166 181 195
440-46 GPM 260 255 251 248 245 242 240 237 235 233 231 229 227
BHP 29.2 49.1 69 81.6 99.8 118 136 155 173 191 209 228 246 

Emtec Series Specifications

Casing- Cast iron inlet and discharge covers.

Housing- Cast iron with laser hardened bores.

Rotors-扫二维码进微信骰子群 Nitride hardened alloy steel.

Shaft Seal- Silicon carbide on silicon carbide, fluorocarbon fitted mechanical seal. Optionally, pumps can be supplied without shaft seal for vertical in-tank mounting. In this case, the seal chamber is drained overboard.

Bearing-扫二维码进微信骰子群 Permanently grease packed external ball bearing.

O-Rings-扫二维码进微信骰子群 Fluorocarbon.

Viscosity- 1.0 cSt minimum for differential pressure to 870 PSI (60 BAR). 1.8 cSt minimum for differential pressure to 1300 PSI (90 BAR.) 9000 SSU (2000 cSt) maximum.

Inlet Pressure-扫二维码进微信骰子群 145 PSIG (10 BAR) maximum.

Outlet Pressure-扫二维码进微信骰子群 1300 PSIG (90 BAR) maximum.

Differential Pressure- Operation at differential pressures below 40 psi (2.8 BAR) may require pump modification to assure sufficient shaft seal cooling flow. Consult Imo Pump.

Temperature-扫二维码进微信骰子群 0 to 210°F (-18 to 100°C)

Drive/Rotation-扫二维码进微信骰子群 Direct drive, clockwise rotation only facing pump shaft.

Speed-扫二维码进微信骰子群 3600 RPM maximum.

Mounting-扫二维码进微信骰子群 Shaft end flange mounting, horizontal or vertical, shaft up.

Connections-扫二维码进微信骰子群 SAE 4-bolt flange pads for use with 3000 PSI rated 4-bolt flanges, metric bolts.

Filtration- A fine degree of filtration compatible with the expected type and quantity of contaminant will maximize pump service life.

Accessories-扫二维码进微信骰子群 Completely mounted pump/driver assemblies with baseplates or NEMA ‘C" face motor adapters are available.

Emtec pump on test

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