Water Process Solutions Encore 700 - Page 17

ENCORE
®
700 METERING PUMP
Table 1.1 - Encore® 700 Series Metering Pump - Technical Data
Pump Type Non-Loss Motion, Mechanical Diaphragm Metering pump.
Simplex and double simplex capabilities.
Diaphragm Type
Teflon®-faced single piece mechanical diaphragm,
Six sizes: 1-3/8", 2", 3", 4", 5" and 6-1/2".
Service Metering of mild to very corrosive chemicals;
polyelectrolytes and slurries.
Drive Unit Directly coupled or pulley coupled motor.
Three stroking speeds 36, 72, 144 spm.
Four step pulley coupled motor provides 4:1 turn down for
each speed - 36, 72, 144 spm.
Refer to Table 1.3 for additional information.
Variable Speed
AC and DC speed control available.
Capacity Range
Up to 317 gph with single head. Up to 634 gph with
double simplex or Duplex*. Refer to Table 1.3 for additional
information.
Pressure Range
Up to 175 psi. Refer to Table 1.3 for additional information.
Stroke Length 10 turn stroke control. Adjustable over 10:1 range.
Accuracy ± 2% full scale over 10:1 range under constant suction and
discharge conditions.
Suction Lift Up to 10 feet water lift.
Motor Voltage
115/230 VAC, 50/60 Hz
Ambient Temperature Limits
35 to 125°F ( 2 to 52°C)
Process Fluid Temperature Limits
125°F (52°C) max; 180°F (83°C) for Kynar® liquid ends.
Viscosity Limits for Polyelectrolytes
5000 centipoise @ 144 strokes per minute (SPM)
Viscosity Limits for Slurries
Hydrated Lime: Up to 3.8 lbs/gallon of water.
Activated Carbon: Up to 1.1 lbs/gallon of water
Diatomaceous Earth: Up to 1.7 lbs/gallon of water
(36 SPM minimum)
Lubrication
Food-grade synthetic oil, SAE90.
AAA5499(W2T10431) (Optional), SAE85W90 Mineral gear oil.
Weight
110 lbs (average)
* For Duplex information- Refer to Instruction Manual number WT.440.400.002.UA.IM.
WT.440.400.001.UA.IM.1012
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