June 1999 ProMinent Fluid Controls 1

alpha Series Metering Pumpsalpha Series Metering Pumps

ProMinent

noelt:

NEW CINEW CI

noelt:

NEW CINEW CI

June 1999 ProMinent Fluid Controls 2

alpha Series Metering Pumpsalpha Series Metering Pumps

The alpha pump is a receprocating diaphram-type, motor-driven metering pump for continuous operation or external on/off control.

Capacities range from 0.37 to 5.68 gph (1.4 to 21.5 L/h), with maximum backpressures to 145 psig (10bar).

The drive unit can be supplied in 4 gear ratios and the liquid end is available in 7 sizes.

June 1999 ProMinent Fluid Controls 3

alpha Pumpalpha Pump

Discharge Discharge valvevalve

Suction valveSuction valve

Bleed valve adjustmentBleed valve adjustment

Liquid endLiquid end

Bleed valveBleed valve

Drive unitDrive unit

June 1999 ProMinent Fluid Controls 4

Stroke Length AdjustmentStroke Length Adjustment

Stroke length adjustment is done by adjusting the eccentricity via a locking bar in 10% increments.

Stroke length adjustment settings represent actual percentages of maximum capacity

noelt:

Stroke length Stroke length cover piccover pic

noelt:

Stroke length Stroke length cover piccover pic

June 1999 ProMinent Fluid Controls 5

Liquid End OptionsLiquid End Options

Liquid end materials include:• Polypropylene (Viton or EPDM seals)• Acrylic (Viton)

Liquid ends are only available with a bleed valve.

The liquid end features double ball valves for the suction and discharge for increase accuracy. The valves can be spring-loaded to ensure proper seating for high viscosity media.

June 1999 ProMinent Fluid Controls 6

Discharge Valve

Bleed Valve

Suction Valve

Liquid End with Bleed ValveLiquid End with Bleed Valve

June 1999 ProMinent Fluid Controls 7

Version PSIG GPH ml/strk Strk/min Connectors Suction Lift (ft)1001 145 0.37 0.65 36 1/2 x 3/8 19.7 1002 145 0.76 0.70 69 1/2 x 3/8 19.7 1003 145 1.11 0.67 105 1/2 x 3/8 19.7 0804 109 1.32 2.31 36 1/2 x 3/8 19.7 0808 109 2.51 2.29 69 1/2 x 3/8 19.7 0612 80 3.70 2.22 105 1/2 x 3/8 19.7 0419 58 5.68 2.33 154 1/2 x 3/8 19.7

50 Hz power version50 Hz power version

Version PSIG GPH ml/strk Strk/min Connectors Suction Lift (ft)1001 145 0.32 0.66 30 1/2 x 3/8 19.7 1002 145 0.63 0.69 58 1/2 x 3/8 19.7 1003 145 0.92 0.66 88 1/2 x 3/8 19.7 0804 109 1.05 2.22 30 1/2 x 3/8 19.7 0808 109 2.11 2.30 58 1/2 x 3/8 19.7 0612 80 3.17 2.27 88 1/2 x 3/8 19.7 0419 58 4.89 2.41 128 1/2 x 3/8 19.7

alpha Capacitiesalpha Capacities60 Hz power version60 Hz power version