The following table provides a general LMI pump model summary and below are individual pump model descriptions and specifications.
LMI Electronic Chemical Metering Pumps Available
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Series AA Metering Pumps
Series AA Chemical Metering Pumps are ideally suited for low flowrate applications requiring precise control. These pumps come with rigid stroke bracket assembly for highly accurate, consistent dosing performance. Options include advanced control options for simplified system integration (pulse multiply/divide, 4-20 mA, remote on/off). 5-level power control option to reduce system shock and extend the life of the pump as well as external pacing for flow proportional applications.
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Series B and C Chemical Metering Pumps
Series B and C Chemical Metering Pumps have been an industry standard for over 20 years. The familiar yellow and black pumps have a rugged, totally enclosed, chemically resistant housing for protection in the harshest environments. Encapsulated electronics and a rigid housing and stroke bracket ensure years of precise, repeatable performance. Several control options are available for all applications and budgets:
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Series P Chemical Metering Pumps
The Series P Metering Pump is designed for more economical chemical injection. The totally enclosed, chemically resistant housing and encapsulated electronics provide the performance and long life that you've come to expect from an LMI Pump. The compact size and wide range of outputs makes it ideal for OEM applications. Dual manual control of stroke speed and length and fixed speed versions are only available providing simple manual or on/off control.
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The AA, B and C pumps come with various control from manual speed and stroke adjustments to digital and analog controls that can be incorporated into your system and process to make you more efficient:
Type "1" control is designed for accurate chemical feed where manual or on/off control is all that is required. Dual manual control of stroke speed and stroke length are provided.
 Type "7" control is designed for more economical systems. The stroke rate may be controlled manually or by a digital input. The optional Micropace Control Modules enable the user to divide or multiply a digital input or respond directly and proportionally to a 4 - 20 milliamp input. A low level input is standard.
Type "9" control is designed for easy integration into chemical feed systems. The stroke rate may be controlled manually or by an external signal generated by a flowmeter, controller, transmitter, PLC or other device. Divide or multiply a digital (pulse) input or program a response to a milliamp (4-20, 0-20, 20-4, 20-0) input. Remote on/off and low level inputs are standard. The clear liquid crystal display provides the user with operational status. The unique 5-level power control reduces system shock and extends the life of the pump. The optional Digi-Pulse Flow Monitor verifies chemical flow and provides an alarm output.
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LMI Electronic Chemical Metering Pumps Available (continued)
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Series E7 Explosion Proof Electronic Metering Pumps
The Series E Metering Pump is designed for use in hazardous environments. It meets or exceeds all standards for Class I, Division I, Groups C and D; Class II, Division I, Groups E, F and G. The rugged, urethane coated, cast housing and encapsulated electronics provide excellent chemical resistance and long life. The stroke speed may be controlled manually or externally by a digital input or a milliamp input with the use of an A to D converter.
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Series H9 High Pressure Electronic Metering Pumps
The Series H9 Metering Pump is designed for very low output injection into high pressure systems. An electronic pump with a 316 S.S. packed plunger liquid end provide users with all the advantages of an electronic pump in applications where previously only motor-driven pumps could be used. Type “9” control is standard with the stroke speed manually controlled or externally controlled by a digital or milliamp input.
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Series J5 12VDC Electronic Metering Pumps
The Series J5 Metering Pump is designed for remote applications where AC electrical power is unavailable. The low power consumption (1.6 amp average current draw or 19 watts at maximum speed) makes it ideal for agricultural and solar powered installations. Manual control of stroke speed and stroke length or external control of stroke speed by a digital input for flow proportional applications.
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Series G Motor-Driven Metering Pumps
The Series G Metering Pump is designed for high output applications. The drive incorporates a variable eccentic design which ensures smooth output and reduces system shock. The mechanically actuated diaphragm reduces the possibility of hydraulic oil contamination of process liquid which makes this an ideal pump for water treatment applications. DC variable speed drives are available for external control and automation.
The SD & SG metering pumps offer a high level of reliability with outstanding value for applications up to 175 psi (12 Bar).
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For a pump and system design and quotation, call Zeroday at 1-877-582-9067 or click on the hyperlink, fill out needed information and submit the LMI Pump Submittal Form.
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