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A112-818SI

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LMI Pumps A112-818SI Series A Chemical Metering Pump, 0.25 GPH, 250 Max PSI, 50/60 Hz, 230 Volt, Dual Manual Control, PVC / PVC (Molded FastPrime Head, Double Ball Check Valves, with 4 Function Discharge Valve accessory), Ceramic Valve Balls, Fluorofilm Diaphragm, PTFE / Polyprel Seat & O-Ring, Tubing PE 1/4" OD.

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Item: A112-818SI

Repair Parts Exploded View Diagram

Overview
Series Info
Reviews
Literature/Manuals
Repair Parts

A112-818SI

Connections / Discharge (Inches)	Tubing PE 1/4" O.D.
Diaphragm	Fluorofilm
Flow Control	Dual Manual Control
Head / Fittings	PVC / PVC (FastPrime Head w/4 Function Valve - Molded Head w/Double Ball Check Valves)
Hz	50/60
Includes	4FV-Four Function Valve (anti-siphon, back pressure, priming/pressure release and pressure relief), Tubing, Foot Valve and Strainer, Ceramic Foot Valve Weight, 1/2" NPT Male Injection Check/Back Pressure Valve, and Instruction Manual
Maximum Flow (GPD)	6
Maximum Flow (GPH)	0.25 GPH (0.95 LPH)
Maximum Pressure (PSI)	250

Maximum Strokes Per Minute	120
Maximum Viscosity (CPS)	400
Product Notes	New LMI PD Series Replacement Pump, PD742-828SI Upgrade From A112-818SI
Turn Down Ratio	1200:1
Valve Balls	Ceramic
Valve / Seat / O-Ring	PTFE / Polyprel
Voltage	230

A Series Information

General Description
LMI Roytronic Series A chemical metering pumps shall be positive displacement, Liquifram type pumps. Relevant model codes are NSF Certified, UL/CUL or CE certified. Output volume shall be adjustable while pumps are in operation from zero to maximum capacity.
Pump Controls
Adjustment shall be by means of readily accessible dial knobs, one for changing stroke length and the other for changing stroke frequency. Both knobs are to be located opposite the liquid handling end. A pulse indicatto light will flash green when pumping. The pump shall be equipped with an on/off button.
Drive Assembly
The pump drive shall be totally enclosed with no exposed moving parts. Electronics shall be housed in chemical resistant enclosure at the rear of the pump for maximum protection against chemical spillage. Electrical power consumption shall not exceed 42 watts per hour under full speed and maximum pressure conditions. Pump weight shall not exceed 10 lbs (4.75 kg).
Pressure Relief
The LMI 4-Function Valve is recommended with a FastPrime or AutoPrime Liquid End to provide automatic pressure relief.
Materials of Construction
Chemical metering pump housing shall be of chemically resistant glass fiber reinforced thermoplastic. All exposed fasteners shall be stainless steel. Valves shall be serviceable by replacing the cartridge valve assembly.
Check Valve / Tubing Connections
A total of 16 ft (4.8 m) of tubing shall be provided per pump complete with compressing connections (on models with tubing connections). A foot valve with integral one piece strainer shall be provided for the suction line (on non-high viscosity models with tubing connections), and an injection check/back pressure valve with 1/2" NPT male connection for the injection point (on models with tubing connections).

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