LMI Two Dial B HI Series Chlorine Metering Pumps

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LMI Series B1 HI chlorine metering pumps are designed for accurate and trouble free chlorine injection. These pumps will pump all water treatment chemicals, but are specially designed to handle off gassing chemicals such as chlorine that can cause air locking. The additional valve on the pump head automatically returns a small amount of chemical and chemical gas to the solution tank with each pump stroke.

The LMI Auto-Degassing LMI Series B1 chlorine metering pumps have two control dials - one for manual stroke and one for speed adjustments. The clear LMI see-thru acrylic pump head provides a clear view of the diaphragm operation and chemical flow through the pump.

LMI Series B1 sodium hypochlorite feed pumps come complete with instructions, foot valve, ceramic weight, injection valve, four function discharge valve and chemical tubing. Pumps are 120VAC. LMI Series B1 chemical dosing pumps are NSF & cUL approved.
LMI Pump Model Maximum Gallons Per Hour / Day
Maximum Pressure (PSI) Tubing Size
B111-D90HI  Auto Degassing
1.4 gph / 33.6 gpd
150 3/8" OD
B121-D90HI  Auto Degassing
2.3 gph / 55.2 gpd
100 3/8" OD
B131-D60HI Auto Degassing
4.0 gph / 96.0 gpd
50 3/8" OD
B141-D10HI  Auto Degassing
6.8 gph / 163.2 gpd
30 1/2" OD


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Cleanflow ships all across Canada and the continental USA. All shipments originate from a warehouse in Canada. Emails with tracking details are automatically sent the moment your order leaves our warehouse. Any order with a total of $199.00 or more before taxes qualifies for Free Shipping. Orders under $199.00 before taxes will be charged a flat rate of $20.00 + applicable provincial taxes. Cleanflow is a 100% Canadian family owned and operated company.

Delivery Times Inside Canada

Prairie Provinces: 1-3 Business Days
Northern Ontario: 1-3 Business Days
Southern Ontario: 1-3 Business Days
Quebec: 1-3 Business Days
Atlantic Canada: 2-5 Business Days
British Columbia: 2-5 Business Days
Yukon & Nunavut: 5-10+ Business Days
Northwest Territories: 5-10+ Business Days

Please note: Business Days are Monday to Friday. All delivery
times are estimates only. These estimates do not include the processing
time to prepare the order for shipment.



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