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LMI PUMPS Compact Solenoid-Driven Diaphragm Metering Pump - Compact Solenoid-Driven Diaphragm Metering Pumps
LMI PUMPSCompact Solenoid-Driven Diaphragm Metering Pumps

LMI PUMPS Compact Solenoid-Driven Diaphragm Metering Pump

The LMI PUMPS Chemical Metering Pump is a compact solenoid-driven diaphragm metering pump (MPN E731-318SI) with a PVC head, PTFE diaphragm, and a maximum flow rate of 8 gpd. It operates on 115V AC and features a…

SKU 3G-OTH-88776

Also listed as: E731318SI · E731 318SI

Brand
LMI PUMPS
Item
Compact Solenoid-Driven Diaphragm Metering Pump
Category
Compact Solenoid-Driven Diaphragm Metering Pumps
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

LMI PUMPS
Manufacturer Part Number
E731-318SI
Type
PVC Head, PTFE Diaphragm, 8 gpd Max. Flow Rate
AC
115V
Seal Material
PVDF/Polyprel
Reproducibility
±1.0%
Fitting Material
PVC
Nameplate Voltage
115V AC
Diaphragm Material
PTFE
Check Ball Material
Ceramic

Technical Documents

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LMI PUMPS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LMI PUMPS Chemical Metering Pump is a compact solenoid-driven diaphragm metering pump (MPN E731-318SI) with a PVC head, PTFE diaphragm, and a maximum flow rate of 8 gpd. It operates on 115V AC and features a reproducibility of ±1.0%, with ceramic check balls, PVDF/Polyprel seals, and PVC fittings.

Frequently Asked Questions

What is the LMI PUMPS Chemical Metering Pump used for?

The LMI PUMPS Chemical Metering Pump is used for precise chemical dosing in water treatment, industrial processing, and chemical injection systems. Its solenoid-driven diaphragm design delivers accurate flow control for corrosive liquids, making it suitable for applications requiring consistent metering of acids, bases, or other chemicals.

What are the specifications of the LMI PUMPS E731-318SI?

The LMI PUMPS E731-318SI is a compact solenoid-driven diaphragm metering pump with a maximum flow rate of 8 gpd, operating on 115V AC. It features a PVC head, PTFE diaphragm, ceramic check balls, PVDF/Polyprel seals, and PVC fittings, with a reproducibility of ±1.0%.

Where to buy the LMI PUMPS E731-318SI worldwide?

You can source the LMI PUMPS E731-318SI worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply this pump to customers across multiple industries.

How to install the LMI PUMPS solenoid metering pump?

Install the LMI PUMPS pump on a stable surface near the chemical source, ensuring proper suction lift and discharge piping. Use PTFE tape on threaded fittings to prevent leaks. Prime the pump by filling the head with liquid before startup. Always follow the manufacturer's manual for electrical connections and pressure limits.

Used in

Common applications for LMI PUMPS
Water treatment — LMI PUMPS B111 series for chlorine dosing in municipal water disinfection systems
Cooling tower chemical feed — LMI PUMPS C741 series for injecting corrosion inhibitors and biocides
Boiler water treatment — LMI PUMPS PD051 series for precise caustic and phosphate dosing
Wastewater disinfection — LMI PUMPS B741 series for sodium hypochlorite metering in effluent treatment
Industrial process chemical injection — LMI PUMPS C111 series for acid dosing in metal finishing baths
Chemical manufacturing — LMI PUMPS PD741 series for polymer addition in batch processing

LMI PUMPS Products

3G Electric supplies LMI PUMPS compact solenoid-driven diaphragm metering pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, and 8 gpd max flow rate. Operates on 115V AC with ±1.0% reproducibility. Features PVDF/Polyprel seals, ceramic check balls, and PVC fittings. Suitable for precise chemical dosing in water treatment and industrial processing
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Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, and 8 gpd max flow rate. Operates on 115V AC with ±1.0% reproducibility. Features PVDF/Polyprel seals, ceramic check balls, and PVC fittings. Suitable for precise chemical dosing in water treatment and industrial processing
Compact solenoid-driven diaphragm metering pump with PVC head and PTFE diaphragm. Operates at 115V AC with a maximum flow rate of 8 gpd and reproducibility of ±1.0%. Features ceramic check balls, PVDF/Polyprel seals, and PVC fittings. Suitable for precise chemical dosing in water treatment and industrial processing applications
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Compact solenoid-driven diaphragm metering pump with PVC head and PTFE diaphragm. Operates at 115V AC with a maximum flow rate of 8 gpd and reproducibility of ±1.0%. Features ceramic check balls, PVDF/Polyprel seals, and PVC fittings. Suitable for precise chemical dosing in water treatment and industrial processing applications
Compact solenoid-driven diaphragm metering pump with PVC head and PTFE diaphragm. Operates at 115V AC, delivers maximum flow rate of 8 gpd with ±1.0% reproducibility. Features PVDF fitting, Polyprel seal, and ceramic check ball. Suitable for precise chemical dosing in water treatment and industrial processing applications
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Compact solenoid-driven diaphragm metering pump with PVC head and PTFE diaphragm. Operates at 115V AC, delivers maximum flow rate of 8 gpd with ±1.0% reproducibility. Features PVDF fitting, Polyprel seal, and ceramic check ball. Suitable for precise chemical dosing in water treatment and industrial processing applications
Compact solenoid-driven diaphragm metering pump with PVDF head and PTFE diaphragm. Operates on 115V AC, delivers up to 8 gpd with ±1.0% reproducibility. Features PVDF/PTFE seals, PVDF fittings, and ceramic check balls. Suitable for precise chemical dosing in water treatment and industrial processing
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Compact solenoid-driven diaphragm metering pump with PVDF head and PTFE diaphragm. Operates on 115V AC, delivers up to 8 gpd with ±1.0% reproducibility. Features PVDF/PTFE seals, PVDF fittings, and ceramic check balls. Suitable for precise chemical dosing in water treatment and industrial processing
This compact solenoid-driven diaphragm metering pump features a PVDF head, PTFE diaphragm, and ceramic check balls. It delivers a maximum flow rate of 8 gpd with ±1.0% reproducibility, operating on 115V AC. The pump includes PVDF fittings and PVDF/PTFE seals, suitable for precise chemical dosing in water treatment and industrial processing applications
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This compact solenoid-driven diaphragm metering pump features a PVDF head, PTFE diaphragm, and ceramic check balls. It delivers a maximum flow rate of 8 gpd with ±1.0% reproducibility, operating on 115V AC. The pump includes PVDF fittings and PVDF/PTFE seals, suitable for precise chemical dosing in water treatment and industrial processing applications
Compact solenoid-driven diaphragm metering pump with 115V AC nameplate voltage, PVC head, PTFE diaphragm, and PTFE seals. Delivers maximum flow rate of 20 gpd with ±1.0% reproducibility. Features ceramic check balls and PVC fittings. Used for precise chemical dosing in water treatment, industrial processing, and chemical injection systems
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This compact solenoid-driven diaphragm metering pump features a PVC head, PTFE diaphragm, and Polyprel seals. It operates at 115V AC with ceramic check balls and PVC fittings, providing a reproducibility of ±1.0%. Typical applications include precise chemical dosing in water treatment, industrial processing, and chemical injection systems
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This compact solenoid-driven diaphragm metering pump features a PVC head, PTFE diaphragm, and Polyprel seals. It operates at 115V AC with ceramic check balls and PVC fittings, providing a reproducibility of ±1.0%. Typical applications include precise chemical dosing in water treatment, industrial processing, and chemical injection systems
Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, Polyprel seals, and ceramic check balls. Operates at 115V AC with ±1.0% reproducibility. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications
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Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, Polyprel seals, and ceramic check balls. Operates at 115V AC with ±1.0% reproducibility. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications
Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, and Polyprel seals. Operates at 115/230V AC with ±3.0% reproducibility. Features ceramic check balls, PVC fittings, and tank level input control program. Suitable for precise chemical injection in water treatment, industrial processing, and HVAC systems
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Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, and Polyprel seals. Operates at 115/230V AC with ±3.0% reproducibility. Features ceramic check balls, PVC fittings, and tank level input control program. Suitable for precise chemical injection in water treatment, industrial processing, and HVAC systems
Compact solenoid-driven diaphragm metering pump with PVC head and PTFE diaphragm. Operates on 115/230V AC with reproducibility of ±3.0%. Features ceramic check ball, PTFE/Polyprel seal material, PVC fittings, and tank level input control program. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications
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Compact solenoid-driven diaphragm metering pump with PVC head and PTFE diaphragm. Operates on 115/230V AC with reproducibility of ±3.0%. Features ceramic check ball, PTFE/Polyprel seal material, PVC fittings, and tank level input control program. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications
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Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm and seals, and ceramic check balls. Operates on 115V AC with ±1.0% reproducibility. Suitable for precise chemical injection in water treatment and industrial processing applications
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This compact solenoid-driven diaphragm metering pump features a PVDF head, PTFE diaphragm, and ceramic check balls. It operates at 115/230V AC with ±3.0% reproducibility. The pump includes PTFE seals and PVDF fittings. Typical applications include precise chemical dosing in water treatment, industrial processing, and chemical injection
Compact solenoid-driven diaphragm metering pump with 316 stainless steel head, PTFE diaphragm, and 316 SS check balls, fittings, and seals. Operates on 115V AC with ±1.0% reproducibility. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications
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Compact solenoid-driven diaphragm metering pump with 316 stainless steel head, PTFE diaphragm, and 316 SS check balls, fittings, and seals. Operates on 115V AC with ±1.0% reproducibility. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications
Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, and Polyprel seals. Operates on 115/230V AC, features ceramic check balls and PVC fittings. Reproducibility ±3.0% with tank level input control. Suitable for precise chemical dosing in water treatment and industrial processing applications
LMI PUMPS
Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, and Polyprel seals. Operates on 115/230V AC, features ceramic check balls and PVC fittings. Reproducibility ±3.0% with tank level input control. Suitable for precise chemical dosing in water treatment and industrial processing applications