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LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm - Compact Solenoid-Driven Diaphragm Metering Pumps
LMI PUMPSCompact Solenoid-Driven Diaphragm Metering Pumps

LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm

The LMI PUMPS Chemical Metering Pump is a compact solenoid-driven diaphragm metering pump (MPN E731-313NI) with a PVDF head, PTFE diaphragm, and 8 gpd max flow rate. It operates on 115V AC and features PVDF/PTFE…

SKU 3G-OTH-82848

Also listed as: E731313NI · E731 313NI

Brand
LMI PUMPS
Item
Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm
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
E731-313NI
Type
PVDF Head, PTFE Diaphragm, 8 gpd Max. Flow Rate
AC
115V
Seal Material
PVDF/PTFE
Reproducibility
±1.0%
Fitting Material
PVDF
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 E731-313NI) with a PVDF head, PTFE diaphragm, and 8 gpd max flow rate. It operates on 115V AC and features PVDF/PTFE seals, PVDF fittings, ceramic check balls, and ±1.0% reproducibility.

Frequently Asked Questions

What is the LMI PUMPS Chemical Metering Pump E731-313NI used for?

The LMI PUMPS E731-313NI is a compact solenoid-driven diaphragm metering pump designed for precise chemical dosing in water treatment, industrial processing, and chemical injection applications. It handles aggressive fluids with its PVDF head, PTFE diaphragm, and ceramic check balls, delivering up to 8 gpd at 115V AC.

What are the specifications of the LMI PUMPS E731-313NI?

The LMI PUMPS E731-313NI operates on 115V AC, has a PVDF head with PTFE diaphragm, and delivers a maximum flow rate of 8 gpd. It features PVDF/PTFE seals, PVDF fittings, ceramic check balls, and ±1.0% reproducibility. The diaphragm material is PTFE, and the seal material is PVDF/PTFE.

Where to buy the LMI PUMPS E731-313NI worldwide?

3G Electric supplies the LMI PUMPS E731-313NI chemical metering pump worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this pump to any country.

How to install the LMI PUMPS solenoid metering pump?

Install the LMI PUMPS E731-313NI on a stable vertical surface near the chemical source. Ensure the suction line is leak-free and the discharge line has a back-pressure valve. Prime the pump by loosening the bleed valve until fluid flows. Always follow LMI PUMPS guidelines for electrical connections and chemical compatibility.

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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Cross-referenced by specification & description
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 8 gpd Max. Flow Rate (MPN E731-313SI)
LMI PUMPS
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 8 gpd Max. Flow Rate (MPN E731-313SI)
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVC Head, PTFE Diaphragm, 8 gpd Max. Flow Rate (MPN E731-418SI)
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LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVC Head, PTFE Diaphragm, 8 gpd Max. Flow Rate (MPN E731-418SI)
This compact solenoid-driven diaphragm metering pump features a PVC head, PTFE diaphragm, and ceramic check balls. It delivers a maximum flow rate of 8 gpd at 115V AC with ±1.0% reproducibility. The pump is suited for precise chemical dosing in water treatment, industrial processing, and chemical injection systems
LMI PUMPS
This compact solenoid-driven diaphragm metering pump features a PVC head, PTFE diaphragm, and ceramic check balls. It delivers a maximum flow rate of 8 gpd at 115V AC with ±1.0% reproducibility. The pump is suited for precise chemical dosing in water treatment, industrial processing, and chemical injection systems
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
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVC Head, PTFE Diaphragm, 8 gpd Max. Flow Rate (MPN E731-D18HI)
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LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVC Head, PTFE Diaphragm, 8 gpd Max. Flow Rate (MPN E731-D18HI)
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 4 gpd Max. Flow Rate (MPN E721-363SI)
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LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 4 gpd Max. Flow Rate (MPN E721-363SI)

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