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

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

The LMI PUMPS Chemical Metering Pump is a compact solenoid-driven diaphragm metering pump (MPN B721-398NI) with a 115V AC nameplate voltage, PTFE diaphragm, and ceramic check balls. It offers ±1.0% reproducibility…

SKU 3G-OTH-84723

Also listed as: B721398NI · B721 398NI

Brand
LMI PUMPS
Item
Chemical Metering Pump: Solenoid, 115V AC, PVC Head, PTFE Diaphragm
Category
Compact Solenoid-Driven Diaphragm Metering Pumps
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

LMI PUMPS
Manufacturer Part Number
B721-398NI
Type
PVC Head, PTFE Diaphragm, 60 gpd Max. Flow Rate
AC
115V
Seal Material
PVDF/Polyprel
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 B721-398NI) with a 115V AC nameplate voltage, PTFE diaphragm, and ceramic check balls. It offers ±1.0% reproducibility and features PVDF fittings with PVDF/Polyprel seals.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the LMI PUMPS B721-398NI chemical metering pump used for?

The LMI PUMPS B721-398NI is a compact solenoid-driven diaphragm metering pump used for precise chemical dosing in water treatment, industrial processing, and chemical injection applications. It handles aggressive fluids with its PTFE diaphragm and ceramic check balls, delivering up to 60 gpd at 115V AC.

What are the specifications of the LMI PUMPS B721-398NI?

The LMI PUMPS B721-398NI has a 115V AC nameplate voltage, PTFE diaphragm, PVC head, ceramic check balls, PVDF fittings, and PVDF/Polyprel seals. It offers ±1.0% reproducibility and a maximum flow rate of 60 gpd. The diaphragm material is PTFE, and the seal material is PVDF/Polyprel.

Where to buy the LMI PUMPS B721-398NI worldwide?

3G Electric supplies the LMI PUMPS B721-398NI chemical metering pump worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this compact solenoid-driven diaphragm pump.

How to install the LMI PUMPS B721-398NI chemical metering pump?

Install the LMI PUMPS B721-398NI on a stable, level surface near the chemical source. Connect PVDF fittings to suction and discharge lines, ensuring proper seal with PVDF/Polyprel seals. Wire the 115V AC supply per local codes. Prime the pump before operation and verify flow rate against the 60 gpd maximum.

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 115V AC operation. Features a PVC head, PTFE diaphragm, ceramic check balls, PVDF/Polyprel seals, and PVC fittings. Provides a maximum flow rate of 60 gpd with ±1.0% reproducibility. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications
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This compact solenoid-driven diaphragm metering pump features a PVC head, PTFE diaphragm, and ceramic check balls. It operates at 115V AC with a maximum flow rate of 60 gpd and reproducibility of ±1.0%. The pump is suited for precise chemical dosing in water treatment and industrial processing applications
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Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, and ceramic check balls. Operates on 115V AC with a maximum flow rate of 60 gpd and ±1.0% reproducibility. Features PVDF fittings and PVDF/Polyprel seals. Suitable for precise chemical dosing in water treatment and industrial processing applications
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Compact solenoid-driven diaphragm metering pump with a PVC head and PTFE diaphragm. Operates on 115V AC, delivering a maximum flow rate of 60 gpd with ±1.0% reproducibility. Features ceramic check balls, PVDF/Polyprel seals, and PVC fittings. 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 ceramic check balls. Operates at 115V AC with a maximum flow rate of 60 gpd and reproducibility of ±1.0%. PVDF/Polyprel seals and PVC fittings. Suitable for precise chemical dosing in water treatment and industrial processing applications

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