Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

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 (MPN B111-490SI) is a compact solenoid-driven diaphragm metering pump with a PVC head and PTFE diaphragm. It operates at 115V AC with a reproducibility of ±1.0%, and features…

SKU 3G-OTH-83138

Also listed as: B111490SI · B111 490SI

Brand
LMI PUMPS
Item
Compact Solenoid-Driven Diaphragm Metering Pump
Category
Compact Solenoid-Driven Diaphragm Metering Pumps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
B111-490SI
Type
PVC Head, PTFE Diaphragm, Thermoplastic
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

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The LMI PUMPS Chemical Metering Pump (MPN B111-490SI) is a compact solenoid-driven diaphragm metering pump with a PVC head and PTFE diaphragm. It operates at 115V AC with a reproducibility of ±1.0%, and features ceramic check balls, PVDF/Polyprel seals, and PVC fittings.

Frequently Asked Questions

What is the LMI PUMPS B111-490SI chemical metering pump used for?

The LMI PUMPS B111-490SI 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 PVC head, PTFE diaphragm, and ceramic check balls.

What are the specifications of the LMI PUMPS B111-490SI?

The LMI PUMPS B111-490SI operates at 115V AC with a reproducibility of ±1.0%. It features a PVC head, PTFE diaphragm, ceramic check balls, PVDF/Polyprel seals, and PVC fittings. The diaphragm material is PTFE, and the pump is a thermoplastic compact solenoid-driven metering pump.

Where to buy the LMI PUMPS B111-490SI worldwide?

You can source the LMI PUMPS B111-490SI through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the LMI PUMPS B111-490SI chemical metering pump?

Install the LMI PUMPS B111-490SI on a stable, level surface near the chemical source. Ensure proper suction and discharge piping with compatible fittings. Prime the pump before operation and verify electrical connections match the 115V AC nameplate voltage. Follow LMI PUMPS guidelines for diaphragm and check valve maintenance.

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.

You might also need

Pump Accessories Valves & Regulation Motors & Drives All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
This compact solenoid-driven diaphragm metering pump features a PVC head, PTFE diaphragm, and ceramic check balls. It operates at 115V AC with ±1.0% reproducibility. The pump is suited for precise chemical dosing in water treatment, industrial processing, and chemical injection applications
LMI PUMPS
This compact solenoid-driven diaphragm metering pump features a PVC head, PTFE diaphragm, and ceramic check balls. It operates at 115V AC with ±1.0% reproducibility. The pump is suited for precise chemical dosing in water treatment, industrial processing, and chemical injection applications
This compact solenoid-driven diaphragm metering pump features a PVC head, PTFE diaphragm, ceramic check balls, and PVDF/Polyprel seals. It operates at 115V AC with PVC fittings and a thermoplastic body, offering ±1.0% reproducibility. Suitable for precise chemical injection in water treatment, industrial processing, and chemical dosing applications
LMI PUMPS
This compact solenoid-driven diaphragm metering pump features a PVC head, PTFE diaphragm, ceramic check balls, and PVDF/Polyprel seals. It operates at 115V AC with PVC fittings and a thermoplastic body, offering ±1.0% reproducibility. Suitable for precise chemical injection in water treatment, industrial processing, and chemical dosing applications
This compact solenoid-driven diaphragm metering pump features a PVC head, PTFE diaphragm, and PVDF fittings. It operates on 115V AC with ceramic check balls and PVDF/Polyprel seals, providing ±1.0% reproducibility. Suitable for precise chemical dosing in water treatment and industrial processing applications
LMI PUMPS
This compact solenoid-driven diaphragm metering pump features a PVC head, PTFE diaphragm, and PVDF fittings. It operates on 115V AC with ceramic check balls and PVDF/Polyprel seals, providing ±1.0% reproducibility. Suitable for precise chemical dosing in water treatment and industrial processing applications
This compact solenoid-driven diaphragm metering pump operates on 115V AC and features a PVC head, PTFE diaphragm, PVDF/Polyprel seals, ceramic check balls, and PVC fittings. It offers a 1000:1 turndown ratio and reproducibility of ±1.0%. Typical applications include precise chemical dosing in water treatment, industrial processing, and chemical injection systems
LMI PUMPS
This compact solenoid-driven diaphragm metering pump operates on 115V AC and features a PVC head, PTFE diaphragm, PVDF/Polyprel seals, ceramic check balls, and PVC fittings. It offers a 1000:1 turndown ratio and 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, and thermoplastic body. Operates on 115V AC with ceramic check balls, PVDF/Polyprel seals, and PVC fittings. Reproducibility of ±1.0%. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications
LMI PUMPS
Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, and thermoplastic body. Operates on 115V AC with ceramic check balls, PVDF/Polyprel seals, and PVC fittings. Reproducibility of ±1.0%. 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 ceramic check balls. Operates on 115V AC with ±1.0% reproducibility. Features PVDF/Polyprel seals and PVC fittings. Suitable for precise chemical injection in water treatment and industrial processing applications
LMI PUMPS
Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, and ceramic check balls. Operates on 115V AC with ±1.0% reproducibility. Features PVDF/Polyprel seals and PVC fittings. Suitable for precise chemical injection in water treatment and industrial processing applications

More from LMI PUMPS

View all LMI PUMPS parts
Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, and ceramic check balls. Operates on 115V AC with PVDF/Polyprel seals and PVC fittings. Reproducibility of ±1.0%. Suitable for precise chemical dosing in water treatment and industrial processing
LMI PUMPS
Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, and ceramic check balls. Operates on 115V AC with PVDF/Polyprel seals and PVC fittings. Reproducibility of ±1.0%. Suitable for precise chemical dosing in water treatment and industrial processing
This compact solenoid-driven diaphragm metering pump features a PVC head, PTFE diaphragm, ceramic check balls, and PVDF/Polyprel seals. It operates at 115V AC with a maximum flow rate of 60 gpd and reproducibility of ±1.0%. Suitable for precise chemical dosing in water treatment and industrial processing applications
LMI PUMPS
This compact solenoid-driven diaphragm metering pump features a PVC head, PTFE diaphragm, ceramic check balls, and PVDF/Polyprel seals. It operates at 115V AC with a maximum flow rate of 60 gpd and reproducibility of ±1.0%. Suitable for precise chemical dosing in water treatment and industrial processing applications
Compact solenoid-driven diaphragm metering pump with 115V AC operation. Features a 316 stainless steel head, PTFE diaphragm, and 316 SS check balls, fittings, and seals. Reproducibility of ±1.0%. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications
LMI PUMPS
Compact solenoid-driven diaphragm metering pump with 115V AC operation. Features a 316 stainless steel head, PTFE diaphragm, and 316 SS check balls, fittings, and seals. Reproducibility of ±1.0%. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications
This compact solenoid-driven diaphragm metering pump from LMI PUMPS features a 316 stainless steel head, PTFE diaphragm, and PTFE seals. It operates on 115V AC and provides reproducibility of ±1.0%. The pump includes 316 SS check balls and fittings, suitable for precise chemical dosing in water treatment and industrial processing applications
LMI PUMPS
This compact solenoid-driven diaphragm metering pump from LMI PUMPS features a 316 stainless steel head, PTFE diaphragm, and PTFE seals. It operates on 115V AC and provides reproducibility of ±1.0%. The pump includes 316 SS check balls and fittings, suitable for precise chemical dosing in water treatment and industrial processing applications
Compact solenoid-driven diaphragm metering pump with polypropylene head and fittings, PTFE diaphragm and seals, and ceramic check balls. Operates on 115/230V AC with ±3.0% reproducibility. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications where compatibility with aggressive fluids is required
LMI PUMPS
Compact solenoid-driven diaphragm metering pump with polypropylene head and fittings, PTFE diaphragm and seals, and ceramic check balls. Operates on 115/230V AC with ±3.0% reproducibility. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications where compatibility with aggressive fluids is required
This compact solenoid-driven diaphragm metering pump features a PVC head, PTFE diaphragm, and ceramic check balls. It operates at 115V AC with a reproducibility of ±1.0%. The pump includes PVDF/Polyprel seals and PVC fittings, suitable for precise chemical injection in water treatment and industrial processing applications
LMI PUMPS
This compact solenoid-driven diaphragm metering pump features a PVC head, PTFE diaphragm, and ceramic check balls. It operates at 115V AC with a reproducibility of ±1.0%. The pump includes PVDF/Polyprel seals and PVC fittings, suitable for precise chemical injection in water treatment and industrial processing applications
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%. Features PVDF/Polyprel seals and PVC fittings. 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 ceramic check balls. Operates at 115V AC with a maximum flow rate of 60 gpd and reproducibility of ±1.0%. Features 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 PVDF head, PTFE diaphragm, and ceramic check balls. Operates at 115V AC with ±1.0% reproducibility. Features PVDF fittings and PVDF/Polyprel seals. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications
LMI PUMPS
Compact solenoid-driven diaphragm metering pump with PVDF head, PTFE diaphragm, and ceramic check balls. Operates at 115V AC with ±1.0% reproducibility. Features PVDF fittings and PVDF/Polyprel seals. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications