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

LMI PUMPS B121-D90HI Compact Solenoid-Driven Diaphragm Metering Pump - Compact Solenoid-Driven Diaphragm Metering Pumps
LMI PUMPSCompact Solenoid-Driven Diaphragm Metering Pumps

LMI PUMPS B121-D90HI Compact Solenoid-Driven Diaphragm Metering Pump

The LMI PUMPS Chemical Metering Pump is a compact solenoid-driven diaphragm metering pump (MPN B121-D90HI) with a 115V AC nameplate voltage, PVC head, PTFE diaphragm, and a maximum flow rate of 60 gpd. It features a…

SKU 3G-OTH-88909

Also listed as: B121D90HI · B121 D90HI

Brand
LMI PUMPS
Item
B121-D90HI 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
B121-D90HI
Type
PVC Head, PTFE Diaphragm, 60 gpd Max. Flow Rate
AC
115V
Seal Material
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 is a compact solenoid-driven diaphragm metering pump (MPN B121-D90HI) with a 115V AC nameplate voltage, PVC head, PTFE diaphragm, and a maximum flow rate of 60 gpd. It features a Polyprel seal material, ceramic check ball material, and PVC fitting material, with a reproducibility of ±1.0%.

Frequently Asked Questions

What is the LMI PUMPS B121-D90HI chemical metering pump used for?

The LMI PUMPS B121-D90HI 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, delivering a maximum flow rate of 60 gpd at 115V AC.

What are the specifications of the LMI PUMPS B121-D90HI metering pump?

The LMI PUMPS B121-D90HI has a nameplate voltage of 115V AC, a maximum flow rate of 60 gpd, and a reproducibility of ±1.0%. It features a PVC head, PTFE diaphragm, Polyprel seal material, ceramic check ball material, and PVC fitting material. The diaphragm material is PTFE, and the seal material is Polyprel.

Where to buy the LMI PUMPS B121-D90HI metering pump worldwide?

You can source the LMI PUMPS B121-D90HI chemical metering pump 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; we supply this pump to procurement teams and plant engineers globally.

How to install the LMI PUMPS B121-D90HI solenoid metering pump?

Install the LMI PUMPS B121-D90HI by mounting it vertically near the chemical source, ensuring proper suction and discharge line connections with PVC fittings. Prime the pump before operation, verify the 115V AC power supply matches the nameplate, and follow standard diaphragm pump best practices for leak-free operation. Consult the manual for specific torque values.

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
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 reproducibility of ±1.0%. Fittings are PVC, seals are Polyprel. Used 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 a maximum flow rate of 60 gpd and reproducibility of ±1.0%. Fittings are PVC, seals are Polyprel. Used for precise chemical dosing in water treatment and industrial processing
Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, ceramic check balls, PVDF fittings, and Polyprel seals. Operates on 115V AC, delivers maximum flow rate of 60 gpd with ±1.0% reproducibility. 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, ceramic check balls, PVDF fittings, and Polyprel seals. Operates on 115V AC, delivers maximum flow rate of 60 gpd 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 115V AC operation, PVC head, PTFE diaphragm, and maximum flow rate of 60 gpd. Features ±1.0% reproducibility, ceramic check balls, PVC fittings, and PVDF/Polyprel seals. Suitable for precise chemical dosing in water treatment and industrial processing applications
LMI PUMPS
Compact solenoid-driven diaphragm metering pump with 115V AC operation, PVC head, PTFE diaphragm, and maximum flow rate of 60 gpd. Features ±1.0% reproducibility, ceramic check balls, PVC fittings, and PVDF/Polyprel seals. Suitable for precise chemical dosing in water treatment and industrial processing applications
Compact solenoid-driven diaphragm metering pump with 115V AC, PVC head, PTFE diaphragm, 60 gpd max flow rate, ±1.0% reproducibility. Features ceramic check balls, PVDF/Polyprel seals, and PVC fittings. Suitable for precise chemical injection in water treatment and industrial processing
LMI PUMPS
Compact solenoid-driven diaphragm metering pump with 115V AC, PVC head, PTFE diaphragm, 60 gpd max flow rate, ±1.0% reproducibility. Features ceramic check balls, PVDF/Polyprel seals, and PVC fittings. Suitable for precise chemical injection in water treatment and industrial processing
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVC Head, PTFE Diaphragm, 60 gpd Max. Flow Rate (MPN B121-490SI)
LMI PUMPS
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVC Head, PTFE Diaphragm, 60 gpd Max. Flow Rate (MPN B121-490SI)
Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, and ceramic check balls. Rated 115V AC, maximum flow 60 gpd, reproducibility ±1.0%. Fittings and seals are PVC and Polyprel respectively. 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. Rated 115V AC, maximum flow 60 gpd, reproducibility ±1.0%. Fittings and seals are PVC and Polyprel respectively. Suitable for precise chemical dosing in water treatment and industrial processing

More from LMI PUMPS

View all LMI PUMPS parts
This compact solenoid-driven diaphragm metering pump operates on 115V AC and delivers a maximum flow rate of 60 gpd with ±1.0% reproducibility. It features a PVC head, PTFE diaphragm, ceramic check balls, Polyprel seals, and PVC fittings. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications
LMI PUMPS
This compact solenoid-driven diaphragm metering pump operates on 115V AC and delivers a maximum flow rate of 60 gpd with ±1.0% reproducibility. It features a PVC head, PTFE diaphragm, ceramic check balls, Polyprel seals, and PVC fittings. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications
This compact solenoid-driven diaphragm metering pump operates on 115V AC and features an acrylic/PP head, PTFE diaphragm, 316 SS check balls, and FKM seals. It provides a reproducibility of ±1.0% for precise chemical dosing. Typical applications include water treatment, industrial processing, and chemical injection where accurate metering of aggressive fluids is required
LMI PUMPS
This compact solenoid-driven diaphragm metering pump operates on 115V AC and features an acrylic/PP head, PTFE diaphragm, 316 SS check balls, and FKM seals. It provides a reproducibility of ±1.0% for precise chemical dosing. Typical applications include water treatment, industrial processing, and chemical injection where accurate metering of aggressive fluids is required
Compact solenoid-driven diaphragm metering pump with PVDF head, PTFE diaphragm, ceramic check balls, PVDF fittings, and PVDF/PTFE seals. Operates at 115V AC with ±1.0% reproducibility. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications where corrosion resistance is required
LMI PUMPS
Compact solenoid-driven diaphragm metering pump with PVDF head, PTFE diaphragm, ceramic check balls, PVDF fittings, and PVDF/PTFE seals. Operates at 115V AC with ±1.0% reproducibility. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection applications where corrosion resistance is required
This compact solenoid-driven diaphragm metering pump features a polypropylene (PP) head, PTFE diaphragm, and PTFE seals for chemical resistance. It operates on 115V AC with a maximum flow rate of 480 gpd and ceramic check balls. Reproducibility is ±1.0%. Typical applications include precise chemical dosing in water treatment and industrial processing
LMI PUMPS
This compact solenoid-driven diaphragm metering pump features a polypropylene (PP) head, PTFE diaphragm, and PTFE seals for chemical resistance. It operates on 115V AC with a maximum flow rate of 480 gpd and ceramic check balls. Reproducibility is ±1.0%. Typical applications include precise chemical dosing in water treatment and industrial processing
Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, and Polyprel seals. Operates on 115V AC with ceramic check balls and PVC fittings. Reproducibility ±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 Polyprel seals. Operates on 115V AC with ceramic check balls and PVC fittings. Reproducibility ±1.0%. Suitable for precise chemical dosing in water treatment and industrial processing
Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, and ceramic check balls. Features PVDF fittings and PVDF/Polyprel seals. 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
Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, and ceramic check balls. Features PVDF fittings and PVDF/Polyprel seals. 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
Solenoid-driven diaphragm metering pump with PVDF head, PTFE diaphragm, and ceramic check balls. Operates on 115/230V AC with ±3.0% reproducibility. Includes tank level input control program and PVDF fittings with PTFE seals. Suitable for precise chemical dosing in water treatment and industrial processing
LMI PUMPS
Solenoid-driven diaphragm metering pump with PVDF head, PTFE diaphragm, and ceramic check balls. Operates on 115/230V AC with ±3.0% reproducibility. Includes tank level input control program and PVDF fittings with PTFE seals. Suitable for precise chemical dosing in water treatment and industrial processing
Compact solenoid-driven diaphragm metering pump with polypropylene head, PTFE diaphragm and seals, and ceramic check balls. Operates at 115V AC with a maximum flow rate of 2.5 gpd and reproducibility of ±1.0%. Suitable for precise chemical dosing in water treatment and industrial processing applications
LMI PUMPS
Compact solenoid-driven diaphragm metering pump with polypropylene head, PTFE diaphragm and seals, and ceramic check balls. Operates at 115V AC with a maximum flow rate of 2.5 gpd and reproducibility of ±1.0%. Suitable for precise chemical dosing in water treatment and industrial processing applications