We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 1000:1 - 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, 1000:1

The LMI PUMPS Chemical Metering Pump is a compact solenoid-driven diaphragm metering pump (MPN B741-312SI) with a PVDF head, PTFE diaphragm, and PVDF fittings. It operates at 115V AC with a reproducibility of ±1.0%…

SKU 3G-OTH-85500

Also listed as: B741312SI · B741 312SI

Brand
LMI PUMPS
Item
Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 1000:1
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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

LMI PUMPS
Manufacturer Part Number
B741-312SI
Type
PVDF Head, PTFE Diaphragm, PVDF, 1/2 in
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

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 B741-312SI) with a PVDF head, PTFE diaphragm, and PVDF fittings. It operates at 115V AC with a reproducibility of ±1.0%, featuring ceramic check balls and PVDF/Polyprel seals.

Frequently Asked Questions

What is the LMI PUMPS B741-312SI chemical metering pump used for?

The LMI PUMPS B741-312SI is a compact solenoid-driven diaphragm metering pump designed for precise chemical dosing in water treatment, industrial processing, and chemical injection applications. Its PVDF head and PTFE diaphragm provide excellent chemical resistance, making it suitable for aggressive fluids.

What are the specifications of the LMI PUMPS B741-312SI?

The LMI PUMPS B741-312SI operates at 115V AC with a reproducibility of ±1.0%. It features a PVDF head, PTFE diaphragm, ceramic check balls, PVDF fittings, and PVDF/Polyprel seals. The pump uses a 1/2 in connection and is a solenoid-driven metering pump from LMI PUMPS.

Where to buy the LMI PUMPS B741-312SI worldwide?

3G Electric supplies the LMI PUMPS B741-312SI chemical metering pump worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this LMI PUMPS model.

How to install the LMI PUMPS B741-312SI metering pump?

Install the LMI PUMPS B741-312SI on a stable surface near the chemical source. Connect the suction and discharge lines using the 1/2 in PVDF fittings, ensuring proper sealing. Wire the pump to a 115V AC power supply. Prime the pump before operation and follow LMI PUMPS guidelines for safe chemical handling.

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
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 1000:1, PVDF, 1/2 in (MPN B741-313SI)
LMI PUMPS
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 1000:1, PVDF, 1/2 in (MPN B741-313SI)
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 1000:1, PVDF, 1/2 in (MPN B141-312SI)
LMI PUMPS
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 1000:1, PVDF, 1/2 in (MPN B141-312SI)
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 1000:1, PVDF, 3/8 in (MPN B141-312NI)
LMI PUMPS
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 1000:1, PVDF, 3/8 in (MPN B141-312NI)
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 1000:1, PVDF, 1/2 in (MPN B141-313SI)
LMI PUMPS
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 1000:1, PVDF, 1/2 in (MPN B141-313SI)
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 1000:1, PVDF, 3/8 in (MPN B731-362SI)
LMI PUMPS
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 1000:1, PVDF, 3/8 in (MPN B731-362SI)
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 1000:1, PVDF, 1/2 in (MPN C731-312SI)
LMI PUMPS
LMI PUMPS Chemical Metering Pump: Solenoid, 115V AC, PVDF Head, PTFE Diaphragm, 1000:1, PVDF, 1/2 in (MPN C731-312SI)

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 a maximum flow rate of 96 gpd and reproducibility of ±1.0%. Features PVDF/Polyprel seals and PVC fittings. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection systems
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 96 gpd and reproducibility of ±1.0%. Features PVDF/Polyprel seals and PVC fittings. Suitable for precise chemical dosing in water treatment, industrial processing, and chemical injection systems
Compact solenoid-driven diaphragm metering pump for precise chemical dosing. Features an acrylic/PP head, PTFE diaphragm, ceramic check balls, and FKM seals. Operates on 115V AC with ±1.0% reproducibility. Suitable for water treatment, industrial processing, and chemical injection applications
LMI PUMPS
Compact solenoid-driven diaphragm metering pump for precise chemical dosing. Features an acrylic/PP head, PTFE diaphragm, ceramic check balls, and FKM seals. Operates on 115V AC with ±1.0% reproducibility. Suitable for water treatment, industrial processing, and chemical injection applications
This compact solenoid-driven diaphragm metering pump features a PVDF head, PTFE diaphragm, and ceramic check balls. It operates on 115/230V AC with a reproducibility of ±3.0%. 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 PVDF head, PTFE diaphragm, and ceramic check balls. It operates on 115/230V AC with a reproducibility of ±3.0%. The pump is suited for precise chemical dosing in water treatment, industrial processing, and chemical injection applications
Compact solenoid-driven diaphragm metering pump with PVC head and PTFE diaphragm. Operates at 115V AC with a maximum flow rate of 4 gpd and reproducibility of ±1.0%. Features PVDF/Polyprel seal, ceramic check balls, and PVC fittings. Used for precise chemical dosing in water treatment and industrial processing
LMI PUMPS
Compact solenoid-driven diaphragm metering pump with PVC head and PTFE diaphragm. Operates at 115V AC with a maximum flow rate of 4 gpd and reproducibility of ±1.0%. Features PVDF/Polyprel seal, ceramic check balls, and PVC fittings. Used 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. Operates at 115V AC with ±1.0% reproducibility. Features PVDF/Polyprel seals and PVC fittings. Suitable for precise chemical injection in water treatment, industrial processing, and chemical dosing applications
LMI PUMPS
Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, and ceramic check balls. Operates at 115V AC with ±1.0% reproducibility. Features PVDF/Polyprel seals and PVC fittings. Suitable for precise chemical injection in water treatment, industrial processing, and chemical dosing applications
This compact solenoid-driven diaphragm metering pump features a 316 stainless steel head, PTFE diaphragm, and 316 SS check balls, fittings, and seals. It operates at 115V AC with a 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 316 stainless steel head, PTFE diaphragm, and 316 SS check balls, fittings, and seals. It operates at 115V AC with a reproducibility of ±1.0%. Suitable for precise chemical dosing in water treatment and industrial processing applications
Compact solenoid-driven diaphragm metering pump with PVC head, PTFE diaphragm, and ceramic check balls. Operates at 115/230V AC with ±3.0% reproducibility. Includes tank level input control program. PVC fittings and Polyprel seals. 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 at 115/230V AC with ±3.0% reproducibility. Includes tank level input control program. PVC fittings and Polyprel seals. Suitable for precise chemical dosing in water treatment and industrial processing
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
LMI PUMPS
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