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Isocyanate lobe pumps are specialized positive displacement pumps designed for handling highly reactive, viscous, and moisture-sensitive isocyanates (TDI, MDI) used in polyurethane foam production. These pumps offer precise, pulse-free metering, featuring robust construction, sealless design options (like magnetic couplings), and materials compatible with isocyanates to prevent crystallization, leakage, and worker exposure.
Key Considerations for Isocyanate Lobe Pumps:
- Sealing and Safety: Due to the hazardous and toxic nature of isocyanates, sealless or magnetic-drive pumps are preferred to ensure no leakage.
- Moisture Sensitivity: Isocyanates react with humidity to form hard crystals, which can damage seals and pump components; therefore, these pumps must prevent moisture ingress.
- Material Compatibility: Pumps are usually made of stainless steel or specialized materials resistant to crystallization and chemical reactions.
- Viscosity and Flow: Designed to manage high viscosity and maintain consistent, accurate flow for dosing applications.
- Applications: Commonly used in the chemical industry for transferring, metering, and dispensing isocyanates.
For specialized pumping solutions, explore the Rotary Lobe Pumps for Isocyanate factory and manufacturer provided by BONVE PUMPS. For a broader understanding of pump types and their applications in the polyurethane industry, check out the resources from Michael Smith Engineers.
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Rotary Lobe Pumps For Isocyanate factory and manufacturer
BONVE PUMPS
https://www.bonvepumps.com › rotary-lobe-pumps-for-i...
BONVE PUMPS
https://www.bonvepumps.com › rotary-lobe-pumps-for-i...
Rotary Lobe Pumps For Isocyanate. Also know as TDI, MDI, or diisocyanate - isocyanate is used as a hardening or curing agent in polyurethane foams, ...Read more
Isocyanate - Leader in Positive Displacement Pumps
Viking Pump
https://www.vikingpump.com › liquids › isocyanate
Viking Pump
https://www.vikingpump.com › liquids › isocyanate
Viking Pump invented, patented and manufactured the very first sealless mag drive rotary positive displacement (PD) pumps in the world.Read more
Custom Isocyanate Lobe Pump factory | Bonvepumps.com
BONVE PUMPS
https://www.bonvepumps.com › isocyanate-lobe-pump_sp
BONVE PUMPS
https://www.bonvepumps.com › isocyanate-lobe-pump_sp
Lobe pump with heating jacket on the pump working chamber, designed for products that require temperature control such as sugars, chocolates. You can engage in ...
Useful information on pumps for isocyanates and polyols
Michael Smith Engineers
https://www.michael-smith-engineers.co.uk › useful-info
Michael Smith Engineers
https://www.michael-smith-engineers.co.uk › useful-info
The safest solution for isocyanate transfer is to use magnetically coupled 'sealless' gear pumps or diaphragm pumps. In these systems, the pump chamber is ...Read more
People also ask
How does a lobe pump work?
Lobe pumps are similar to gear pumps in that the pump operates by two Y or I shaped lobes which are aligned vertically rotating within a pump casing. The timing is controlled via a gearbox and timing gear which prevents the lobes from making contact with each other ensuring they rotate 90° out of phase.
What Are Lobe Pumps? - North Ridge Pumps
North Ridge Pumps
https://www.northridgepumps.com › article-86_what-are...
North Ridge Pumps
https://www.northridgepumps.com › article-86_what-are...
What are the disadvantages of a lobe pump?
One disadvantage with the use of rotary lobe pumps is the unsteady displacement process which produces pressure pulsations, specifically in long and rigid pipelines and non-compressible liquids. The result is vibration of pump and piping, which increases the risk of cavitation on the suction side.
Pulsation problems in rotary lobe pumps - ScienceDirect
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
Can a lobe pump run dry?
Unable to run dry for extended periods of time
A rotary lobe pump cannot run dry without destroying its expensive stators and rotors due to the pumped fluid acting as a lubricator between the rotor and stator. QUANTM electric pumps can run dry without causing any damage to the system, avoiding expensive repairs.
A rotary lobe pump cannot run dry without destroying its expensive stators and rotors due to the pumped fluid acting as a lubricator between the rotor and stator. QUANTM electric pumps can run dry without causing any damage to the system, avoiding expensive repairs.
Rotary Lobe Pump Advantages and Disadvantages vs EODD Pumps
Graco Inc.
https://www.graco.com › solutions › articles › rotary-lob...
Graco Inc.
https://www.graco.com › solutions › articles › rotary-lob...
Web results
Identifying the Best Pump for Handling Dilatant Isocyanates
Fluid Handling Pro
https://fluidhandlingpro.com › News › Innovations
Fluid Handling Pro
https://fluidhandlingpro.com › News › Innovations
Seal-less eccentric disc pumps provide the strong suction, wear compensation and product containment needed for transferring dangerous dilatant isocyanates.
How Isocyanate-Handling Pumps Prevent Chemical ...
Thomson Process
https://www.thomsonprocess.ie › how-isocyanate-handli...
Thomson Process
https://www.thomsonprocess.ie › how-isocyanate-handli...
Nov 24, 2025 — Isocyanate handling pumps help prevent leaks, crystallisation and downtime by ensuring safe transfer, consistent flow control and long-term ...
Web results
Rotary Lobe Pumps For Isocyanate factory and manufacturer
Pinterest
https://www.pinterest.com › pin › rotary-lobe-pumps-fo...
Pinterest
https://www.pinterest.com › pin › rotary-lobe-pumps-fo...
Professional Rotary Lobe Pumps For Isocyanate,lobe pump for isocyanate manufacturer!Suitable for high viscosity liquids,quality assurance!Contact us now!
Ratory Lobe Pump/ Rotor Pump With Low Operating Cost
Alibaba.com
https://www.alibaba.com › ... › Pumps & Parts › Pumps
Alibaba.com
https://www.alibaba.com › ... › Pumps & Parts › Pumps
Key attributes ; Food And Beverage Industry. application. Gear Pump. structure ; 1 - 1,000 m³/h. Max Flow Rate. 0.1 -10 Bar. Max Pressure ; Electric. power source.
CN1165526A - Apparatus and method for dispersing isocyanate- ...
Google Patents
https://patents.google.com › patent
Google Patents
https://patents.google.com › patent
Terminal can use measuring pump to transmit for the polyurethane prepolymer of isocyanates and feeding container material. ... pumps), lobe pump, screw pump and ...
Volumetric pumps for the pumping of isocyanates
idropres
https://www.idropres.com › ... › Archives: Applications
idropres
https://www.idropres.com › ... › Archives: Applications
Industrial cycloidal gear pumps for pumping isocyanates with relatively low maintenance and process monitoring costs. Self-priming pumps for isocyanates.