Plastics
With LEWA Products Throughout the Production Process
LEWA empowers manufacturers in the plastics industry with a comprehensive range of pumps and custom-built systems designed to optimize every stage of production. We cater to various materials like polyethylene, polypropylene, polyurethane, and polyamide, offering specialized metering systems for compounding, catalyst handling, and even foaming agent applications.
Our expertise extends beyond just pumps. LEWA provides in-depth knowledge of compounding processes, ensuring the precise addition of waxes, flame retardants, and lubricants to achieve the desired material properties.
Optimizing Every Stage: LEWA's Pump Systems for Plastics Processing
Our team of experts stands ready to assist you throughout the process, offering valuable advice and collaborating with you to develop custom metering solutions tailored to your specific needs in the plastics industry. LEWA's renowned expertise, particularly in polyethylene processing, is valued worldwide. The following table provides a glimpse into the diverse applications LEWA's metering systems can address within the plastics processing industry.
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LEWA goes beyond pumps to become your partner in optimizing the entire plastics processing workflow. Our expertise empowers you in crucial stages like compounding, where we ensure precise metering of additives like flame retardants, lubricants, and more, using our advanced pump systems. This precise control allows you to achieve the desired material properties for your final product. LEWA's solutions extend to foaming agent metering for foam extrusion processes, providing a comprehensive range of tools to streamline your entire plastics production line.
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Solutions for Plastics Processing
The LEWA ecofoam system stands out as a reliable and modular metering solution specifically designed for physically foaming polyolefins, such as polyethylene. Trusted by leading manufacturers worldwide, ecofoam offers exceptional control and precision in metering, resulting in several key benefits for your plastics production:
Consistent High-Quality Products: Precise metering ensures your foamed plastics consistently meet the highest quality standards.
Reduced Scrap Rates: Minimize material waste with ecofoam's accurate control, leading to significant cost savings.
Advantages of the LEWA Pumps and Systems in the Plastics Industry
High end pumps, equipment and systems
We deliver high-end pumps integrated into complete systems and units for your specific applications. In doing so, we of course rely on the tried-and-tested LEWA quality.
Flexible application
High variability in operation in terms of pressure, temperature, flow rate and fluid properties with high metering accuracy guarantee a wide range of applications.
Tried and tested modular system
We design our systems and units in modular design with numerous engine and pump head combinations for different applications.
Special materials
On request, we can build systems with special materials such as Hastelloy, titanium, duplex stainless steel or further materials. If you are interested, please contact our product manager.
Heating and cooling devices
We respond flexibly to extreme requirements: Pump heads and the complete chemical pump can be equipped with a heating or cooling device, if necessary.
Patented sandwich diaphragm
Our patented diaphragm metering pumps use metal or PTFE sandwich diaphragms with Diaphragm Protection System (DPS) for maximum operational safety.
Easy to clean
An especially important advantage for pharmaceutical and food industry is that our systems can be quickly and easily cleaned with cleaning chemicals or hot steam.
Explosion protection
Safety comes first: LEWA supplies systems and units, also available with explosion-proof motors for safety of your employees.
International standards
LEWA pumps, systems and units are compliant with major international standards such as DVGW G280, WHG, PED, ISO 9001, ASME, ATEX and TA-Luft. Of course, you can also define your own standards.
Applications
Additive metering for plastics
LEWA provides system solutions for metering additives for plastics. Ask our additive metering experts for more information!
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Polymerization
LEWA manufactures metering pumps and metering systems for polymerization which optimally meet the necessary requirements. We are happy to help.
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Extruder blowing agents
Precise metering of blowing agents into extruders with LEWA systems. We provide you insights on the metering accuracy and process optimization solutions from LEWA.
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Production of melamines
LEWA metering and process diaphragm pumps meet the specific demands for the production of melamine (trimerization of urea). Consult us!
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Chemical metering in high-pressure cleaning systems
LEWA metering and process diaphragm pumps meet the specific demands for the production of melamine (trimerization of urea). Consult us!
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Production of polyurethane
LEWA is your reliable production process partner for conveying preliminary and intermediate products during the production of polyurethane.
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Metering of caprolactam
Completely heatable process diaphragm pumps, optimized for continuous operation, are required for the production of caprolactam as a base for polyamide 6.
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Metering of silane
LEWA systems meter any silane type reliably, precisely as well as in constant consistency and purity, regardless of chemical or physical attributes or process requirements.
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Polymerization in EVA reactors with process pumps
Production of ethylene vinyl acetate (EVA) with LEWA process pumps. We provide you with the right pump and advice for your application.
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LEWA ecoflow® Diaphragm Metering Pump
LEWA ecoflow: The Innovative Universal Metering Pump with DPS Diaphragm Protection. Trusted across all industries, this modular system pump excels in a wide range of applications. Experience unparalleled versatility and reliability with our ecoflow, the ultimate choice in metering pump technology.
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LEWA ecoflow® Packed Plunger Metering Pumps
Opt for the LEWA ecoflow packed plunger metering pump, a robust and reliable choice for hassle-free fluid metering. Available in multiple models to suit diverse processes, it's the metering pump trusted by industry leaders for consistent performance.
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LEWA ecosmart®: Diaphragm Metering Pumps
Experience the innovative LEWA ecosmart, a compact diaphragm metering pump offering multiplex capabilities at a competitive price. We assure the renowned LEWA quality, backed by our 70 years of market expertise. Choose LEWA ecosmart for smart metering pump solutions without compromising on quality or performance.
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LEWA ecodos®: Mechanical Diaphragm Metering Pumps
The LEWA ecodos metering pump delivers absolute reliability, cost-efficiency, and adaptability for applications preferring non-diaphragm actuation. Trust in our proven modular system to design the optimal metering pump tailored to your specific needs.
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LEWA intellidrive®:Mechatronic Diaphragm Metering Pump Technology
Customize both suction and discharge strokes to fit your precise specifications with the LEWA intellidrive® diaphragm metering pump. This technology allows you to individually shape pumping characteristics, ensuring optimal metering for your applications.
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LEWA FC: High-Precision Laboratory Metering Pumps
Explore our precision metering pumps designed for micro-flow rates. The FC series, capable of handling pressures up to 400 bar, is tailor-made for laboratory and test center applications, offering unparalleled accuracy for small-scale fluid management.
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NIKKISO NON-SEAL canned motor pump
The NIKKISO NON-SEAL canned motor pump has been designed specifically for the chemical industry. To do this, the centrifugal pump is designed in accordance with API 685.
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Wilden standard air-operated diaphragm pump
As the inventor of the compressed air-operated double-diaphragm pump, Wilden Pump & Engineering Co. introduced the first pump of this design in 1955.
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LEWA ecofoam® Blowing Agent Metering System
Redundantly designed, absolutely leak-proof system working in combination with extruders for metering various blowing agents in plastic production.
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Customer-Specific Metering, Mixing or Filling Systems from LEWA
Customer-specific batch/continuous systems for your production process. Metering, mixing, filling, separating, controlling temperature: We work with you to develop the ideal process-related sequence and produce the system that fits your production process – right up to the end product.
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Customer-Specific Metering Systems from LEWA
Turnkey metering system in closed loop control with monitoring and plausibility testing equipment. Your individually configured metering system with an optimally designed pump for fluid metering in automated processes.
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Richter shut-off, control, and safety valves
The Richter product range is practically seamless for corrosion-resistant shut-off, safety, sampling, check and sight-glass valves as well as control devices for control and shut-off tasks.
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