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Help CenterALMATEC Plastic Pump E40UNN Chemical Resistant Diaphragm Pump
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Rossonix Co., Limited is proud to present the ALMATEC Plastic Pump E40UNN Chemical Resistant Diaphragm Pump, a high-performance solution engineered for the safe and efficient transfer of corrosive and aggressive fluids. As a trusted trading company established in 2011 with annual exports exceeding US$5 million, we have supplied this robust pump to clients across North America, South America, Europe, Oceania, and the Middle East. Combining advanced engineering plastics with ALMATEC's proven diaphragm technology, the E40UNN offers exceptional chemical resistance, dry-run capability, and leak-free operation – making it the ideal choice for demanding industrial applications.
This pump is constructed from high-grade thermoplastics such as polypropylene (PP) and polyvinylidene fluoride (PVDF), which provide outstanding resistance to acids, alkalis, solvents, and other aggressive chemicals. The E40UNN operates on a compressed air-driven double diaphragm mechanism, eliminating the need for electrical connections and reducing the risk of sparks or explosions in hazardous environments. With its self-priming design and ability to run dry without damage, this pump minimizes downtime and maintenance costs while delivering reliable, consistent flow.
Below is a summary of key technical specifications. Please note that exact values may vary depending on the specific configuration and operating conditions. For detailed parameters, contact our technical team.
| Parameter | Value |
| Max Flow Rate | Up to 500 L/min (depending on air supply and head) |
| Max Discharge Pressure | Up to 8 bar (116 psi) |
| Max Suction Lift | Up to 8 m (dry) / 9.5 m (wet) |
| Max Temperature | Up to 95°C (PP) / 120°C (PVDF) |
| Max Solid Size | Up to 3 mm |
| Air Inlet Size | 1/2" NPT / BSP (standard) |
| Port Connections | 1" or 1-1/2" flanged/threaded (optional) |
| Weight | Approx. 15 kg (varies with configuration) |
Key Features and Benefits:
Exceptional Chemical Resistance: The pump's wetted parts are made from high-performance plastics (PP, PVDF, PTFE) and elastomers (EPDM, Viton, PTFE), ensuring compatibility with a wide range of aggressive chemicals including strong acids, bases, and solvents. This extends service life and reduces replacement costs.
Leak-Free, Sealless Design: The diaphragm pump operates without dynamic seals, eliminating leakage points and preventing hazardous fluid escape. This is critical for safety and environmental compliance.
Dry-Run Capability: The E40UNN can run dry indefinitely without damage, thanks to its robust diaphragm design and self-lubricating air valve. This protects the pump in case of accidental loss of suction.
Self-Priming and Dead-Head Safe: The pump is self-priming up to 8 meters dry lift and can tolerate dead-head operation without overheating or pressure buildup, simplifying system design and operation.
Explosion-Proof Operation: No electrical components are required – the pump is driven by compressed air only, making it inherently safe for use in flammable or explosive atmospheres (ATEX compatible upon request).
Low Maintenance and Easy Service: The modular design allows quick access to internal parts. Replacement of diaphragms, valves, or seals can be performed on-site with minimal downtime. No special tools needed.
Versatile Mounting Options: The pump can be installed in any orientation (vertical, horizontal, or submerged) and is available with optional accessories such as pulsation dampeners, level controls, and leak detectors.
Why Choose E40UNN for Your Chemical Transfer Needs?
The ALMATEC E40UNN is specifically designed for industries such as chemical processing, electroplating, water treatment, pharmaceutical, petrochemical, and metal finishing. Its ability to handle viscous liquids, slurries, and shear-sensitive fluids makes it a versatile replacement for centrifugal pumps. Compared to metallic pumps, the plastic construction eliminates corrosion risks and reduces weight, simplifying installation and handling.
Each pump undergoes rigorous quality testing before shipment. Rossonix Co., Limited operates with ISO9001 and ISO9000 certified processes, ensuring consistent product quality and traceability. We have shipped this model to over 20 countries, with strong after-sales support through our overseas office network.
Frequently Asked Questions (FAQ):
Q: What chemicals can the E40UNN pump handle?
A: The pump is compatible with a wide range of chemicals including hydrochloric acid, sulfuric acid, sodium hydroxide, hydrogen peroxide, and many organic solvents. The exact compatibility depends on the material selection (PP, PVDF, or PTFE). We recommend consulting our chemical resistance chart for your specific application.Q: Can this pump run dry permanently?
A: Yes, the E40UNN is designed to run dry indefinitely without damage, thanks to its self-lubricating air distribution system and robust diaphragm material. This feature makes it suitable for batching and intermittent operations.Q: What is the maximum flow rate and pressure?
A: Maximum flow rate can reach up to 500 L/min, and maximum discharge pressure is 8 bar (116 psi). Actual performance depends on air supply pressure, viscosity, and suction conditions. Contact us for a detailed performance curve.Q: Is the pump suitable for food-grade applications?
A: While the pump is made of FDA-compliant materials upon request, standard models are recommended for industrial chemicals. For food or pharmaceutical use, please specify and we can provide appropriate elastomer and plastic grades.Q: What are the available connection sizes?
A: Standard connections are 1" or 1-1/2" NPT/BSP threaded or flanged. Custom sizes and adapter kits are available upon request. Please advise your piping system requirements.Q: How often does the pump require maintenance?
A: Maintenance intervals depend on operating conditions. In typical applications, we recommend inspecting diaphragms and valves every 6–12 months. Replacement parts are easy to source and install.Q: Do you offer customization or OEM services?
A: Yes, Rossonix Co., Limited can provide customized solutions including special materials, port configurations, and accessories. Minimum order quantities may apply. Contact us with your specifications.Q: What is the delivery time?
A: Standard models are typically shipped within 15–30 days after order confirmation. For customized orders, please allow 30–45 days. We ship from Shenzhen, Hong Kong, and European warehouses.
Trust Rossonix for Your Industrial Pumping Solutions
Since 2011, Rossonix Co., Limited has been a reliable partner for global clients, achieving an annual export value of US$5 million to US$10 million. Our team of 11–50 professionals is dedicated to sourcing and supplying high-quality industrial equipment. With ISO9001/ISO9000 certifications, we ensure that every product meets rigorous quality standards. Our overseas offices in Europe and Asia provide local support, while our strategic partnerships with major logistics providers guarantee fast, cost-effective delivery from Shenzhen, Hong Kong, and European ports.
The ALMATEC E40UNN Chemical Resistant Diaphragm Pump combines durability, safety, and efficiency. Whether you need to transfer concentrated acids, alkaline solutions, or abrasive slurries, this pump delivers consistent performance with minimal environmental impact. We invite you to contact our sales team for a quote, technical drawing, or sample test. Let Rossonix help you optimize your fluid handling processes.
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