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English
Views: 0 Author: Site Editor Publish Time: 2026-04-30 Origin: Site
In precision coating systems, the pump is one of the core components determining coating quality. Its task is to provide stable, pulse-free, and precisely metered fluid delivery. However, three major pain points exposed by traditional feed pumps—insufficient accuracy, narrow media compatibility, and the high cost of imported pumps—are constraining yield improvement and cost control in the coating industry.
Suofu's NP Series high-precision micro magnetic gear pumps, with their technical solutions featuring high metering accuracy (±0.1%), wide media compatibility (media viscosity: 0.2~10,000 cps), stable and pulse-free operation, zero leakage, and long service life, have achieved comprehensive breakthroughs in both core technology and import substitution. They have become a key choice for upgrading feed systems in the field of precision coating.
Comparison Dimension | Shortcomings of Traditional Feed Pumps (Diaphragm Pump / Peristaltic Pump / Screw Pump) | Advantages of Suofu NP Series Micro Magnetic Gear Pumps (In large-scale production) |
|---|---|---|
Flow Accuracy | Degrades over time. The tubing of peristaltic pumps fatigues and its elasticity deteriorates with operating hours, leading to flow drift. Even with calibration capabilities, it's difficult to guarantee absolute accuracy during prolonged continuous operation. | Extremely high and stable. Metering accuracy can reach ±0.1% or even higher. A flow meter can also be added for real-time metering and flow adjustment. |
Pressure & Viscosity | Limited. Peristaltic pumps are restricted by tubing strength and lifespan, typically offering low output pressure (generally <0.3 MPa). When handling very high-viscosity fluids, tubing wear is extremely rapid. Transporting high-viscosity media is limited; general viscosity ≤5,000 cps, indicating a narrow compatibility range. | Powerful. Can provide stable and relatively high outlet pressure, easily handling pipeline resistance and the stable delivery of high-viscosity media. Viscosity range: 0.2~10,000 cps. |
Stability | High pulsation. Diaphragm pumps exhibit poor flow stability at both high and low flow rates. Achieving stable flow requires adding a pulsation damper, complicating the system. | Pulse-free. The volume of liquid discharged per gear revolution is fixed, with no attenuation over long-term operation, ensuring absolute consistency of the medium and stability of key process parameters like drying temperature. |
Production Continuity | Requires shutdown. Replacing tubing in a peristaltic pump necessitates interrupting the production process, affecting continuous production and reducing overall equipment effectiveness. | Continuous operation. No need to stop production due to the "pump itself", supporting 7×24 continuous production, which can significantly improve production efficiency. |
Sealing | Risk of leakage. Tubing and diaphragms are prone to damage, posing risks of leakage and contamination. | Zero leakage. Magnetic drive has no dynamic seals, ensuring complete containment. |
Lifetime & Cost | Very high. Peristaltic pump tubing is a continuous consumable that requires regular replacement. The cumulative material and labor costs from frequent replacement are significant. For comparable high precision, screw pumps are 30%~60% more expensive than micro magnetic gear pumps. | Long lifespan, low cost. Gear pumps have no wearable tubing. Core components are metal or ceramic, offering a very long service life (several years) and requiring minimal maintenance, leading to a significantly lower total cost of ownership. (Note: Gear pumps are sensitive to hard particles, which can cause jamming or accelerated wear.) |
Current high-end manufacturing industries like lithium battery, photovoltaic, and semiconductors have continuously increasing requirements for coating accuracy and yield. Upgrading feed systems has become a core link in process breakthroughs. The Suofu NP Series has successfully entered the supply chains of leading companies in related fields, providing stable and reliable feed solutions for domestic precision coating.
1. Performance Compatibility
High-Precision Metering: Metering accuracy can reach ±0.1%, allowing it to be used directly as a metering pump. This improves coating weight consistency, saves material consumption, and increases finished product yield. Stable, pulse-free flow effectively eliminates longitudinal coating streaks.
Wide Media Compatibility: Viscosity compatibility covers 0.2~10,000 cps, suitable for various media. Temperature resistance range: -120°C to 150°C.
Cost Advantage: In high-precision coating applications, micro high-precision gear metering pumps offer clear cost advantages.
2. Flexible Configuration
Motor: Supports combination with Brushless DC, AC, and Servo motors, allowing the setup of compact and efficient precision metering and delivery systems according to different accuracy requirements.
Applicable Models: The full Suofu NP Series of micro magnetic gear pumps (17 products in total).
Typical Configurations: NP350 paired with a 400W servo motor, NP600 paired with a 0.75KW servo motor, etc.
3. Authoritative Certifications
The full product series has passed CE, ISO9001:2015, ISO14001:2015, ISO45001:2018, RoHS, and REACH certifications, and features an IP55 protection rating, meeting the safety and environmental requirements of high-end manufacturing.
4. Deep Customization
Solutions can be customized based on coating machine interface dimensions, control methods, and installation space. Key components such as the pump body, gears, and sealing rings can have their materials customized according to working conditions, ensuring compatibility with mainstream precision coating equipment.
5. Full-Process Service
Localized R&D and production enable quick response to customization needs. Provides one-stop technical support including pre-sales selection, installation/commissioning, and after-sales maintenance.
