This high-precision positive displacement gear metering pump is specifically designed for DMAC solvent applications.

Its wetted parts are constructed from 316L stainless steel, making it ideal for the transport and precise dosing of DMAC.

Featuring specialized sealing solutions tailored to the hygroscopic and volatile nature of DMAC, this pump is the preferred choice for ensuring a stable supply in production lines for lithium-ion battery separators, aramid fibers, polymer synthesis, pharmaceuticals, and membrane coating.

Advantages of gear pumps

1. Precise Metering: Servo-driven with a fixed displacement per revolution, achieving a metering accuracy of ±0.3% to ±0.5%. The flow rate remains unaffected by downstream pressure fluctuations, making it ideal for DMAC proportioning, extraction, and quantitative feeding in coating processes.
2. Material Compatibility: The pump body and gears are constructed from 316L stainless steel. FFKM (perfluoroelastomer) seals are available, offering excellent resistance to swelling and permeation caused by long-term exposure to DMAC. An optional magnetic drive (sealless) configuration can be selected to completely eliminate DMAC evaporation or leakage, ensuring workplace safety and minimizing solvent loss.
3. Optimized for DMAC Applications: Designed for the low viscosity of DMAC at room temperature (≈0.92 cP at 25°C), the pump's optimized internal structure prevents slippage or backflow of low-viscosity media. It supports operating temperatures ranging from ambient to 120°C, making it suitable for processes such as distillation, solvent recovery, and high-temperature feeding. Explosion-proof motor configurations are also available.
4. Easy Maintenance: The gear set undergoes precision grinding to ensure pulse-free operation. The pump is designed for simple disassembly and cleaning, leaving no residue-an essential feature for the circulating transport of high-purity DMAC.

Applications
Coating of lithium-ion battery separators, aramid fiber spinning, polymer resin synthesis, pharmaceutical intermediates, membrane material production, DMAC solvent recovery systems, fine chemical compounding, and metered transfer in extraction processes.

FAQ

Q1: Is 316L stainless steel safe for DMAC?

A1: Yes. 316L works well for pure DMAC. If water, acid or oxidizing impurities exist, FFKM seal and magnetic drive version are recommended.

Q2: Can this pump prevent DMAC leakage?
A2: Magnetic drive model is zero leakage, best for volatile DMAC; mechanical seal version with FFKM O-ring is for regular cost-effective dosing.

Q3: Can it run for separator coating line?

A3: Yes, servo version with high precision is widely used for lithium battery DMAC coating dosing.

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