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The E-C Servo Drive Check Valve Pump is a specialized precision metering pump designed for low to medium viscosity liquids and particle-free fluids—perfect for industries where fluid purity and accurate dosing are non-negotiable. Its core component, a check valve, prevents backflow and ensures contamination-free dispensing, while a stepper motor (or servo motor for high-demand models) paired with a precision ball screw system delivers ultra-reliable linear motion control. All parameters are set via a color touch panel, eliminating mechanical adjustments and reducing operational complexity. Built with 316 stainless steel, the pump offers superior chemical compatibility—critical for corrosive fluids like Li-Ion battery electrolyte—and maintains a typical ±0.5% dispensing accuracy. It serves sectors ranging from electronics (heat pipe filling) to cosmetics (perfume) and pharmaceuticals (medicine dosing).
The E-C Servo Drive Check Valve Pump’s check valve is engineered to prevent backflow, a must for particle-free fluids (e.g., electrolyte or perfume). Unlike rotary valves, it avoids fluid stagnation, ensuring purity—essential for sensitive applications like Li-Ion battery manufacturing.
Most models use a stepper motor for cost-effective, consistent dosing (ideal for small-batch production like e-cigarette oil filling). High-capacity models (E4 series) feature a servo motor for faster cycle rates and heavier workloads (e.g., industrial solvent dispensing). Both pair with a precision ball screw for micron-level motion control.
For fluids where even tiny deviations matter (e.g., Li-Ion battery electrolyte or medicine), the ±0.5% dispensing accuracy guarantees every dose meets strict quality standards. This precision minimizes material waste and ensures product safety.
The pump’s full 316 stainless steel construction resists damage from corrosive fluids (e.g., solvents, electrolytes) and meets hygiene requirements for pharmaceuticals and cosmetics. It is also easy to sanitize, supporting frequent product changes.
Volumes span from 0-0.23 mL (model E1-C03, for pen ink) to 0-261 mL (model E4-4-C34, for industrial chemicals). Cycle rates range from 0-30 CPM (E4-4-C34) to 0-60 CPM (E1-C03), adapting to both micro-dosing and medium-scale production.
Model | Plunger Dia. | Stroke | Dispensing Vol. | Cycle Rate | Motor | Dimension(MM) | Weight | |||||||
MM | MM | ML | CCP | A | B | C | D | E | F | G | L | KG | ||
E1-C03 | 4.7 | 12.7 | 0-0.23 | 0-60 | Stepper Motor | 45 | 80 | 197 | 38 | 32 | 115 | M4 | / | 2.3 |
E1-C05 | 7.9 | 0-0.63 | ||||||||||||
E1-C07 | 11.1 | 0-1.2 | ||||||||||||
E1-C10 | 15.9 | 0-2.5 | ||||||||||||
E2-C10 | 15.9 | 25.4 | 0-5.0 | 0-45 | 52 | 90 | 260 | 51 | 38 | 132 | M4 | / | 3.0 | |
E2-C12 | 19.1 | 0-7.2 | ||||||||||||
E2-C14 | 22.2 | 0-9.8 | ||||||||||||
E2-C17 | 27.0 | 0-14.5 | ||||||||||||
E2-C20 | 31.8 | 0-20.1 | ||||||||||||
E3-C20 | 31.8 | 38.1 | 0-30 | 0-45 | 101 | 50.8 | 60 | 166 | 50.8 | 63.5 | / | 317.1 | 5.5 | |
E3-C26 | 41.3 | 38.1 | 0-50 | 0-45 | ||||||||||
E4-1-C34 | 54.0 | 25.4 | 0-58 | 0-60 | Servo Motor | 116 | 38.1 | 75 | 203 | 50.8 | 32.8 | / | 453 | 7 |
E4-2-C34 | 54.0 | 50.8 | 0-116 | 0-50 | 183 | 74.3 | 503 | 7.8 | ||||||
E4-3-C34 | 54.0 | 76.2 | 0-174 | 0-40 | 208.3 | 567.2 | 8.5 | |||||||
E4-4-C34 | 54.0 | 114.3 | 0-261 | 0-30 | 246.5 | 643.4 | 10 | |||||||
The pump is a top choice for Li-Ion battery electrolyte filling. Its check valve prevents electrolyte backflow (avoiding contamination), and 316 stainless steel resists the fluid’s corrosive properties—critical for battery performance and safety.
It dispenses e-cigarette oil, perfume, and essential oil with precision, ensuring consistent flavor (for e-cigarettes) or scent intensity (for perfumes). The particle-free design avoids clogging in small nozzles.
For medicine, solvent, and chemical liquid dosing, the pump’s accuracy and corrosion resistance meet pharmaceutical-grade standards. It is also easy to sterilize, preventing cross-contamination.
Ideal for filling shampoo, pen ink, and heat pipe fluids, the pump handles low-to-medium viscosity formulations without foaming or splashing. Its compact design fits into tight production lines (e.g., heat pipe assembly).
No—it is designed exclusively for particle-free fluids. Particles (e.g., in sauces) will clog the check valve; for such applications, use the E-R series (rotary valve pump).
It works best with low to medium viscosity liquids (below 1000 CPS), such as electrolyte, perfume, and shampoo. For thicker fluids (e.g., grease), choose the E-R Servo Drive Rotary Valve Pump.
Yes—its precision and check valve design ensure accurate, bubble-free filling of heat pipe fluids, which is critical for heat dissipation in electronics (e.g., laptops, LEDs).
