DL160 High Viscosity Pump

DL160 high viscosity pump conveying high viscosity resin, polyurethane, polyimide, polyethylene and other similar high viscosity materials

Advantage of DL160 high viscosity pump

1. Rotor components are through hardened for excellent wear resistance. Heavy-duty shafts and bearings are used to make the whole machine sturdy and durable.

2. The crown tooth root design is adopted to reduce the shearing of the material in the pump and improve the utilization rate of energy consumption.

3. The front and rear door opening design makes it easy to disassemble and assemble, convenient for maintenance, saving maintenance cost and maintenance time.

Performance Parameter Table

Typical application

Adhesive industry : Two components A and B,one-component polyurethane glue, Silicone sealant epoxy resin, hot melt adhesive.

FAQ

1.  Q: Are you trading company or manufacturer?

A: we are manufacturer, we have own factory in China.

2. Q: Why can this pump achieve precise metering?

A: This pump is a positive displacement pump. The volume between the teeth of a pair of meshing gears is fixed, and the delivery volume per revolution is constant. Metering accuracy is directly proportional to the gear speed. When paired with a drive device that allows for precise speed adjustment, such as a variable frequency motor or stepper motor, the delivery flow rate can be precisely controlled by adjusting the speed. Simultaneously, the insulation structure maintains a stable viscosity of the medium, reducing the impact of viscosity fluctuations on leakage, further ensuring metering accuracy.

3. Q: How to solve media leakage at the shaft end?

A: First, determine the seal type. If it is a packing seal, tighten the packing gland appropriately. If severely worn, replace the packing. If it is a mechanical seal, the sealing surface is most likely scratched or damaged by media impurities or aging, requiring replacement of the mechanical seal. If conveying high-temperature or corrosive media, replace with a double mechanical seal or install a sealing cooling/insulation jacket to improve seal reliability.

Startup and Operation (Dry-run and Overload Protection)
Before Startup:
Fill the pump chamber completely with the medium; dry running is strictly prohibited (just 3 seconds of dry running can damage the gears and seals).
Preheat high-viscosity media to 40–80°C (to reduce viscosity and startup torque) and open the vent valve to purge air.

Startup: Jog the pump at low speed (5–10 rpm); after verifying there are no abnormal noises or leaks, slowly accelerate to the rated speed. Starting directly at full speed is strictly prohibited.

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