Manual type nitrogen pressurization system

Application of high-pressure physical foaming nitrogen pressurization equipment in nitrogen pressurizati Application of gas booster pump in gas assisted injection molding

Introduction to Principles

When forming, first inject accurately measured molten material into the mold cavity, and then inject gas (usually nitrogen) into the molten material through a special nozzle. The gas diffusion pushes the molten material to fill the mold cavity.

During the injection molding process, a relatively low pressure gas is injected into the melt, usually several to tens of megapascals, to maintain pressure and compensate for shrinkage.

Pressure injection method

At the point of gas injection, gas will only enter the plastic when its pressure is greater than that of the plastic.

core component

Fuente first stage gas booster pump ZTA05, second stage gas booster pump ZTD25

General schematic diagram on

• Nitrogen source: Nitrogen generator and nitrogen cylinder (one high-pressure pump is sufficient for nitrogen cylinder)
  Parameters of primary booster pump
  
  Inlet pressure range: 3.5-40 bar
  
  Output pressure range: 0-40 bar
  
  Drive air pressure 3-8bar
  
  Gas storage tank: 10 liter medium pressure bottle
  
  Fluid 360 liters per minute
  
  Parameters of secondary booster pump
  
  Inlet pressure range: 10-200 bar
  
  Output pressure range: 0-200 bar
  
  Flow rate: 154L/min
  
  Gas storage tank: 4-liter high-pressure cylinder
  
  The advantage of using two pumps in a gas booster.
  
  Large flow rate, small volume, and advantages compared to a two-stage action pump (ZTT25). The flow rate is much higher, and we have tested it on the customer's site;
  
  Physical image
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