Use CasesTransferring liquids that solidify when exposed to air

Liquid Type	Changeable liquids Acids
Process Type	Addition, Injection Transferring, Circulation
Industry	Iron & Metal
Problem	Liquid leakage Durability Liquid property changes

Customer

Casting manufacturer

Customer's Needs and Problems

A curing agent is added to sand during the process to create the sand mold for cast metal production.
A gear pump was used to supply the curing agent, controlling the amount to inject with a solenoid valve, which posed the following problem.

• Curing agent leaking from the shaft seal of the pump solidifies and adheres to the pump when exposed to air, leading to pump malfunctions.

TACMINA's Solutions

The gear pump was replaced with a Smoothflow Pump.

• The completely sealed structure does not have a shaft seal, so the curing agent is never exposed to air.

Product

• PL (Hydraulic Type)

  Max. discharge volume

  0.23~31L/min

  Max. discharge pressure

  2.5MPa

  Ideal for High-Pressure/metered injection of chemicals with highly changeable physical properties, such as emulsions, latex, and slurries

  • Hydraulic
  • Precision
  • High-Pressure
  

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