Composite Material Gear Pump For Sulfonic Aid Curing Agent

This composite-material gear metering pump is designed specifically for sand mixers in resin-sand casting lines, enabling the precise, metered delivery of sulfonic acid-based curing agents.
Key flow-path components within the pump chamber are constructed from highly acid-resistant composite materials; this prevents corrosion from the sulfonic acid curing agent and eliminates metal ion leaching-which could otherwise contaminate the furan resin-thereby ensuring stable sand mold curing rates and consistent casting quality.
Featuring a precision gear assembly, the pump delivers uniform flow and offers high metering repeatability.

Advantages of composite material gear pump for sulfonic aid curing agent

1. Sulfonic acid-resistant composite flow-path components: Withstand the highly acidic nature of sulfonic acid curing agents; no metal ion leaching; do not interfere with the resin curing reaction.
2. High-precision metering: Precision gear meshing ensures pulsation-free flow and stable mixing ratios, meeting the automated dosing requirements of sand mixers.
3. Compatible with automated sand mixer systems: Supports VFD or servo speed control, allowing for real-time flow rate adjustment during the process.
4. Specialized acid-resistant sealing components: Specifically selected for sulfonic acid media to minimize leakage risks and reduce workshop corrosion and contamination.
5. Compact, easy-to-maintain design: Small footprint fits into the tight installation spaces around sand mixers; facilitates convenient disassembly and maintenance.

Application

Sulfonic acid curing agent dosing for resin sand mixer, furan resin sand production line, foundry sand mold batching, metering transfer of acidic additives

FAQ:

Q1: Sulfonic acid curing agent is highly corrosive. Why ordinary stainless steel pump is not suitable?

A: Sulfonic acid curing agent is strongly acidic medium, which continuously corrodes 304/316 stainless steel. The dissolved metal ions change curing rate of furan resin, resulting in unstable sand mold strength and casting defects. Our pump uses sulfonic acid-resistant composite wetted parts to resist acid medium without metal precipitation.

Q2: Can the pump be installed beside sand mixer directly?

A: Yes. Compact pump design occupies small space, fits narrow installation area next to sand mixer. It can link with sand mixer PLC for automatic curing agent dosing.

Q3: What is the metering accuracy?

A: Metering repeatability ≤±1%, stable enough for resin sand proportioning. Actual accuracy is affected by medium temperature, viscosity, pressure difference and rotating speed.

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