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Water Purification for Die Casting
  • Products
  • Pure Water Treatment System
Pure Water Treatment System
10 T/H Two stage RO + EDI
  • Pure Water Treatment System
    10 T/H Two stage RO + EDI
  • Pure Water Treatment System
    10 T/H Two stage RO + EDI
  • Pure Water Treatment System
    3 T/H Two stage RO + EDI + Polishing
  • Pure Water Treatment System
    3 T/H Two stage RO + EDI + Polishing

Pure Water Treatment System

Water purification system for providing pure cooling water used in die casting process
  • Recycling and Reuse Maximize Water Resource Value

    Traditional workshop water usage follows a “single-use discharge” model, which not only wastes large amounts of water but also increases production costs due to high sewage treatment expenses. The circulating pure water treatment system, with its closed-loop design, deeply purifies used wastewater and converts it back into pure water that meets production standards for reuse. This achieves a water recycling rate of over 90%. As a result, workshop water consumption is greatly reduced, water expenses are cut by more than 60%, wastewater discharge is lowered, and environmental treatment costs are decreased—delivering the dual benefits of “water savings + cost reduction.”

  • High-efficiency water pretreatment system.
  • Improves the overall water quality of the entire die casting workshop.
  • Dual-station coordinated operation ensures continuous water supply.
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Technical Specifications
Reverse Osmosis (RO) Plant Parameter
Model GYR-500II GYR-1000II GYR-2000II GYR-3000II GYR-4000 GYR-6000I GYR-10000II
Flow rate (L/hr) 500 1000 2000 3000 4000 6000 10000
Inlet TDS ≤1500ppm ≤1500ppm ≤1500ppm ≤1500ppm ≤1500ppm ≤1500ppm ≤1500ppm
Desalination ≥98% ≥98% ≥98% ≥98% ≥98% ≥98% ≥98%
Recovery rate ≥60% ≥60% ≥60% ≥60% ≥60% ≥60% ≥60%
Power Supply 220-240V/380-415V; Single phase or three phases
Pre-treatment Sand filter + Activated carbon filter + Water softener (anti-scale dosing system)+ Sediment filter
Filter tank FRP/stainless steel 304/carbon steel
Membrane housing FRP/stainless steel 304/stainless steel 316
RO membrane quantity 4040×5 4040×10 8040×5 8040×9 8040×10 8040×14 8040×25
Power (kW) 3.2 4.5 6.3 8.5 10 15 30
Pipeline U-PVC/stainless steel 304/carbon steel
Working Principle Diagram

The cooling and cleaning stages of die casting parts require extremely high water purity. If impurities or ions in the water exceed the standard, they may cause oxidation spots or rust marks on the surface of castings, and even affect the precision of subsequent spraying and assembly.

The circulating pure water treatment system uses core technologies such as multi-stage filtration, ion exchange, and reverse osmosis to precisely remove suspended matter, heavy metal ions, microorganisms, and other contaminants from the water. This ensures that water purity consistently meets the industry’s strict standards.

Stable and continuous pure water supply guarantees that every cooling process is uniform and efficient, and every cleaning step is thorough and clean. By addressing water quality issues at the source, it reduces product scrapping and safeguards the precision quality of die castings.

Two Stage RO System Process Flow Diagram Two Stage RO System Process Flow Diagram
  • Feed water inlet
  • Raw water tank
  • Raw water pump
  • Quartz sand filter
  • Activated carbon filter
  • Water softener
  • Salt tank
  • Sediment filter
  • Solenoid valve
  • Low pressure switch
  • First manual HP pump
  • First RO membrane
  • Wastewater discharge
  • Middle water tank
  • Second manual HP pump
  • Second RO membrane
  • Pure water tank
Ready to Optimize Your Molding Process?

We provide complete mold temperature control solutions to help you achieve stable quality, shorter cycles and reduced costs. Let’s find the right system for your needs.

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How to respond to sudden mold temperature changes during production?

Install temperature warning devices that trigger alarms if limits are exceeded, and prepare backup cooling or heating systems for immediate adjustment.

How to properly select and handle cooling media?

Select the cooling medium according to mold temperature requirements and operating environment (e.g., water or heat-transfer oil). Apply filtration and purification. For water, use rust inhibitors to prevent corrosion.

What is the warranty period and what does it include?

Standard warranty is 12 months from acceptance. It covers non-human faults with free repairs, replacement of faulty parts, and technical support.

Which parts need replacement and how often?
  • Temperature sensors: every 1–2 years.
  • Heating tubes: every 1–3 years depending on usage.
  • Seals: check every 6–12 months, replace if necessary.
  • Filters: replace every 1–3 months depending on contamination.
What if after-sales response is delayed?

A response system is in place with performance tracking. If service is unsatisfactory, customers may escalate complaints to customer support, which ensures follow-up by assigned personnel.

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Mold Temperature Control Equipment
  • Centralized Mold Temperature Control System
  • Mold Temperature Controller
  • Die Casting Mold Cooling Equipment
  • Mold Infrared Sensing System
  • Die Spraying Tools
  • Pure Water Treatment System
  • Integrated Piping System
  • Die Casting Mold
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  • Large Die Casting Structural Parts Manufacturing
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  • Mr. Liu Chuantai
  • lct@nbxyznkj.com.cn
  • +86-13958321081
Supported by ETW International Inc. USA