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Browse the store →A leading pharmaceutical factory in Vietnam installed Vulcan X-Pro 1 on their 2000RT chiller and cooling tower system. Results after two years: cleaning frequency reduced from every 2-3 weeks to every 6 months, 100% chemical savings, and reduced electricity usage.
Duoc Hau Giang Pharma (DHG) is one of Vietnam's leading pharmaceutical companies, with a mission "For a more beautiful and healthier life."
Branches Nationwide
Chiller Capacity
Vulcan X-Pro 1 Unit
Facility: Duoc Hau Giang Pharma factory
Location: Can Tho City, Vietnam
Distribution Network: Spreads across the country, from cities to countryside, as one of the most widespread and largest distribution networks in Vietnam

The copper pipes in the chiller system were accumulating mud and limescale, requiring cleaning every 2-3 weeks. This frequent maintenance disrupted operations and increased costs significantly.
Installation: 1 x Vulcan X-Pro 1 Anti-Scale System
Application: 2000RT chiller and cooling tower system
The Vulcan X-Pro 1 was installed to treat the water for the massive chiller system that is critical to pharmaceutical manufacturing operations.
This pharmaceutical factory installed the Vulcan X-Pro 1, designed for very large industrial applications with pipe diameters up to 30 inches.


Cleaning frequency reduced from every 2-3 weeks to every 6 months
100% chemical savings for chiller treatment
Electricity usage reduced for the entire system
Cooling tower cleaning frequency minimized
Reduced scaling and algae formation in cooling tower
Stable performance during impulse testing with oscilloscope
Approach/CLTD index of 0.8 at contractor inspection
Copper pipes remain clean with minimal maintenance
Frequency of Cleaning:
Before: Every 2-3 weeks
After: Every 6 months
Over two years of using Vulcan X-Pro 1, DHG Pharma has eliminated chemical treatment, dramatically reduced maintenance frequency, and lowered energy costs- all while ensuring reliable operation of critical manufacturing systems.
From weekly cleaning to twice-yearly maintenance.
100% savings on chemical treatment costs.
Reduced electricity usage across the system.
Stable performance with approach index of 0.8.
Max Pipe Diameter: | 30 inches |
Water Flow: | Unlimited |
Wattage: | 3.75 W |
Dimensions: | 13.4" x 9.4" x 2.0" |
Pipe Materials: | All types (iron, copper, stainless steel, PVC, PEX) |
Installation: | No pipe cutting required |
Maintenance: | Zero |
DHG Pharma demonstrates the dramatic impact Vulcan can have on industrial operations. One X-Pro 1 unit transformed a 2000RT chiller system from weekly maintenance headaches to twice-yearly inspections, while eliminating chemical costs and reducing energy use.
Join DHG Pharma and eliminate chemical costs, reduce maintenance, and save energy with Vulcan.
Waslix provides non-chemical, maintenance-free scale prevention using Vulcan technology. This case study documents a Vulcan X-Pro 1 installation protecting a 2000RT chiller system at DHG Pharma factory in Can Tho, Vietnam.

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