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Explosion-Proof Certified — Ex db IIC T6 Gb / IP66

Clean heat exchangers while they run.
Zero downtime. Zero chemicals.

The Vortex Pulsation Self-Cleaning System eliminates fouling online — no shutdowns, no external water, no chemicals. The world's most advanced physical cleaning technology for industrial heat exchangers.

18-22%
Steam savings per year
~20%
Production efficiency gain
0
Shutdowns required
≤1 kWh
Power per 24 hours

Scaling costs more than you think.

Heat exchanger fouling is the silent drain on industrial productivity — yet most plants accept it as inevitable.

01

Every 10–30 days — forced shutdown

Traditional cleaning requires stopping production. Each shutdown costs millions in lost output.

02

10–30% energy wasted

Fouling reduces thermal efficiency dramatically. More fuel burned, higher emissions, thinner margins.

03

Chemical cleaning = corrosion + pollution

Acid-based cleaning damages equipment and harms the environment. Many regions have banned it entirely.

FOULING BUILDUP Efficiency ↓

Controlled vortex cavitation.

A 16-kHz electrical signal converted to mechanical waves creates millions of microscopic bubbles that collapse with enough force to peel away fouling — without damaging metal surfaces.

16-kHz Signal Generation

Low-frequency electrical signal powers the generator, precisely tuned for controlled cavitation — no random turbulence, just targeted energy delivery.

Vortex Cavitation Effect

Millions of micron-sized bubbles form, grow, and collapse in the fluid — generating powerful shockwaves that break fouling bonds at the molecular level.

Layer-by-Layer Removal

Fouling peels off as micron-sized particles suspended in the process fluid. Metal surfaces remain untouched — certified corrosion resistance Level 1.

Six reasons it changes everything.

Online Operation — No Downtime

Cleans while your equipment runs. Install once, and the system works continuously without ever stopping production.

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No External Water Source

Uses the process fluid itself as the cleaning medium. No additional water lines, no waste — completely self-contained.

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Zero Chemical Agents

100% physical process. No acids, no inhibitors, no environmental permits needed. Safe for personnel and the planet.

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Explosion-Proof Certified

Ex db IIC T6 Gb · IP66. Certified for Zone 1 & Zone 2 hazardous areas. Compliant with GB/T 3836.1/2-2021.

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External Installation

Welding or clamp mounting outside the equipment. No internal modifications. Each generator covers up to 25 meters.

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Proven Across Industries

Deployed in chemical, petrochemical, power generation, sugar, salt, paper, and food processing plants.

Built for every environment.

Four configurations — two power levels, with or without explosion-proof certification — to match your exact operating conditions.

WD-4F Series

WD-4F Standard

For general industrial environments
  • 16-kHz operating frequency, inductive output
  • Effective cleaning range: up to 25m per generator
  • Power consumption: ≤ 1 kWh per 24 hours
  • Signal cable connection with one-touch switch
  • Suitable for non-hazardous areas
WD-4F Series

WD-4F Ex-Proof

Certified for hazardous zones
  • Ex db IIC T6 Gb — maximum safety classification
  • IP66 — dust-tight and powerful water jet protection
  • Ex-proof aviation plug signal cable
  • 16-kHz operating frequency, inductive output
  • For Zone 1 & Zone 2: oil refineries, gas plants, chemical facilities
WD-6F Series

WD-6F Standard

Higher power for larger installations
  • Enhanced power output for large heat exchangers
  • Effective cleaning range: up to 25m per generator
  • Power consumption: ≤ 1 kWh per 24 hours
  • Standard signal cable with one-touch switch
  • Ideal for power plants, large evaporators, condensers
WD-6F Series

WD-6F Ex-Proof

Maximum power, maximum safety
  • Ex db IIC T6 Gb + IP66 dual certification
  • Enhanced output for large-scale hazardous operations
  • Ex-proof aviation plug connection
  • Customizable generator count and positioning
  • For large refineries, offshore platforms, LNG facilities

Wherever heat exchangers run.

Oil & Gas
🏭Petrochemical
⚗️Chemical
Power Plants
🍬Sugar
🧂Salt
📄Pulp & Paper
🍺Food & Beverage
🔥District Heating
👕Textile & Dyeing

Compatible with: Plate · Shell & Tube · Spiral · U-Tube · Wide-Channel Plate · Condensers · Evaporators · Boilers

Real numbers, real impact.

Chemical

Biotech Group — Industrial Wastewater Evaporator

Evaporation Rate6.6 → 8.5 m³/h (+20%)
Annual Shutdown Loss¥18M → ¥0
Annual Steam Savings¥130,000
Annual Cleaning Cost¥250K → Near Zero
Petrochemical

Inner Mongolia — Chemical Plant Evaporators

Loss Avoided¥27.6 Million
Previous CleaningEvery 30 days, 3-day shutdown
With SystemZero shutdown cleaning
ROIPayback < 3 months
Chemical Fiber

Jihao Chemical Fiber — Evaporator & Condenser

Previous Cycle40-day shutdown, ¥600K/clean
Annual Savings¥2 Million
Cleaning MethodOnline — no production stop
Equipment4-effect evaporator + condenser

Independently verified.

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Explosion-Proof Certificate

Certified by China Coal Research Institute

Ex db IIC T6 Gb
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Ingress Protection

Dust-tight + water jet protection

IP66
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Quality Inspection

Product quality inspection report

GB/T 3836.1/2-2021 · GB/T 4208-2017

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Patents & IP

Invention patent + multiple utility models

Independent intellectual property

Gentle, staged, permanent.

Three phases from initial cleaning to permanent anti-scaling protection — all while your equipment keeps running.

01

Cracking

Cavitation creates micro-cracks throughout the fouling layer. Fluid penetrates, weakening bonds. 4–10 days.

02

Peeling

Fouling detaches layer by layer as micron-sized particles suspended in the fluid. 3–8 days.

03

Anti-Scaling

Continuous cavitation prevents new deposits from forming. Descaling + anti-scaling permanently maintained. Permanent.

Total initial cleaning: 7–18 days → Then permanent anti-scaling state

Let's talk about your heat exchangers.

Tell us about your equipment and operating conditions. We'll provide a free remote technical assessment.

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Email
wangjiali@fangyou-tech.com
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Phone
+86 139 1168 9981
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Address
Shanghai, China
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Company
Shanghai Fangyou Technology Co., Ltd.
上海方又科技有限公司

We provide: free remote technical assessment, custom installation design, remote installation guidance, and performance verification support.