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Kitchen ESP LK-E Series Kitchen ESP Hood UV Odor Control Carbon Filter
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Kitchen ESP LK-E Series Kitchen ESP Hood UV Odor Control Carbon Filter
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3 Series • 41 Standard Models • From 2,000 m³/h

In-Duct Electrostatic Precipitator
for Commercial Kitchen Exhaust

Polygee offers three ESP product lines — LK-K (top tier), LK-D (high tier), and LK-A (standard tier) — airflow from 2,000 m³/h, 41 standard models (see specification tables), top capacity engineered per site. Patented dual-zone plate-type electrostatic field. Washable, scalable, built for heavy-duty kitchen exhaust.

Get a Free Quote → Compare 3 Series ↓
Up to 97.6%
Third-Party Tested (LK)
60,000
m³/h Largest Standard Model
41
Models Available
225
Patents Held
CE
Certified · UL Listed 6K/12K/18K

Commercial In-Duct Electrostatic Precipitator

Polygee in-duct ESP systems are engineered for commercial kitchen exhaust purification. Featuring patented dual-zone plate-type electrostatic field technology and stainless steel collector cells, LK units measured 96.0–97.6% grease removal in CMA-accredited third-party tests. Available in three product series — LK-K (top tier), LK-D (high tier), and LK-A (standard tier) — airflow from 2,000 m³/h — 41 standard models, top capacity engineered per site. Modular stackable design with UV odor control and activated carbon options.

97.6%Tested Max (LK)
From 2,000 m³/hAirflow — Sized to Site
≤150 PaPressure Drop
CE • UL 6K/12K/18KCertifications
Contact Us →
Polygee In-Duct ESP Unit — Commercial Kitchen Electrostatic Precipitator
Product Gallery

Kitchen Electrostatic Precipitator Photos

Close-up details of the in-duct electrostatic precipitator unit — showcasing build quality, internal structure, cell design, and installation interface.

Polygee In-Duct ESP Front View
Polygee In-Duct ESP Side View
Polygee In-Duct ESP Cell Pull-out
Polygee In-Duct ESP Installed Scene
Product Series

Three ESP Series for Every Application

Choose the right series based on your air filtration requirements, budget, and installation environment.

Flagship
Polygee LK-K Series In-Duct ESP

LK-K Series

Ultra-High Efficiency
Top
Tier Configuration
  • Airflow: 4,000 – 60,000 m³/h
  • Pressure Drop: ≤150 Pa
  • 15 models: LK4K – LK60K
  • Powder-coated housing (Grey)
  • Smart power supply with auto arc suppression
  • UV lamps: 2–18 units
  • IP55-rated core (2019 test, LK30–LK320 range — confirm for your model)
View LK-K Specifications ↓
Polygee LK-D Series In-Duct ESP

LK-D Series

Classic High-Efficiency
High
Tier Configuration
  • Airflow: 4,000 – 48,000 m³/h
  • Pressure Drop: ≤150 Pa
  • 13 models: LK40D – LK480D
  • Blue housing with smart HMI panel
  • Intelligent power with fault diagnostics
  • UV lamps: 2–12 units
  • IP55-rated core (2019 test, LK30–LK320 range — confirm for your model)
View LK-D Specifications ↓
Polygee LK-A Series In-Duct ESP

LK-A Series

Durable & Cost-Effective
Std
Tier Configuration
  • Airflow: 4,000 – 48,000 m³/h
  • Pressure Drop: ≤150 Pa
  • 13 models: LK40A – LK480A
  • Powder-coated housing (yellow)
  • Stainless steel core, durable design
  • UV lamps: 2–12 units
  • IP55-rated core (2019 test, LK30–LK320 range — confirm for your model)
View LK-A Specifications ↓
Applications

Kitchen ESP Systems Trusted Across 50 Countries

Polygee in-duct ESP systems are engineered for any commercial kitchen environment.

Restaurant kitchen ESP solution
Restaurant

Restaurant Kitchen ESP

Chinese wok, Western grill, Japanese teppanyaki — customized ESP for every cooking style and kitchen size.

 Hotel kitchen ESP system
Hotel

Hotel Kitchen ESP System

Centralized ESP solution for banquet halls, all-day dining, specialty restaurants & room service kitchens.

 Chain restaurant ESP filtration
Chain

Chain Restaurant ESP

Standardized ESP for multi-location rollouts. Chain operators including Haidilao run one ESP spec across locations.

 Food court ESP exhaust purification
Food Court

Food Court ESP Purification

Centralized ESP handling 60,000+ m³/h from multiple vendors. Modular scalable design.

 BBQ smoke control ESP
BBQ

BBQ Smoke Control ESP

Heavy-smoke environments. ESP + UV-C combo controls grease smoke and reduces intense cooking odors.

Café bakery ESP filtration
Café & Bakery

Café & Bakery ESP Filtration

Compact, quiet ESP for baking fumes and light grease. Ideal for urban storefronts and café environments.
Industry Background

Why Commercial Kitchens Need ESP Purification

Cooking Fumes Are a Serious Health & Safety Risk

Kitchen exhaust contains grease particles, PM2.5, VOCs, and carcinogenic compounds that cause respiratory issues, lung damage, and weakened immunity for kitchen staff — degrading indoor air quality throughout the venue. Grease accumulation in ductwork is also a major cause of commercial kitchen fires.

Regulatory Compliance Is Mandatory

Cities worldwide enforce strict emission standards for commercial kitchens. Failure to comply results in fines, forced closures, and lawsuits from neighbors. An ESP system is an effective way to meet EPA, EU, and local regulations.

  • Removes the bulk of grease, smoke and oil mist (LK tested 96.0–97.6%)
  • Prevents grease buildup in ductwork — reduces fire risk
  • Helps meet EPA, EU, and local emission regulations
  • Protects kitchen staff from harmful fume exposure
  • Addresses neighbor complaints about smoke and odor
  • Washable cells — no disposable filter waste
Polygee In-Duct ESP Product Family - Complete Kitchen Exhaust Purification System
Product Advantages

Advanced ESP Filtration Technology

Since 2004, Polygee has been engineering ESP solutions. 225 patents granted. BSE-listed (920802). 110,000㎡ production base.

Stainless Steel ESP Cells

Patented dual-zone plate-type electrostatic field. Enlarged collection area. Washable & reusable ESP filters, built for years of service.

Smart Power Supply

Self-developed SMPS with microsecond-level arc suppression, auto short-circuit recovery, and fault diagnostics.

Digital HMI Panel

Smart display showing real-time voltage, current, and electric field status. LED indicators for power, work, and fault.

Safety Interlock

Magnetic switches break circuit on door open. Double safety protection for maintenance personnel.

High Filtration Rate

Third-party tested up to 97.6% grease removal (LK range). The electrostatic filter stage captures submicron grease and smoke particles across all three series.

IP55 Protection

Dust-proof & water-jet resistant enclosure (2019 test, LK30–LK320 range — confirm for your model). Leak-proof bottom design for indoor and outdoor installation.

Modular Design

Stack units from 2,000 m³/h upward — capacity engineered to your site. Standard flange connections. Add modules as kitchen grows.

Low Noise & Low Power

Optimized body design for quiet operation. Stainless steel core for energy efficiency and extended lifespan.

Working Principle

Principle of Electrostatic Purification

Each Polygee series uses a multi-stage purification process. Select a series below to view its purification principle.

LK-K Series 5-Stage ESP Purification Principle Diagram
Stage 1

Airflow Distribution

Washable mesh pre-filter traps large particles and evenly distributes airflow.

→
Stage 2

Primary Ionization

High-voltage ionization charges grease and smoke particles.

→
Stage 3

Plate Collection

Dual-zone plate-type collector section captures charged particles.

→
Stage 4

Secondary Collection

Additional collector stage for the top-tier configuration.

→
Stage 5

UV Sterilization

UV-C module decomposes VOCs and reduces odors.

Technology Advantage

Why Dual-Zone Plate-Type ESP as Primary Filtration

Prolonged Wash Cycle & Longer Life

The plate-type design with wider electrode spacing and stainless steel composition enables higher voltage tolerance, heavier pollutant accumulation, and more rigorous cleaning cycles — extending operational life significantly.

Higher Collection Efficiency

The dual-zone plate-type structure provides a large collection surface area with uniform electrode spacing, providing higher electric field intensity and strong grease capture efficiency — including under heavy cooking loads.

Dual-Zone Ionization & Collection

Energized by self-developed high-voltage power supply, the dual-zone plate-type ESP cells deliver highly-efficient primary removal of oil, grease, and smoke particles from kitchen exhaust air.

Easy Maintenance & Cleaning

The ESP filter cells slide out for cleaning. Soak in alkaline degreaser or run through a commercial dishwasher. Fully washable and reusable — no disposable filter cost.

Smart Core Technology

Smart Panel & Intelligent Power Supply

Self-developed core components for stable, intelligent, and efficient ESP operation.

Polygee Smart HMI Control Panel for ESP
Smart Panel

Intelligent HMI Display

✅ Real-Time Status
Displays high-voltage power output current, voltage, and electrostatic field working status.
🔧 Fault Diagnostics
Quick fault code identification. Maintenance personnel can diagnose and resolve issues immediately.
📦 Compact Design
Panel-type card-slot installation. Flat, sealed, dustproof & waterproof. Easy to install and disassemble.
📱 Smart Algorithm
Uses energy data and matrix algorithms from field devices for real-time optimal performance matching.
Smart Power Supply

Intelligent High-Voltage Power

⚡ Arc Suppression
Microsecond-level auto arc extinction, multiple discharge protections, auto reset after short circuit.
🌡 Heat Dissipation
Precision-designed integral heat sink structure. SPP power modules passed third-party full-load trials at -40°C and 80°C.
🛡 Safety Protection
Over-load, over-temperature, and open-circuit protection. Multiple intelligent safeguards built in.
🔌 Rich Interfaces
Full interface set: work/clean/fault indicator ports, BMS port for building management integration.
Polygee Intelligent High-Voltage ESP Power Supply
Product Models

Kitchen ESP Model Specifications

Select the right model based on your kitchen airflow requirements. Custom configurations available via OEM/ODM.

📋 LK-K Series — top-tier configuration. Dual-zone plate-type ESP cells, intelligent power supply, powder-coated housing. Third-party tested: 97.6% on LK160 and 97.0% on LK40 (Beijing Zhongyan Huanneng, CMA — reports ZY05W230298 / ZY05W230296); 96.0% at rated airflow on LK120 (SQEP, CMA — report 2024I20-35-5322488001). 1 m³/h ≈ 0.589 CFM. ESP certifications & test reports →
Model Airflow (m³/h) Power (W) Dimensions L×W×H (mm) Flange A×B (mm) Weight (kg) UV Power (W) UV Lamps
LK4K 4,000 280 608×988×725 350×474 75 80 2
LK6K 6,000 432 798×988×725 540×474 90 80 2
LK8K 8,000 560 1064×988×725 806×474 118 160 4
LK10K 10,000 720 1254×988×725 996×474 132 160 4
LK12K 12,000 864 1444×988×725 1186×474 150 160 4
LK15K 15,000 1,080 1805×988×725 1547×474 182 240 6
LK18K 18,000 1,176 1946×988×725 1688×474 194 240 6
LK20K 20,000 1,296 2090×988×725 1832×474 208 240 6
LK24K 24,000 1,728 1444×988×1309 1186×1058 288 320 8
LK30K 30,000 2,160 1805×988×1309 1547×1058 354 480 12
LK36K 36,000 2,352 1946×988×1309 1688×1058 378 480 12
LK40K 40,000 2,592 2090×988×1309 1832×1058 402 480 12
LK45K 45,000 3,240 1805×988×1893 1547×1642 524 720 18
LK54K 54,000 3,528 1946×988×1893 1688×1642 560 720 18
LK60K 60,000 3,888 2090×988×1893 1832×1642 595 720 18

Power: 220V or 380V, 50/60 Hz (configured to your market) • Pressure drop: ≤150 Pa incl. distribution plate (ESP field alone 20–30 Pa)

Request Custom Configuration →
📋 LK-D Series — high-tier configuration. Smart HMI panel, intelligent power supply with fault diagnostics, blue housing.
Model Airflow (m³/h) Power (W) Dimensions L×W×H (mm) Flange A×B (mm) Weight (kg) UV Power (W) UV Lamps
LK40D 4,000 82 862×614×675 634×474 61 80 2
LK60D 6,000 114 673×968×675 445×474 80 80 2
LK80D 8,000 152 815×968×675 587×474 96 80 2
LK100D 10,000 202 1128×968×675 900×474 128 160 4
LK120D 12,000 228 1224×968×675 996×474 138 160 4
LK160DWS 16,000 304 1508×968×675 1280×474 168 160 4
LK160DLS 16,000 304 815×968×1245 587×1044 183 160 4
LK200D 20,000 404 1128×968×1245 900×1044 244 320 8
LK240D 24,000 456 1224×968×1245 996×1044 262 320 8
LK280D 28,000 504 1318×968×1245 1090×1044 280 320 8
LK320D 32,000 608 1508×968×1245 1280×1044 320 320 8
LK400D 40,000 756 1318×968×1815 1090×1614 410 480 12
LK480D 48,000 912 1508×968×1815 1280×1614 468 480 12

Power: 220V or 380V, 50/60 Hz (configured to your market) • Pressure drop: ≤150 Pa incl. distribution plate (ESP field alone 20–30 Pa)

Request Custom Configuration →
📋 LK-A Series — standard-tier configuration. Durable & cost-effective. Powder-coated housing, stainless steel core.
Model Airflow (m³/h) Power (W) Dimensions L×W×H (mm) Flange A×B (mm) Weight (kg) UV Power (W) UV Lamps
LK40A 4,000 140 578×748×675 350×474 52 80 2
LK60A 6,000 196 720×748×675 492×474 59 80 2
LK80A 8,000 256 862×748×675 634×474 71 80 2
LK100A 10,000 320 1128×748×675 900×474 91 160 4
LK120A 12,000 392 1318×748×675 1090×474 104 160 4
LK160AWS 16,000 512 1602×748×675 1374×474 123 160 4
LK160ALS 16,000 512 862×748×1245 634×1044 134 160 4
LK200A 20,000 640 1128×748×1245 900×1044 171 320 8
LK240A 24,000 784 1318×748×1245 1090×1044 195 320 8
LK280A 28,000 904 1460×748×1245 1232×1044 213 320 8
LK320A 32,000 1,024 1602×748×1245 1374×1044 252 320 8
LK400A 40,000 1,296 2058×748×1245 1830×1044 293 480 12
LK480A 48,000 1,536 1602×748×1815 1374×1614 359 480 12

Power: 220V or 380V, 50/60 Hz (configured to your market) • Pressure drop: ≤150 Pa incl. distribution plate (ESP field alone 20–30 Pa)

Request Custom Configuration →
Engineering Statement

How We Verify Grease Removal Efficiency

Every efficiency figure on this page is traceable to a numbered third-party report.

👤 Law — Project Manager, Jiangsu Polygee Environmental Technology Co., Ltd.

“We put an efficiency number on a page only after an accredited outside laboratory has measured it. Our LK160 unit was measured at 97.6% grease removal and the LK40 at 97.0% by Beijing Zhongyan Huanneng under CMA accreditation — reports ZY05W230298 and ZY05W230296. A second CMA-accredited laboratory, SQEP, measured the LK120 at 96.0% at its rated airflow — report 2024I20-35-5322488001.”

“Three units have been tested this way, which is why we quote a measured 96.0–97.6% range instead of one headline number for all 41 models. What a unit does on site still depends on cooking load, duct design and how often the cells are washed. Tell us which model your project needs at the inquiry stage and we will send the report that covers it — or say plainly that the model has not been tested yet.”

View ESP test reports & certificates →
Installation Guide

Flexible Installation for Any Kitchen Environment

Polygee in-duct electrostatic precipitator units support multiple installation methods to fit your building requirements.

Indoor Ceiling-Mounted ESP Installation

Indoor Ceiling-Mounted

Install ESP unit indoors at ceiling level. Exhaust ductwork routes to rooftop. Protects ESP from weather exposure. Easy maintenance access.

Rooftop ESP Installation

Rooftop Installation

Both ESP and ductwork on rooftop. Saves indoor space. IP55-rated enclosure (2019 test, LK30–LK320 range — confirm for your model) handles outdoor weather conditions.

Outdoor Ground-Level ESP Installation

Outdoor Ground-Level

ESP placed at ground level outside the building. Connected to exhaust duct. Ideal when rooftop access is limited or not available.

📐 Installation Requirements
  • Minimum 850mm clear space in front of maintenance doors for ESP cell removal
  • Standard flange connections — compatible with rectangular ductwork
  • Panel-type card-slot design for easy installation, disassembly, and beautiful appearance
  • Retrofit installation typically takes 4–8 hours during off-hours
  • No hood replacement needed — ESP connects directly to existing duct system
  • Power supply: 220V or 380V, 50/60 Hz — configured to your destination market
  • Support horizontal and vertical mounting orientations
Ordering & Support

Commercial Terms for the LK Kitchen ESP

The terms below are our standard position for in-duct ESP orders. Final wording is confirmed in writing on your quotation and proforma invoice.

Payment

Deposit First, Balance Before Shipment

Deposit: 30% of order value (50% on some orders)
Balance: paid in full before the goods ship
Instruments: T/T, L/C and other common bank instruments
Trade Terms

Incoterms Arranged to Suit the Buyer

Terms: EXW, FOB or CIF
Choice: you tell us which term to quote against
Freight: the split of freight and insurance follows the term chosen
Warranty

One Year on the Complete Unit

Period: 1 year on the complete unit
Covered: ESP collector cells and the SPP high-voltage power supply
Not covered: UV lamps and activated carbon media — these are consumables
Not covered: labor and travel; site visits are offered as a paid service
Order & Lead Time

One Unit Is a Real Order

MOQ: 1 unit · Project and volume pricing quoted per project.
Standard lead time: 7–15 days
OEM builds: quantity and lead time agreed case by case
Spare Parts

Common Spares Held in Stock

Stock: commonly used spare parts are kept on the shelf
Dispatch: timing confirmed per order
After discontinuation: parts supplied for 1 year after a model is discontinued
After-Sales

Remote Support, Paid Site Visits

Remote: video call plus illustrated manuals
On site: engineer visits available as a paid service
Hours: Mon–Fri 8:00–17:00 (GMT+8)
Engineering Support
System design proposals, CAD drawings and full specification sheets — request with your project’s airflow details.
🏷 OEM / ODM Options
  • Your logo applied to the unit and to the packaging
  • Housing color changed to your specification
  • Minimum quantity and lead time for OEM builds are agreed case by case
  • An NDA is signed by Jiangsu Polygee Environmental Technology Co., Ltd. on request
  • Certificate coverage is matched to your chosen model at quotation — UL 867 (File E522667) covers the 6K, 12K and 18K models at 230V/50Hz
Product Center

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All-in-one commercial kitchen hood system with built-in ESP cells, LED lighting, and oil drainage. For new kitchen construction.

Kitchen ESP hood specifications →
UV-C Photolysis Odor Control Module

UV-C Photolysis Purifier

UV germicidal module for VOC decomposition and odor reduction. Pairs with ESP for multi-stage purification.

UV kitchen odor control details →
Activated Carbon Adsorption Filter

Activated Carbon Filter

Activated carbon adsorption module for residual odor and VOC removal. Optional add-on for sensitive environments.

Activated carbon filter details →
Get a Quote

Request a Free Quote

Share your kitchen requirements. Our engineering team responds within 24 hours (Mon–Fri) with a tailored system proposal and quotation.

Request a Quote for In-Duct ESP

Fill out the form below. We respond within 24 hours (Mon–Fri) with a detailed proposal and factory-direct pricing.

24h Response (Mon–Fri) NDA Available Factory Direct Free Consultation

1-year warranty • MOQ 1 unit • Lead time 7–15 days • Support Mon–Fri 8:00–17:00 (GMT+8)

📧 Email

scarlett@polygee.com

📱 WhatsApp

+86 159 5010 9153

🏭 Manufacturer

Jiangsu Polygee Environmental Technology Co., Ltd.

BSE Listed: 920802 • 225 Patents

110,000㎡ Production Base, Zhangjiagang, China

Kitchen ESP distributor programme →

📜 Certifications

CE (FQC2602501) • UL 867 Listed — File E522667, 6K/12K/18K models at 230V/50Hz • RoHS (BKC25114877LC) • CCEP (CCAEPI-EP-2024-757, LK units rated 2,000–20,000 m³/h) • CQC environmental product certification (LK) • ISO 9001 / 14001 / 45001

We confirm the exact certificate match for your chosen model at quotation.

FAQ

Frequently Asked Questions About Kitchen Electrostatic Precipitators

Common questions about Polygee in-duct electrostatic precipitators for commercial kitchen exhaust.

What is an in-duct electrostatic precipitator (ESP) for commercial kitchens?

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An in-duct ESP — often specified as a pollution control unit (PCU) — is an air purification device installed within the kitchen exhaust ductwork. It uses high-voltage electrostatic fields to ionize and capture grease particles, smoke, and oil mist from cooking fumes. Unlike integrated hood ESPs, in-duct units connect to the existing duct system — no hood replacement needed. Polygee offers three series (LK-K top tier, LK-D high tier, LK-A standard tier) — airflow from 2,000 m³/h, 41 standard models, top capacity engineered per site.

What is the difference between the LK-K, LK-D, and LK-A series?

▼
The three series differ in configuration level and features: LK-K Series is the top tier with 5-stage purification (including a secondary collection stage), suited to strict emission zones. LK-D Series is the high tier with a smart HMI panel and blue housing, suited to general commercial kitchens. LK-A Series is the standard tier focused on durability and cost-effectiveness. All series share the same patented dual-zone plate-type ESP cell technology and stainless steel construction. LK units measured 96.0–97.6% grease removal in CMA-accredited third-party tests.

How often do ESP cells need to be cleaned?

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Cleaning frequency depends on cooking volume and oil type. For heavy cooking (Chinese wok, BBQ), we recommend cleaning roughly every one to two weeks. For lighter cooking (Western, café), every one to two months is typical. The stainless steel collector cells slide out easily and can be cleaned by soaking in alkaline degreaser or running through a commercial dishwasher. They are fully washable and reusable — no disposable filter replacement cost.

Can the ESP be retrofitted to an existing kitchen exhaust system?

▼
Yes. Polygee in-duct ESP units connect directly to existing rectangular ductwork via standard flange connections. No hood replacement is necessary. The modular design supports indoor ceiling-mounted, outdoor rooftop, and ground-level installation. A typical retrofit installation takes 4–8 hours during off-peak hours. Our engineering team provides free system design and layout support.

What certifications do Polygee ESP units have?

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The LK series carries CE certification (FQC2602501, valid to 2031). The 6K/12K/18K in-duct models are UL Listed (UL 867, File E522667, 230V/50Hz — verifiable on UL Product iQ); models outside those three are not covered by that file. The LK series is RoHS compliant (BKC25114877LC). Chinese CCEP certification (CCAEPI-EP-2024-757) covers LK units rated 2,000–20,000 m³/h, and the LK line also holds CQC environmental product certification. Polygee is ISO 9001, ISO 14001, and ISO 45001 certified — a BSE-listed company (stock code: 920802) with 225 patents granted and a 110,000㎡ production base, exporting to 50 countries. Ask us to confirm certificate coverage for your exact model.

Does Polygee offer OEM/ODM customization for commercial ESP?

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Yes. With over 20 years of manufacturing experience and a 110,000㎡ production facility, Polygee provides full OEM/ODM services. Customization options include housing color, voltage configurations (220V/380V, 50/60 Hz), control panel language, branding, and custom airflow capacity. We also support private-label products for international distributors across 50 countries.

What is the pressure drop of Polygee in-duct ESP units?

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The complete unit runs at ≤150 Pa including the standard airflow distribution plate; the ESP field itself contributes only 20–30 Pa. This low pressure drop means minimal additional load on the exhaust fan, which translates to lower energy consumption. The plate-type ESP design provides efficient air filtration with significantly lower airflow resistance compared to mechanical filters or tube-type ESPs.

How does the intelligent power supply protect the ESP system?

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Polygee’s self-developed intelligent SMPS (Switched-Mode Power Supply) features microsecond-level automatic arc suppression, meaning any electrical arcing is extinguished almost instantly. It also includes auto short-circuit recovery, over-load protection, over-temperature protection, and open-circuit safeguards. The SPP power supply passed third-party full-load trials at -40°C and 80°C, and provides real-time fault diagnostics via the smart HMI panel, enabling quick troubleshooting by maintenance staff.

What is the main purpose of an electrostatic precipitator?

▼
The main purpose of an electrostatic precipitator is to remove grease smoke, oil mist, and fine particles from kitchen exhaust air before it leaves the duct system. A high-voltage field charges the particles, and the plate-type collector section then captures them — keeping grease from building up in the ductwork, where it is a major cause of commercial kitchen fires, improving indoor air quality for kitchen staff, and helping the kitchen meet EPA, EU, and local emission regulations. The collected grease drains to a collection tray, and the washable cells are cleaned and reused instead of being thrown away.