Air Curtain 4 Feet | Metal Body (Advanced Series)
₹25,849 ₹36,669
4 Feet (1.2 m) metal-body air curtain for factories, warehouses, loading bays, cold rooms. Single-phase 220 V, 240 W 2× industrial-duty Indian copper motors with thermal cut-off, 2,000 CFM peak airflow — Heavy-duty industrial barrier for 4ft warehouse, factory and cold-room doors.
- 💨 2,000 CFM high · 1,450 CFM low · jet reach ~3.4 m
- ⚡ 240 W · 220 V single-phase · 2 motors / 4 blowers
- 🛡️ Metal body · ≤65 dB · ~16.5 kg · HSN 8414 59 10
- 📍 ISO 9001:2015 Noida · 5-year warranty · pan-India dispatch
📖 Read full specs, install guide & buyer FAQ ↓
❓ Frequently Asked Questions
Get a Callback / Quote on WhatsApp
- Warranty: 5 years parts + 1 year service (compare series)
- Service: onsite warranty service, Hinglish helpline
- Spares: genuine air curtain spare parts
- Returns: 3-day return & refund policy
SKU: PCX-4-FEET-A-240 WATTS-2 MOTOR 4 BLOWERS-2000 CFM (H), 1450 CFM (L)-220 V; SINGLE PHASE, 50 HZ-4 FEET-ADVANCED
Categories: Metal Body Air Curtains
Standard vs Premium vs Advanced — what actually differs
For a given size, all three deliver the same airflow, wattage and CFM. The difference is not the specification — it is the grade of the components behind it. A 100% copper motor can be sourced at very different price points; the rating stays the same while life, durability and support do not. That grade is what separates these three series, and the onsite warranty reflects it.
| Standard | Premium | Advanced | |
|---|---|---|---|
| Best suited for | Shops, offices, showrooms | Hotels, malls, hospitals | Factories, warehouses, cold storage |
| Duty cycle | Regular daily use | Extended daily operation | 24×7 continuous |
| Motor grade | Entry-grade 100% copper | Higher-grade 100% copper | Industrial premium-grade |
| Expected service life | 3–5 years | 8–10 years | 15–20 years |
| Onsite warranty | 1 year | 3 years | 5 years |
| Airflow / wattage / CFM | Same | Same | Same |
Body gauge and bearing type are common across the range; the difference lies in component quality and sourcing.
🔍 At a Glance
4 Feet • 240W • 2 motors • 2,000 CFM • 65 dB • steel body
⚙️ Specifications
| Door width | 4 Feet (1.2 m) | Mount height | 2.3 – 2.9 m |
| Motor power | 240 W (2× industrial copper motors with thermal cut-off + sealed bearings) | Blowers | 4 cross-flow |
| Airflow (High) | 2,000 CFM | Airflow (Low) | 1,450 CFM |
| Air velocity | 14 m/s | Voltage | 220 V · single-phase · 50 Hz |
| Body | Powder-coated steel | Noise | ≤65 dB |
| Weight | ~16.5 kg | HSN | 8414 59 10 |
✨ Key Features
- 🏭 Powder-coat steel body — dent-resistant, factory-grade powder coat finish for dust and oil environments.
- ⚡ 240W industrial copper motor stack — 2× sealed-bearing Indian copper motors with thermal cut-off, built for 24×7 continuous duty.
- 💨 2,000 CFM @ 14 m/s jet — industrial-grade airflow that holds the seal even when doors are open longer and traffic is heavy.
- 🎚️ High/Low 2-speed switch — run on High for peak traffic and Low for off-peak hours. A free automatic door sensor is included.
- 🛡️ 5-year motor warranty — industry-leading coverage from Chronovex Noida, with pan-India service and Indian copper spares availability.
📦 In the Box
- 1 × Air Curtain 4ft Metal Body Advanced Series
- Mounting bracket kit + screws + wall plugs
- User manual + warranty card
- Chronovex GST invoice (B2B claim eligible)
📍 Who Should Buy This?
- 🏭 Factory & plant gates — personnel and small-vehicle entrances where the door stays open during shift changes and material movement.
- 🚚 Warehouse loading bays — forklift and dock-door openings where dust, fumes and pest ingress need to be sealed off without slowing operations.
- ❄️ Cold rooms & chillers — reduces condensation and energy loss at chiller entrances.
- 🍳 Commercial kitchens & food processing — keep flies, dust and odour out of prep areas while staff move freely between hot and cold zones.
- 🏥 Hospital service entrances — ambulance bays, mortuary access, supply doors where pest and contaminant ingress must be controlled 24×7.
- 🏫 Auditoriums & banquet halls — large-format public entrances with heavy footfall, where long running hours matter more than anything else.
🛠️ Installation Notes
- Mount horizontally above the door frame, height 2.3–2.9 m (lower = stronger barrier).
- Air jet should point slightly outward (5–10°) to deflect incoming flies/dust.
- Plug into a dedicated 5 A / 220 V outlet — no rewiring needed.
- Test high mode first (2,000 CFM), then low mode for off-peak hours.
- Clean filter grille every 30 days (dust load varies by location).
❓ Quick FAQ
Q. How many hours a day can it run?
The Advanced Series is built for 24×7 continuous duty, with a thermal cut-off protecting the motors during overload.
Q. Premium vs Advanced — kaunsa lu?
Showroom, clinic, mall, hotel — take the Premium. Factory gate, warehouse, cold room, loading bay — take the Advanced. Airflow and wattage are the same; the Advanced has an industrial premium-grade motor, blower and housing for 24×7 duty, a free automatic door sensor and a 5-yr warranty.
Q. What is the installation height?
2.3m to 2.9m mounting range. It is installed at the top of the door with a steel angle bracket. An installation guide PDF comes with the order.
Q. Will I get a GST invoice?
Yes, a full GST tax invoice with HSN 8414 59 10 — valid for ITC claim. Pan-India shipping with insured transit.
📊 Compare — Metal Body Advanced 4 Feet vs Premium vs Standard
| Specification | Metal Advanced | Metal Premium | Metal Standard |
|---|---|---|---|
| Motor warranty | 5 years | 3 years | 1 year |
| Motor, blower & housing grade | Industrial premium-grade | Higher-grade 100% copper | Entry-grade 100% copper |
| Duty cycle | 24×7 continuous | Extended daily operation | Regular daily use |
| Expected service life | 15–20 years | 8–10 years | 3–5 years |
| Automatic door sensor | Free | Optional | Optional |
| Best for | Factories, cold rooms, loading bays | Showrooms, clinics, malls | Shops, offices, small retail |
| 4 Feet airflow | 2,000 CFM | 2,000 CFM | 2,000 CFM |
🛡️ Why Chronovex?
- ISO 9001:2015 certified manufacturing — Noida, U.P.
- 5-year replacement warranty on motor + blower assembly.
- Pan-India dispatch — same day from Noida; delivery 4–7 days (Delhi NCR same day).
- GST invoice — full ITC claim eligible for B2B buyers.
- Direct factory support — no dealer markup, WhatsApp +91 9997778202.
📖 Product Overview & Buyer Guide
The 4 Feet Metal Body Advanced air curtain is engineered for the toughest Indian commercial and light-industrial conditions. With a 240W industrial copper motor stack pushing 2,000 CFM through a powder-coated steel housing, this unit handles factory gates, warehouse loading bays, cold-room entrances, large kitchen pass-throughs and food-processing plants where entry-grade units wear out. Industrial premium-grade copper motors, a High/Low 2-speed switch, a free automatic door sensor, thermal cut-off and a 5-year warranty make this the unit Chronovex specifies when downtime is not an option.
🏅 Manufacturing & Quality
Chronovex Industries Pvt. Ltd. manufactures every air curtain at our ISO 9001:2015 certified facility in Noida, Uttar Pradesh. Each 4ft Metal Body Advanced unit passes 12 QC checkpoints — motor balancing, blower alignment, voltage stability (200–240 V tolerance), thermal cut-off testing, noise level (≤65 dB at 1 m), and a full 30-minute run-test before packaging.
⚙️ Why specify Metal Body Advanced over Premium or Standard?
Premium and Advanced give the same airflow and wattage and both have a High/Low switch. The difference is the grade of the motor, blower and housing: Premium uses higher-grade copper-wound motors and blowers for extended daily operation (8–10 year service life, 3-year warranty), while Advanced uses industrial premium-grade motors, blowers and housing for 24×7 continuous duty (15–20 year service life) at factory gates, loading bays, cold rooms and busy commercial kitchens (5-year warranty, automatic door sensor included free). If the door stays open through long shifts or the unit runs round the clock, Advanced is the right specification.
🚚 Logistics, Warranty & Support
| Lead time | 3–5 working days (pan-India surface freight) |
| Packaging | Double-wall corrugated carton + EPE foam, transit-rated |
| Warranty | 5 years replacement on motor + blower assembly |
| Invoice | GST tax invoice with full ITC eligibility |
| Bulk pricing | Volume discount on 10+ units (contact for B2B rate card) |
❓ Frequently Asked Questions
✉️ Email: chronovexindustries@gmail.com
📍 Factory: Noida, U.P. — ISO 9001:2015
Frequently Asked Questions
Find answers to common questions about this product