1. Different materials . Different values

If your application involves high temperatures, high humidity, strong corrosion, or food-grade requirements, stainless steel is the more reliable choice.

2. Process Demonstration Diagram:

3.Technical Specifications

Stainless steel air knives can be customized to customer specifications. They are widely used for cleaning, water removal, and drying in applications such as circuit boards, electroplated parts, and coating film drying. The air knife outlet size is adjustable with a simple adjustment mechanism, allowing customers to modify the outlet size according to product requirements.

4. Advantages

1. Corrosion Resistance & High Temperature Tolerance

304/316 materials ensure long-term operation in humid, acidic, alkaline, and cleaning solution environments.

2. High Strength · Excellent Stability

Maintains shape and performance without degradation during continuous long-term operation.

3. Extended Service Life

Outperforms aluminum in wear resistance and impact tolerance, ideal for high-frequency production lines.

4. Superior Pressure Resistance

Supports higher supply pressures for stronger, more stable air curtains.

5. Sanitary Grade & Easy Cleaning

Available with polished/brushed finishes, suitable for food and pharmaceutical production lines.

6. Comprehensive Customization

Length, interface orientation, slit width, and material combinations adjustable to specific operational requirements.

5.Application Scenarios

1. Food & Beverage Industry Solution:     

Industry Pain Points: Residual moisture on bottles before packaging causes label peeling and microbial growth

Core Value: 304 stainless steel material · Food-grade certification · Residual moisture <0.1%

2. Pharmaceutical & Packaging Industry Solution:

Industry Pain Points: Residual moisture after sterilizing pharmaceutical bottles poses sterile contamination risks

Core Value: 316L stainless steel material · GMP certified · Moisture residue <0.05% 

 PCB & Electronics Industry Solution

Industry Pain Points: Dust residue on PCB boards before assembly causes solder joint oxidation and reduced yield

Core Value: Laser-cut blade lip · Airflow uniformity ±0.1mm · 30% yield improvement

Automotive Parts Industry Solution:

Industry Pain Points: Oil and dust contamination before component coating, causing paint peeling and high rework rates

Core Value: 250°C heat resistance・Automotive-grade stainless steel・60% reduction in paint rework rates

Metal Processing Industry Solution:

Industry Pain Points:CNC machining residue affecting subsequent grinding precision and causing corrosion                                                                                                                                                                                                                                                      Core Value: Strong acid corrosion resistance・Metal polishing compatibility・Coolant residue <0.1%

Printing Industry Solution

Industry Pain Points: Ink and paper dust in printing workshops contaminate equipment, compromise print quality, pose health risks, and incur high manual cleaning costs                                                                                                                                             Core Value: Air curtain isolation technology adapts to all printing scenarios, reduces dust concentration by 80%, protects equipment, enhances quality, and lowers costs

6.Limitations of Stainless Steel Air Knives

1.High cost (material + complex machining)

2.Heavy weight (requires sturdier mounting brackets)

3.Long processing cycle (high stainless steel hardness requires slower machining) Poor heat transfer (high-speed continuous drying may cause temperature rise)

4.Increased welding costs for large dimensions

7.How We Address These Challenges

1. Lightweight Structure

Achieve 15–30% weight reduction through thin-wall machining and optimized airflow channels.

2. Cost-Optimized Solutions

Offer hybrid structures combining aluminum alloy bodies with stainless steel air outlets.

3. Shortened Lead Times

In-house CNC machining and welding teams enable stock availability/rapid delivery for standard models.

4. Temperature Rise Management Design

Optimize airflow angles and duct shapes for high-temperature applications.

5. Professional Application Assessment

Recommend materials based on corrosion, temperature, humidity, and chemical fluid types to prevent oversizing.

8. Recommended Applications

High-temperature, high-humidity, acidic/alkaline environments, food/pharmaceutical processing, and outdoor long-term operation scenarios.

Is It Suitable for Your Application? We Can Support With:

✔ Cost Comparison (304/316/Aluminum/Hybrid Structures)

✔ Selection Guidance (Recommend optimal material and dimensions)

✔ Application assessment (prevent overpaying or incorrect purchases)

✔ Technical drawings (confirm interfaces/installation dimensions)

✔ Sample testing (verify airflow and uniformity)

✔ Lead time clarification (standard & custom models)

Eliminate trial-and-error, reduce procurement risks, and enhance selection accuracy.

9. Supplier Capabilities

img:CNC/laser cutting/3000+ monthly capacity

img:Stainless Steel 304 Certificate