Constructed from 304 or 316 stainless steel, offering high-temperature resistance and corrosion resistance. Suitable for harsh or clean production environments, providing an efficient blow-off solution for cleaning, drying, and dust removal production lines.
Material Type | Corrosion Resistance Rating | Intensity |
304 Stainless Steel | Good (Neutral / Mildly Corrosive Environments) | High |
316 Stainless Steel | Excellent (Strong acids / seawater and other highly corrosive environments) | High |
Aluminum Alloy | Standard (requires surface treatment for corrosion resistance) | Normal |
titanium | Excellent (extreme corrosive environments such as strong acids/alkalis and seawater) | High |
PVC | Good (acid and alkali resistant, not resistant to organic solvents) | low |


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.
Supported Length | 100–4000 mm | Standard Air Inlets | G1/4 / G1/2 / Quick Connect / Flange |
Adjustable Air Outlet Gap | 0.1–3 mm
| Pressure Rating | 0.2–0.7 MPa
|
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%

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:

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
Material Type | Corrosion Resistance Rating | Intensity |
304 Stainless Steel | Good (Neutral / Mildly Corrosive Environments) | High |
316 Stainless Steel | Excellent (Strong acids / seawater and other highly corrosive environments) | High |
Aluminum Alloy | Standard (requires surface treatment for corrosion resistance) | Normal |
titanium | Excellent (extreme corrosive environments such as strong acids/alkalis and seawater) | High |
PVC | Good (acid and alkali resistant, not resistant to organic solvents) | low |


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.
Supported Length | 100–4000 mm | Standard Air Inlets | G1/4 / G1/2 / Quick Connect / Flange |
Adjustable Air Outlet Gap | 0.1–3 mm
| Pressure Rating | 0.2–0.7 MPa
|
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%

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:

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