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Product Overview
Our GLF and 81X series bush roller chains are designed for horizontal scraper conveyors widely used in grain handling, feed processing, and bulk material conveying systems.
These chains provide reliable performance in continuous conveying applications, especially in TGSS type flat scraper conveyors.
The scraper conveyor chain runs over sprockets to transmit power and ensure smooth conveying operation.
👉 You can also check our matching sprocket here.
Material and Manufacturing
We manufacture GLF and 81X, 81XH, and 81XHH series scraper conveyor chains using high-quality medium alloy steel to ensure durability and performance.
- Chain plate material: 40Mn
- Pin and roller material: 40Cr
All components are heat-treated to achieve suitable surface hardness, ensuring strong wear resistance and long service life under continuous operation.
Performance Advantages
Our scraper conveyor chain offers:
- High tensile strength for heavy-duty conveying
- Strong anti-shearing capability under load
- Excellent wear resistance due to heat treatment
- Stable and reliable performance in continuous operation
- Smooth running and consistent conveying efficiency
In addition, the chain has a well-finished surface, contributing to both durability and a clean overall appearance.
Proper matching between chain and sprocket is important to reduce wear and extend service life.
A well-designed sprocket helps improve transmission efficiency and reduce maintenance cost.
Application
This series chain is mainly used in:
- Horizontal scraper conveyors
- TGSS flat scraper conveyor systems
- Grain and feed conveying lines
- Bulk material handling equipment
Matching Components
The GLF series chain is commonly used together with flat scraper flights for TGSS conveyors.
👉 You can also check our matching scraper flights.
Technical Drawing
GLF series chain is used for TGSS Flat Scrape Conveyor. Install our BF Series Flat Scrape Flight.
Specification
| Model | Pitch P |
Inner width b1 |
Roller dia d1 |
Pin dia d2 |
Plate width H |
Plate thickness T |
Bending plate dimension parameters | Breaking Load-in KN |
|||
| Plate channels L |
Hole space L1 |
Hole space L2 |
Hole dia | ||||||||
| GLF66.5(5-6)D | 66.5 | 26.5 | 22.23 | 12.7 | 30 | 5/6 | 160 | 102 | 2-Φ9X14 | 130 | |
| 230 | 95 | 195 | 4-Φ9X14 | ||||||||
| 270 | 102 | 228 | |||||||||
| GLF66.675(5-6)D | 66.675 | 26.5 | 22.23 | 12.7 | 30 | 5-6 | 182 | 90 | 150 | 4-Φ9X14 | 130 |
| 215 | 95 | 195 | |||||||||
| 295 | 95 | 195 | |||||||||
| GLF100(6)D | 100 | 38.5 | 36 | 16 | 40 | 6 | 170 | 115 | 2-Φ9X14 | 220 | |
| 225 | 95 | 195 | 4-Φ9X14 | ||||||||
| 294 | 115 | 245 | |||||||||
| 370 | 155 | 255 | |||||||||
| GLF125(6)D | 125 | 32.5 | 25 | 18 | 50 | 6 | 300 | 115 | 245 | 4-Φ9X14 | 180 |
| 370 | 130 | 330 | |||||||||
| GLF160(8)D×385 | 160 | 36.5 | 36 | 17.8 | 50 | 8 | 385 | 130 | 330 | 4-Φ11X15 | 200 |
| GLF200(8)D×467 | 200 | 42.5 | 40 | 20 | 60 | 8 | 467 | 160 | 420 | 4-Φ13X17 | 250 |
| 81X | 66.27 | 26.99 | 23.02 | 11.1 | 28.6 | 4 | Other dimensions can be customised | 106.7 | |||
| 81XH | 66.27 | 26.99 | 23.02 | 11.1 | 32.3 | 6/8 | 152 | ||||
| 81XHH | 66.27 | 26.99 | 23.02 | 11.1 | 32.3 | 8 | 186.7 | ||||
Specifications not listed above can be customized based on client requirements. We can also provide standard drawings for your reference upon request.
GLF vs 81X vs 81XH vs 81XHH Scraper Conveyor Chain Comparison
81X, 81XH, 81XHH series chain
| Chain Type | Structure Type | Strength Level | Typical Application | Key Feature |
|---|---|---|---|---|
| GLF | Flat scraper chain | Medium | TGSS flat scraper conveyors | Designed for flat scraper flights |
| 81X | Bush roller chain | Medium | Standard scraper conveyors | General-purpose, widely used |
| 81XH | Heavy-duty bush chain | High | Heavier load conveying | Thicker plates, higher strength |
| 81XHH | Extra heavy-duty chain | Very High | High load / abrasive conditions | Maximum strength and durability |
You can select the appropriate chain type based on the load, working condition, and conveyor structure.
For TGSS flat scraper conveyors, GLF series is commonly used together with scraper flights, while 81X series chains are more suitable for general horizontal conveying applications.
How to Choose the Right Scraper Conveyor Chain
| Working Condition | Recommended Chain Type | Reason |
|---|---|---|
| Light load, standard conveying | 81X | Cost-effective and suitable for general applications |
| Medium load, continuous operation | 81XH | Higher strength and better durability |
| Heavy load or abrasive material | 81XHH | Maximum strength and wear resistance |
| TGSS flat scraper conveyor | GLF | Designed specifically for flat scraper systems |
| Dusty or harsh environment | 81XH / 81XHH | Better wear resistance and longer service life |
| Need long service life | 81XH / 81XHH | Reduced maintenance and replacement frequency |
The correct chain selection depends on the load, material type, and working environment.
Choosing a higher-strength chain can help reduce maintenance frequency and extend service life, especially in demanding conditions.
If you are not sure which model to choose, feel free to send us your conveyor details or drawings for recommendation.
Typical Applications of Each Chain Type
| Chain Type | Typical Applications | Industry Use |
|---|---|---|
| GLF | TGSS flat scraper conveyors | Grain handling, feed processing |
| 81X | Standard horizontal conveyors | General bulk material handling |
| 81XH | Medium to heavy-duty conveying systems | Feed mills, grain storage systems |
| 81XHH | Heavy load or abrasive material conveying | Cement, mining, high-wear systems |
Different chain types are designed for different working conditions and industries.
Selecting the correct chain ensures stable operation, longer service life, and reduced maintenance cost.
Drag Scraper Chain Conveyor
A scraper conveyor system mainly consists of chain, sprocket and scraper flights.
Ordering Information
To select the correct chain model, please provide:
- Chain type (GLF, 81X, 81XH, 81XHH)
- Pitch and dimensions
- Working condition
- Conveyor type
If you have drawings or existing samples, we can manufacture accordingly.
For better performance, we recommend selecting the chain together with the matching sprocket and scraper flights as a complete system.
👉Not sure which chain is suitable for your system?
Send us your conveyor details, and we will recommend the most appropriate chain model.

















