Premium Quality 7 Ton Paint Line Drag Chain Corrosion Resistant Heavy Duty Drive Chains for Small Batch Hardware Fitting Coating Lines
This 7 Ton Drive Chain is proudly manufactured by Hangzhou Ocean Industry Co., Ltd. As a leading supplier to the heavy-duty machinery and coating equipment industries, we are well-recognized for delivering high-performance, cost-effective drive chain solutions. We adopt premium alloy steel materials and advanced precision manufacturing processes to produce this 7-ton drive chain, ensuring outstanding tensile strength, corrosion resistance, and durability even in harsh working environments such as medium-to-heavy duty coating lines and industrial conveying systems.
Every 7 Ton Drive Chain undergoes stringent quality control procedures, from raw material inspection to finished product testing, covering load-bearing capacity, anti-static performance, noise level, and wear resistance. We stand firmly behind our products with comprehensive warranty support, providing our customers with peace of mind in long-term operation.
Hangzhou Ocean Industry Co., Ltd. offers the standard 7 Ton Drive Chain as well as robust OEM/ODM customization capabilities to meet diverse application needs. Our engineering team is proficient in tailoring solutions according to customers' exact drawings, specifications, or provided samples-flexibly adjusting pitch, width, attachment styles, coating materials, and lubrication schemes to adapt to specific working conditions. Whether for workpiece conveying in coating lines, heavy-duty material handling, or other industrial transmission scenarios, we deliver professional and reliable drive chain products.
Our 7 Ton Drive Chains have been exported to global markets, earning wide recognition from customers for their stable performance, competitive pricing, reliable on-time delivery, and steadfast after-sales service. We are committed to becoming a trusted partner for heavy-duty machinery manufacturers and industrial enterprises worldwide, providing high-quality drive chain solutions that enhance operational efficiency and reduce maintenance costs.
Core Advantages
✓ Rated Load of 7 Tons: Ideal for conveying workpieces in medium-to-heavy duty coating lines
✓ Static Dissipative Compliance: Eliminates the risk of powder adhesion
✓ Special Coating + Alloy Steel Construction: Corrosion & wear resistance for extended service life
✓ Low-Noise Transmission: Equipped with a dedicated lubrication solution to reduce maintenance costs
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| NO MODEL |
QKG-150 |
QXG-150B |
QKG-200A |
QXG-206 |
QKG-240 |
QKG-240A |
QXG-250A |
QKG-300A |
Pitch of chain(mm) |
150 |
150 |
200 |
206 |
240 |
240 |
250 |
300 |
Single point lifting(kg) |
8 |
8 |
30 |
30 |
50 |
50 |
50 |
50 |
Allowable chain tension (KN) |
2.5 |
2.5 |
3 |
3 |
5 |
5 |
5 |
10 |
Chain breaking force(KN) |
≥25 |
≥30 |
≥30 |
≥30 |
≥50 |
≥50 |
≥50 |
≥100 |
Weight (kg/m) |
2.83 |
2.83 |
5.2 |
5.11 |
10.5 |
7.6 |
7.9 |
13 |
Track weight (kg/m) |
4.36 |
4.36 |
7.18 |
7.18 |
8.12 |
8.12 |
8.12 |
14.6 |
Speed of movement (m/min) |
0.26-2.6 0.52-5.2 0.87-8.7 1.21-12.1 1.51-15.1 |
0.18-1.8 0.25-2.5 0.36-3.6 0.51-5.1 0.62-6.2 0.88-8.8 |
0.18-1.8 0.25-2.5 0.36-3.6 0.51-5.1 0.62-6.2 0.88-8.8 |
0.15-1.5 0.4-4 0.74-7.4 1.1-11 1.4-14 |
0.17-1.7 0.26-2.6 0.35-3.5 0.54-5.4 0.84-8.4 1.16-11.6 |
0.2-2 0.28-2.8 0.414.1 0.56-5.6 0.7-7 0.97-9.7 |
Constant Epeed-3.9 4.4/6.0/7.3/ 8.7/9.9/11/1 3.2/15.4 0.34-3.4 0.5-5 0.7-7 1.21-11.2 |
0.2-2 0.3-3 0.41-4.1 0.61-6.1 1.04-10.4 |
| Speed range |
1:10 |
1:10 |
1:10 |
1:10 |
1:10 |
1:10 |
Constant speed 1:10 |
1:10 |
Working temperature( c) |
-20~200 |
-20~200 |
-20~200 |
-20~200 |
-20~200 |
-20~200 |
-20~200 |
-20~200 |
Conveyor Power(KIW) |
0.75,1.1 |
0.75,1.1 |
1.1,1.5 |
1.1,1.5 |
1.5,2.2 |
1.5,2.2 |
1.5,2.2 |
3 |
Remarks:1 Each of the above items can be specially designed,manufactured,and ancillary services according to customer needs including various types of drive devices) |
2. When selecting the moving speed, it is best to run at the actual working speed of 0.6-0.8 times of the high end of the selected speed, so as to ensure a certain speed range, so as to make the speed regulating motor in good working condition. |
QXG150A-12KG
Weight per meter: 2.8kg
Formula Rail: 57 × 47 × 3.5mm
QXG200A-30KG
Weight per meter: 5.7kg
Formula Rail: 72 × 68 × 4mm
QXG200B-30KG
Weight per meter: 6.2kg
Formula Rail: 72 × 68 × 4mm
QXG206A-30KG
Weight per meter: 5.6kg
Formula Rail: 72 x 68 x 4mm
QXG206B-30KG
Weight per meter: 6.1kg
Formula Rail: 72 x 68 x 4mm
QXG240A-50KG
Weight per meter: 6.7kg
Formula Rail: 80 x 80 x 4mm
QXG250A-50KG
Weight per meter: 6.5kg
Formula Rail: 80 x 80 x 4mm
QXG250B-50KG
Weight per meter: 7.3kg
Formula Rail: 80 x 80 x 4mm
QXG300A-100KG
Formula Rail: 100 x 100 x 6 (5) mm
Note: the chain plate is made of 40
manganese high strength alloy steel, and the
ball of bearing roller is filled with high
temperature grease.
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| MODEL ITEM |
UH-5075-S Standard chain |
UH-5075-HH Heavy-duty chain |
UH-5075-HV Heavy-duty chain |
UH-5075-HA Heavy-duty chain |
Suspension Spacing (mm) |
150+(150×N) |
150+(150×N) |
150+(150×N) |
150+(150×N) |
Chain's Weight (kg/m) |
4.2 |
4.58 |
4.83 |
5.3 |
Single-span Weight (≤kg) |
35 |
40 |
45 |
50 |
Chain's Allowed Pull Force (≤kgf |
3000 |
3000 |
3000 |
3000 |
Chain's Catastrophic Pull Force (≥kgf) |
5500 |
5500 |
5500 |
5500 |
Working temperature (≤ºC) |
250 |
300 |
300 |
400 |
Applicable Equipment |
General conditions |
Large bending; High temperature |
High temperature Heavy work piece Frequently lifted; |
High temperature Heavy work piece Complicated route |
| Material |
16#Medium-carbon steel,Steel A3 |
Remark.The above technical data is for our usual hanging type conveyors:UH-5S,UH-5HH,VH-5HA type.We can customize design and manufacture the products based customers particular requirements |
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Advantages:
* Low noise
* Less power consumption
* Stable operating performance
* User-friendly and safe
* Excellent extensibility
* Optimizes space usage
* Allows for large angle bending
* High mechanization & automation
* Close-loop continual conveying
* Compatible with ground facilities
* Allows turns on horizontal and vertical planes
Other Spare Parts:
* Track: Straight, Bush, Vertical, Horizontal
* Driver Device: Sprocket
* Take up Device: Heavy Bob type
* Hanger: Cross type disk, Sprocket wheel, Y type, Electroplating, U type
* Other Accessories: Hanger turner, Track flange, Oil feeding cup, Oil sprayer
Application: Overhead Conveyor Chain is ideal for continual conveying in various industrial processes such as surface treatment, powder coating, paint spraying, drying, and more. It finds applications in furniture factories, bicycle plants, electronic products factories, and hardware factories.


Hangzhou Ocean Industry Co., Ltd. is a leading professional manufacturer of power transmission components in China, with a strong global presence. We offer a high-quality 7 Ton Painting Line Drive Chain, a specialized solution meticulously engineered for the unique demands of coating and finishing equipment, along with customized derivatives tailored to diverse industrial painting line applications. Our 7 Ton Painting Line Drive Chain is renowned for its exceptional load-bearing capacity, corrosion resistance (adaptable to painting line environments), stable power transmission, and long service life, establishing us as one of the most competitive and quality-focused suppliers of painting line drive components in the market.
With extensive manufacturing expertise in power transmission chains, we provide highly flexible OEM and ODM services for 7 Ton Painting Line Drive Chain to global clients. Whether producing precisely to your technical drawings for painting line integration or reverse-engineering and optimizing the chain based on a provided sample to enhance compatibility with existing 7-ton painting equipment, our engineering team delivers professional and reliable support. We utilize advanced CNC machining, precision chain assembly equipment, and specialized surface treatment technologies (to resist paint mist and chemical agents in painting environments), and our entire production process adheres to a stringent ISO9001-based quality management system, ensuring every 7 Ton Painting Line Drive Chain meets international standards for performance, durability, and consistency in harsh painting line operations.
Our 7 Ton Painting Line Drive Chains have been successfully integrated into painting equipment across the Americas, Europe, and Asia, proving their reliability in demanding painting line environments such as automotive coating lines, industrial machinery finishing lines, and hardware surface treatment lines. We are dedicated to delivering the optimal balance of competitive pricing, guaranteed on-time delivery, responsive customer service, and comprehensive after-sales support for our 7 Ton Painting Line Drive Chain, ensuring your satisfaction throughout our partnership and minimizing downtime for your painting production lines.
Quality and integrity form the foundation of our operations. Hangzhou Ocean Industry remains committed to providing first-class 7 Ton Painting Line Drive Chain solutions and superior service to the global coating and manufacturing industry. For detailed specifications, CAD files, or to request samples of our 7 Ton Painting Line Drive Chain, please contact us. We guarantee a prompt and professional response to your inquiry.
Q1: Are you trading company or manufacturer ?
A: We are factory.
Q2: How long is your delivery time and shipment?
1.Sample Lead-times: generally 10 workdays.
2.Production Lead-times: 20-40 workdays after getting your deposit.
Q3. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.
Q4: What is your advantages?
1. Manufacturer,the most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.
4. Rich stock and quick delivery.
Q5. If you can't find the product on our website,what do you next?
Please send us inquiry with product pictures and drawings by email or other ways and we'll check.