Anhui Huihuang Chain Transmission Co., Ltd. is one of the leading manufacturers and suppliers of multiplex roller chain in China, featured by quality products and good service. If you're going to wholesale advanced multiplex roller chain made in China, welcome to get pricelist and free sample from our factory. We also accept customized orders.
Standard Parameter Table
|
Chain Model |
Pitch (P) mm |
Roller Diameter (d₁) mm |
Inner Width (b₁) mm |
Pin Diameter (d₂) mm |
Ultimate Tensile Strength (kN) |
Weight per Meter (kg/m) |
||||
|
3-Strand |
4-Strand |
5-Strand |
3-Strand |
4-Strand |
5-Strand |
|||||
|
40-3/4/5 |
12.7 |
7.77 |
6.35 |
3.96 |
38 |
47.7 |
55.9 |
1.02 |
1.36 |
1.7 |
|
50-3/4/5 |
15.875 |
10.16 |
9.4 |
5.23 |
67.6 |
84.8 |
99.4 |
1.8 |
2.4 |
3 |
|
60-3/4/5 |
19.05 |
11.91 |
12.57 |
5.94 |
89.3 |
112 |
131.3 |
2.55 |
3.4 |
4.25 |
|
80-3/4/5 |
25.4 |
15.88 |
15.75 |
7.92 |
153 |
192 |
225 |
4.5 |
6 |
7.5 |
|
100-3/4/5 |
31.75 |
19.05 |
18.9 |
9.53 |
226.7 |
284.5 |
333.4 |
6.6 |
8.8 |
11 |
|
120-3/4/5 |
38.1 |
22.23 |
25.22 |
11.1 |
323.9 |
406.4 |
476.3 |
9.9 |
13.2 |
16.5 |
When to Use Multiplex Roller Chains
Multiplex roller chains (two or more parallel strands) are the go-to solution for heavy-duty, high-torque, and long-lasting power transmission. They are specifically designed for scenarios where single-strand chains fall short.
1. Heavy-Duty & High-Load Applications
When equipment needs to transmit extreme torque or support heavy loads, multiplex chains excel. Their multi-strand design distributes stress evenly, providing 2–5 times the tensile strength of single-strand chains.
Mining & Quarrying: Drives for ore conveyors, crushers, and heavy haulers.
Steel Mills: Roller drives for furnaces, rolling mills, and material handling.
Port & Container Handling: Crane hoists, spreaders, and ship unloaders.
2. High-Power & Long-Distance Transmission
For transmitting power over long spans or at high speeds, multiplex chains maintain stability and reduce sagging, ensuring consistent performance.
Industrial Conveyors: Long-line material handling in factories, logistics hubs, and agriculture.
Heavy Machinery: Large pumps, compressors, and generators in power plants.
Automotive Lines: High-torque drives for assembly stations and robotic arms.
3. Harsh & Corrosive Environments
In dirty, wet, or chemically exposed settings, multiplex chains offer redundancy-if one strand is damaged, others keep running, preventing costly downtime.
Food Processing: Stainless steel or zinc-plated multiplex chains for washdown and chemical contact.
Agriculture: Harvesters, tractors, and irrigation systems in dusty, humid fields.
Construction: Excavators, bulldozers, and cranes operating in mud, dust, and debris.
4. Space-Saving High-Strength Design
When space is limited but strength cannot be compromised, a multiplex chain 𝑒.𝑔.,80−3 replaces a bulky, large-pitch single chain, saving installation space while delivering superior strength.
Motorcycles & ATVs: High-performance drives where compact size and high power are critical.
Textile & Printing: High-speed, compact drives for looms, presses, and packaging machines.
5. High Reliability & Low Maintenance
For 24/7 continuous operation, multiplex chains reduce wear per strand, extend service life, and minimize replacement frequency, making them cost-effective in the long run.
Continuous Production: Paper mills, cement plants, and pharmaceutical lines.
Critical Equipment: Where unexpected downtime leads to significant financial loss.
In short, whenever your application demands high load capacity, long-distance stability, harsh environment resistance, or compact high strength, multiplex roller chains are the optimal choice.
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