China Standard 16A-2 a Series Short Pitch Precision Duplex Industrial Engineering Roller Chains and Bush Chains

Product Description

Model NO. 06C/08A/10A/12A/16A/20A/24A/28A/32A/40A/06B/08B/10B/12B/16B/20B/24B/28B/32B/40B-1/2/3
Heavy duty
Chain Model Roller Chains
Structure (for Chain) Roller Chain
Specification GB/T, DIN, ANSI, ISO, BS, JIS.
Origin HangZhou, ZheJiang
Color Solid Color
Chain Color Customized

Our company

Wolff Chain Co. is 1 of the professional chain manufacturers in China. We focus on reseaching, manufacturing and trading of the chain drive with famous brands — “DOVON” and “DECHO”. We supply OEM services for many famous enterprises such as SUZUKI, XIHU (WEST LAKE) DIS., FAW, AGCO, JUMING as well. 

Wolff mainly producing the Transmission chains,Conveyor chains,Dragging Chains,Silent chains,Leaf chains,Roller chains,Special chain and many other series of chain products. Our technicians a have improved the chains quality to the world-level. High quality material selection, powerful and precise heat-treatment technology and excellent assembly methods ensure Wolff chains meet the tough and strict requirements for machines and vehicles. 

All of our products completely conform to the international standard such as ISO\DIN\ANSI\BS\JIS, etc. Wolff has been successfully certified by ISO9001 Quality Management System,SGS inspection and BV inspection. Wolff chains can be widely applied to many industries including automobile, motorcycle, forklift, wood processing machine, constructure machine, packing machine, food machine,tobacco machine and agricultural equipments. Wolff chains are popular in America,South America,Europe,Middle East, South East Asia and Africa markets.

Our workshop

Our certification

Welcome to our exhibition


Q1. What is your terms of packing?
A: Generally, we pack our goods in single color box. If you have special request about packing, pls negotiate with us in advance, we can pack the goods as your request.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages 
before you pay the balance. Other payments terms, pls negotiate with us in advance, we can discuss.

Q3. What is your terms of delivery?

Q4. How about your delivery time?
A: Generally, it will take 25 to 30 days after receiving your advance payment. The specific delivery time depends 
on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and 
the courier cost.We welcome sample order.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?
1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, 
no matter where they come from.

Standard or Nonstandard: Standard
Application: Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Food Machinery, Marine, Mining Equipment
Surface Treatment: Oil Blooming
Structure: Roller Chain
Material: Carbon Steel
Type: Short Pitch Chain
US$ 0/Piece
1 Piece(Min.Order)

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Customized Request

duplex chain

What are the limitations of using duplex chains in certain applications?

While duplex chains offer many advantages, there are certain limitations to consider when using them in certain applications. Here are some key limitations:

  • Space Constraints: Duplex chains have a wider profile compared to other chain types, which can be a limitation in applications with limited space. It’s important to ensure that there is sufficient space to accommodate the duplex chain and its associated components.
  • Complex Installation: Installing and properly tensioning duplex chains can be more complex compared to simpler chain designs. It may require specific tools and expertise to ensure proper installation and tensioning, which can increase the overall installation time and complexity.
  • Higher Weight: Due to their design and construction, duplex chains can be heavier compared to other chain types. This additional weight may not be suitable for applications where weight reduction is a critical factor.
  • Increased Friction: Duplex chains can generate higher friction compared to some other chain types. This can lead to increased power loss and reduced overall efficiency in certain applications.
  • Maintenance Requirements: Duplex chains require regular maintenance, including lubrication and periodic inspection, to ensure optimal performance and longevity. Neglecting proper maintenance can lead to increased wear and reduced service life.
  • Cost: Duplex chains can be more expensive compared to standard chains or other power transmission options. The cost of purchasing and maintaining duplex chains should be considered in relation to the specific application requirements and budget.

It’s important to carefully evaluate the specific needs and constraints of the application when considering the use of duplex chains. Alternative chain types or power transmission solutions may be more suitable in certain situations. Consulting with experts or chain manufacturers can provide valuable guidance in selecting the most appropriate chain type for a given application.

duplex chain

Are there any environmental considerations when using duplex chains?

Yes, there are several environmental considerations to keep in mind when using duplex chains in various applications. Here are some key factors to consider:

  • Corrosive environments: If the application involves exposure to corrosive substances or environments, it is crucial to select duplex chains made from corrosion-resistant materials. Stainless steel or coated chains are commonly used in such conditions to prevent rust and degradation.
  • Chemical exposure: In applications where duplex chains may come into contact with chemicals, it is essential to choose materials that are resistant to the specific chemicals involved. Compatibility charts or consultation with chain manufacturers can help determine the suitable material for chemical resistance.
  • Dusty or dirty environments: Operating duplex chains in dusty or dirty environments can lead to the accumulation of debris, which can affect chain performance. Regular cleaning and proper lubrication are necessary to prevent abrasive particles from causing wear and reducing chain life.
  • Humidity and moisture: High humidity or moist conditions can contribute to chain corrosion and accelerated wear. In such environments, it is crucial to use appropriate lubrication and consider protective measures such as sealing or shielding to minimize moisture ingress.
  • Environmental regulations: Depending on the industry and application, there may be specific environmental regulations or standards to comply with. It is important to ensure that the use of duplex chains aligns with applicable regulations and meets environmental requirements.

By considering these environmental factors and selecting duplex chains with suitable materials and coatings, as well as implementing proper maintenance practices, the performance and longevity of the chains can be optimized while minimizing the impact on the environment. It is recommended to consult with chain manufacturers or industry experts for specific guidance on environmental considerations related to duplex chain usage.

duplex chain

What is a duplex chain and how does it differ from other types of chains?

A duplex chain is a type of roller chain that consists of two parallel strands of interconnected links. It is commonly used in applications that require higher strength and durability compared to standard single-strand chains. Here’s a detailed explanation of duplex chains and their key differences from other types of chains:

A duplex chain features two sets of outer plates, inner plates, rollers, and pins, which are connected together to form the two parallel strands. The strands are typically offset from each other by half a pitch, creating a symmetrical design. The inner plates have a slightly wider profile to accommodate the double strands.

The main differences between duplex chains and other types of chains, such as single-strand chains, include:

1. Load capacity: Duplex chains offer higher load-carrying capacity compared to single-strand chains. The use of two parallel strands increases the contact area with the sprockets, distributing the load more evenly and reducing stress on individual components.

2. Tensile strength: Duplex chains have greater tensile strength due to the double strand configuration. The additional set of links and plates enhances the chain’s overall strength, making it suitable for heavy-duty applications that require withstanding high loads and shocks.

3. Increased durability: The use of double strands in a duplex chain improves its durability and resistance to wear. The load distribution across the two strands helps to minimize wear on individual components, extending the chain’s service life.

4. Higher precision: Duplex chains typically offer better precision and alignment than single-strand chains. The symmetrical design and double strands contribute to improved positioning accuracy, making duplex chains suitable for applications that require precise motion control.

5. Compatibility: Duplex chains are compatible with the same types of sprockets as single-strand chains. They can be used in a wide range of applications where the transmission of power and motion is required.

In summary, duplex chains provide increased load capacity, higher tensile strength, enhanced durability, improved precision, and compatibility with standard sprockets. These features make duplex chains a preferred choice for demanding applications that require robust power transmission and reliable performance.

China Standard 16A-2 a Series Short Pitch Precision Duplex Industrial Engineering Roller Chains and Bush Chains  China Standard 16A-2 a Series Short Pitch Precision Duplex Industrial Engineering Roller Chains and Bush Chains
editor by CX 2023-09-11