Product Description

Stainless Steel Zinc Alloy Casting Door Security Chain 

Product Description

Product name Stainless Steel Zinc Alloy Casting Door Security Chain 
Product Model DDDG002
Material Stainless steel / zinc alloy
Finish  SS,PSS,PVD,SNP,SCP,AB,AC
Accessories screws  
Suitable for Wooden door, Metal door, steel door  etc.

Packaging & Shipping

Stainless Steel Zinc Alloy Casting Door Security Chain 

MOQ  500 PCS
Package 1 PC  / polybag / inner box  in Standard export carton
Sample time 3-5 working days
Production lead time  20-25 days
Shipping Port  HangZhou , China   / HangZhou , China .

Testing Quality

Company Information

Our Services

 

D&D Hardware offers a combination of products to suite the individual Building, meeting not only the Requirements for Design and Function, but also the desired Budget.

More door hardware items include:
1. Stainless Steel Door Hinge- UL Listed & Fire Rated & CE Certificate
2. Door Locks – CE EN12209 Fire Rated 
3. Stainless Steel Door Handles- BS EN 1906
4. Panic Exit Device- UL Listed & CE Certificate
5. Door Controls – CE BS EN 1154
6. Glass Hardware / Bathroom Hardware

 

FAQ

Stainless Steel Zinc Alloy Casting Door Security Chain 
@_@    

Q:What certificate you have?

A:We have CE and UL certificate, all our product design follow up the international standard, such as the EN/CE, UL, ANSI standard.
 
Q :  Do you accept OEM or ODM?

A:  Yes, We are professional in OEM and ODM now , Cooperating with famous brands for OEM & ODM.

 

Q:Do you have quality system?

A:Yes, we have. We have set up our quality system and well controlled our production quality as per

the instructions and requirements in it and well-control each procedure throughout the mass-production.

 

Q:  What’s the guarantee of your products?

A :  5 Year Mechanical Guarantee. 

 

Q:  What’s the stainless steel Grade you are working now?

A:  We are working mostly in SUS304 and SUS316, some items can be SUS201 as well.

 

Q:  Could you send me sample before I place an order?

A: Yes, offer 3 pcs free samples for your evaluation, you provide the Courier account for freight collect.

 

Q:  Are your company factory or trading company?

A:  We are a SGS Audit factory, over 10 years manufacturing experience in architectural hardware.

 

Q:What is your payment terms ?

A:T/T, D/P, Western Union, L/C.

 

Q: How can I get the latest prices?

A:  Send requirements to us by mail or calling , we will reply you in 24 hours. D&D offer not only door hardware product but also Door Opening Solution.

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Material: Stainless Steel
Type: Door Chain
Style: Modern
Samples:
US$ 6/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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Shipping Cost:

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

China Professional Stainless Steel Zinc Alloy Casting Door Security Chain

cast chain

What are the benefits of using a cast chain in heavy-duty cranes?

Cast chains offer several advantages that make them well-suited for heavy-duty crane applications:

  • High Strength: Cast chains are made from alloy steel, which provides exceptional tensile strength and fatigue resistance. In heavy-duty cranes, where lifting large loads is common, the high strength of cast chains ensures safe and reliable operation.
  • Durability: Heavy-duty cranes often operate in demanding environments, and cast chains are built to withstand harsh conditions such as high loads, impacts, and abrasive particles. Their robust construction ensures a long service life with minimal maintenance.
  • Precision Engineering: Cast chains are manufactured with precision, resulting in consistent link dimensions and smooth articulation. This precision is crucial in heavy-duty cranes, as it contributes to smooth lifting and precise positioning of loads.
  • Wear Resistance: The materials used in cast chains are selected for their wear resistance properties, allowing them to maintain performance even in high-wear applications.
  • Customization Options: Manufacturers can tailor cast chains to meet the specific requirements of heavy-duty cranes. This includes designing chains with custom attachments, lengths, or configurations to optimize their performance for the intended application.
  • Reliable Power Transmission: Cast chains provide a reliable method of power transmission in heavy-duty cranes, ensuring smooth and efficient transfer of power from the motor to the lifting mechanism.

In heavy-duty crane operations, safety and performance are paramount. Cast chains have a proven track record of meeting the demanding needs of such applications, making them a preferred choice for lifting and handling heavy loads.

cast chain

How do cast chains perform in high-speed applications?

Cast chains may not be the most suitable choice for high-speed applications due to their material properties and design characteristics. Cast chains are typically made from carbon steel, which can have limitations in terms of strength and wear resistance at high speeds.

High-speed applications put increased stress on the chain components, such as pins, rollers, and link plates. The centrifugal forces acting on these components can lead to higher wear and fatigue, potentially reducing the chain’s service life and increasing the risk of failure.

In contrast, other types of chains, such as precision roller chains or engineered chains made from higher-grade materials like alloy steels, are better suited for high-speed applications. These chains are specifically designed to handle the demands of high speeds and can provide improved fatigue resistance, wear resistance, and overall performance.

If a high-speed application is required, it is crucial to select the appropriate chain type that matches the specific speed and load requirements. Precision roller chains or engineered chains are better options for these scenarios, as they are designed and manufactured to deliver reliable performance under high-speed conditions.

When choosing a chain for a high-speed application, it is essential to consider factors such as chain speed rating, material composition, and lubrication to ensure the chain’s longevity and reliable operation.

cast chain

What are the different types of cast chains available in the market?

There are several types of cast chains available in the market, each designed for specific industrial applications. The main types of cast chains include:

1. Cast Link Chains: Cast link chains are a common type of cast chain and consist of individual links cast from metal. They are widely used in heavy-duty applications, such as mining, lumber, and steel industries, where high strength and reliability are crucial.

2. Drag Chains: Drag chains, also known as drag link chains, are designed for use in drag conveyors. They have a series of interlocking links that can efficiently move bulk materials along a conveyor line. Drag chains are often used in industries dealing with granular materials, such as agriculture and mining.

3. Apron Chains: Apron chains, sometimes referred to as apron pan chains, are commonly used in apron conveyors. These chains have overlapping pans or plates that form a continuous conveying surface. Apron chains are suitable for transporting heavy and abrasive materials, as encountered in the cement and steel industries.

4. Bucket Elevator Chains: Bucket elevator chains are used in vertical lifting applications, such as elevators used for handling bulk materials like grains, minerals, and aggregates. These chains have specially designed attachments that carry buckets, providing a reliable and efficient lifting solution.

5. Scraper Chains: Scraper chains are widely used in scraper conveyors and scraper systems for material handling in industries like mining and wastewater treatment. They are designed to move materials along the conveyor path while scraping any residual material from the surface.

6. Trolley Chains: Trolley chains are used in overhead trolley systems to move heavy loads horizontally along a fixed path. These chains offer high load-carrying capacity and are often utilized in assembly lines and material storage areas.

7. Sprocket Chains: Sprocket chains work in conjunction with sprockets to transfer power in various machinery and equipment. They are commonly used in industrial settings where reliable power transmission is essential.

The choice of cast chain type depends on the specific application requirements, including load capacity, speed, environmental conditions, and material characteristics. Manufacturers offer a variety of cast chains with different configurations and specifications to meet the diverse needs of industrial sectors.

China Professional Stainless Steel Zinc Alloy Casting Door Security Chain  China Professional Stainless Steel Zinc Alloy Casting Door Security Chain
editor by CX 2024-04-02