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DIN2999/NPT/BSPT/GOST THREAD COUPLING

螺纹接头是用于将两个螺纹管道或配件牢固连接在一起的必备配件。这些接头设计简单而有效,可提供可靠且防漏的接头,使其成为各种管道和工业应用的理想选择。



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  • 安全连接:

    螺纹接头用于在两个螺纹管道或配件之间建立牢固而紧密的连接。它们的两端都有内螺纹,可以拧到管道或配件的外螺纹上。一旦拧紧,接头就会形成一个坚固的接头,可防止泄漏并确保流体或气体不间断地流动。

  •  多种应用:

    螺纹接头广泛应用于各种行业,包括管道、暖通空调 (HVAC)、灌溉和工业管道系统。它们用于连接住宅、商业和工业环境中的管道、阀门和固定装置,为连接螺纹部件提供了一种方便而有效的解决方案。

  • 材料选择:

    螺纹接头有多种材质可供选择,以适应不同的操作条件和介质。常用材料包括黄铜、不锈钢、碳钢和 PVC(聚氯乙烯)。材料的选择取决于耐腐蚀性、压力等级、温度以及与所输送流体的兼容性等因素。

  •  安装简便:

    螺纹接头的主要优势之一是易于安装。使用扳手或管钳等基本工具,即可快速轻松地将它们拧到螺纹管道或配件上。这种安装简便性可降低人工成本和停机时间,使螺纹接头成为管道维修、维护和安装的首选。

  • 防漏密封:

    螺纹接头旨在在连接的组件之间形成防漏密封。接头上的螺纹与管道或配件上的螺纹啮合,形成紧密牢固的连接,防止流体或气体逸出。正确安装和拧紧接头可确保可靠的密封,可承受压力并长期保持完整性。

  • 兼容性:

    螺纹接头有多种尺寸和螺纹标准,以确保与不同的管道直径和螺纹类型兼容。常见的螺纹标准包括 NPT(国家管道螺纹)、BSP(英国标准管道)和公制螺纹。选择与所连接的管道或配件的螺纹尺寸和类型相匹配的接头至关重要,以确保适当的配合和密封。

 

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结论
 

 

螺纹接头是管道和工业管道系统中不可或缺的配件,为螺纹组件的安全连接提供了一种简单而有效的解决方案。其连接牢固、用途广泛、安装方便、密封防漏、材料选择多、兼容性强,使其成为需要可靠管道连接的各种应用中的必备组件。使用螺纹接头,专业人士和 DIY 爱好者可以实现高效耐用的管道安装,确保管道系统平稳无故障运行。

 

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Coupling Thread Types

 

In the world of piping and plumbing, coupling threads play an essential role in ensuring seamless connections between pipes. Different types of coupling threads are designed for specific applications, and comprehending these types can greatly enhance the functionality and performance of any piping system. One common variant is the 3-inch threaded coupling, which is widely used across various industries.

 

What are Coupling Threads?

 

Coupling threads refer to the helical grooves formed on the exterior of a coupling, which allow two pipes to be securely joined. The design and specifications of these threads can vary significantly based on the materials involved and the intended purpose of the connection. Understanding these variations is vital for selecting the right type of coupling for your project.

 

Types of Coupling Threads

 

There are several primary types of coupling threads, including NPT (National Pipe Thread), BSP (British Standard Pipe), and metric threads. Each type has distinct characteristics that make them suitable for different environments.

1. NPT Threads: National Pipe Tapered threads are commonly used in the United States. They have a taper that ensures a tightly sealed connection as the threads engage with one another. The 3-inch threaded coupling is often available in this thread type, which is ideal for applications requiring a strong gas or liquid seal.

2. BSP Threads: British Standard Pipe threads are widely used in the UK and other countries. These threads are designed with a different taper and are often found in water and gas lines. Like NPT, 3-inch BSP threaded couplings are also available, catering to various industry requirements.

3. Metric Threads: These threads are defined by their diameter in millimeters and are commonly used outside of North America. Thread specifications can vary, making it imperative to ensure compatibility when working with international piping systems.

 

Threaded Coupling Dimensions

 
Diameter Thread Type/Standard Material Length Applications
1/4" (1/4-20) UNC/UNF Stainless Steel 1–4" Small machinery, electronics
3/8" (3/8-24) NPT, BSP Carbon Steel 2–6" Plumbing, automotive
1/2" NPT, BSPT Brass, ABS 2–8" Water lines, gas systems
3/4" NPT, BSPP Hot-Dip Galvanized 3–12" Industrial piping, HVAC
1 1/2" NPT, BSPT ABS, PVC 4–16" Drainage, chemical systems
2" ANSI B1.20.1 Carbon Steel 6–24" Heavy-duty construction, oil/gas
2 1/2" NPT Stainless Steel 8–24" Marine, high-pressure pipelines
4" BSPP Hot-Dip Galvanized 12–36" Sewage, large-scale infrastructure
6" ANSI B16.11 Carbon Steel 24–48" Petrochemical plants
Metric Sizes        
10mm M10×1.5 Aluminum 20–80mm Precision equipment
20mm M20×2.5 Stainless Steel 50–200mm Machinery, robotics
32mm BSPP Brass 100–300mm Hydraulic systems
40mm Solvent Weld PVC 150–400mm Irrigation, wastewater
50mm BSPT Hot-Dip Galvanized 200–500mm Structural frameworks

 

Key Features & Variations


All-Thread Couplings: Available for 1/4", 3/8", 5/8", and 3/4" rods (lengths customizable).
Solvent Weld Options: 40mm PVC couplings for leak-proof chemical resistance.
Hot-Dip Galvanized: ASTM A153-certified for corrosion-prone environments.
ABS/PVC Couplings: Lightweight, non-conductive solutions for electrical and plumbing systems.

 

Why Choose Yulong Threaded Couplings?


Precision Threading: CNC-machined threads ensure perfect alignment and sealing.
Bulk Pricing: Discounts on orders over 100 units.
Custom Sizes: Tailor-made couplings for unique industrial needs (e.g., 1.5", 8", M20).
Fast Global Shipping: Ready stock for 90% of listed sizes.
Explore our full range or [contact Yulong] for technical support!

 

Coupling Thread FAQs

 

Q1: What is a thread coupling, and what applications is it suitable for?


A1: A thread coupling is a mechanical component designed to connect two threaded components securely. It ensures a robust and reliable connection in various applications such as plumbing, piping systems, hydraulic systems, and in mechanical assemblies. Due to its versatility, it is commonly used in construction, manufacturing, and automotive industries. By providing a strong coupling solution it minimizes leakage or disconnection risks, making it ideal for both residential and industrial projects.

 

Q2: How do I know if this thread coupling is compatible with my existing equipment?


A2: To determine compatibility, you need to check the specifications of your existing equipment, including the thread size and type—such as NPT, BSPT, or metric threads. Our thread coupling is available in various sizes to ensure that you can find the right fit for your application. If you're still unsure, please consult the product datasheet or reach out to our customer service team for professional assistance in finding the perfect match for your needs.

 

Q3: What materials are used in your thread couplings, and are they durable?


A3: Our thread couplings are made from high-quality materials, including stainless steel, brass, and durable plastics, depending on the specific version you choose. Stainless steel and brass options offer exceptional corrosion resistance and superior strength, making them suitable for demanding environments. You can trust our thread couplings to provide a long-lasting and reliable connection, even under high-pressure conditions.

 

Q4: Are these thread couplings easy to install, or do I need professional help?


A4: Our thread couplings are designed for straightforward installation, allowing for quick connections without the need for specialized tools. With a simple thread connection, you can easily install them by hand or with standard tools, depending on the application. However, if you are unsure or are working on a complex system, we recommend consulting with a professional to ensure optimal performance and safety.

 

Q5: Do you offer warranties or guarantees on your thread couplings?


A5: Yes, we stand behind the quality of our thread couplings and offer a warranty that covers any manufacturing defects. If you experience any issues within the warranty period, we will gladly assist you with a replacement or refund. Customer satisfaction is our priority, and we are committed to ensuring you have a positive experience with our products. Feel confident in your purchase, knowing we support our customers long after the sale.

 

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