China OEM Pn25 Universal Coupling universal coupling

Product Description

Product Description

 

Product Name

Ductile Iron Universal Coupling

Material

Ductile Iron Body (GGG50), Glavnized garbon steel bolts/ Stainless Steel Bolts, CZPT rubber ring

Registered Brand

CNBM

Nominal Diameter

DN50 – DN2000mm

Application

Drinking Water / Sewage Pipe Line, Pump Station, Water Tratement Plant.

Standard

EN545, EN598, ISO2531, AWWA

Coating

Fusion Bonded Epoxy (FBE), RAL5005, RAL 5017, R5015……

Certifications

 

Packaging & Shipping

Wooden Cases/Pallet with wrap film or according to customer’s requirements.

CNBM INTERNATIONAL CORPORATION

Build your world with our materials.

We are a primary subsidiary of China National Building Material Group Co., Ltd.

CNBM Group is a central government-owned enterprise and a Fortune Global 500 company (Ranking 203th in 2019). It is the largest building material manufacturer and service provider in the world, with 15 publicly-listed companies and over 180,000 employees (2017).

CNBM Water Section is 1 of the pioneering suppliers of pipes, fittings and systems in China.

We are leading the market by supplying:

  • Ductile iron water and sewer pipes, fittings, valves and couplings and adaptors
  • Ductile iron access covers and gratings
  • Other types of pipes and fittings

 

Why choose CNBM?

  •  Government Credit

CNBM Intl is a primary subsidiary of CZPT Group, a Chinese central governmental enterprise. We’ve been accessed by D&B as Duns Registered 4A1 level since 2012, which endorsed us as 1 of the safest suppliers to work with in China.

  • Industry Leader

As an industry leader, CZPT Intl is also a top-ranking buyer of iron ore and coking coal in the world. Our raw materials’ cost and quality are under strict control from A to Z.

  • Strong Logistics Capability

         1.       Professional Logistics team

         2.       20,000 containers + 30,000 M3bulk vessel per year = Cost-effective and Prioritized Shipments

         3.       50000 M2 Dubai Logistics Park solely-owned by CNBM

  •  VIP services

         1.       Professional Sales Team

         2.       Multi-language Sales Managers

         3.       One-to-One fast response

 

  •  One-Stop Purchase Solution

Over 800 kinds of industrial products within CZPT product range.

 

 

 

 

universal coupling

Signs of Wear or Failure in a Universal Coupling

Universal couplings are critical components in power transmission systems, and detecting signs of wear or impending failure is crucial to prevent equipment damage and ensure safe operation. Here are some common signs to look out for:

  • Abnormal Noise: Unusual noises, such as clicking, grinding, or squeaking, during equipment operation can indicate misalignment, wear, or damaged universal coupling components.
  • Vibration: Excessive vibration in the machinery may suggest misalignment or imbalance in the universal coupling or connected components.
  • Visible Wear: Inspect the universal coupling visually for signs of wear, such as deformation, cracks, or visible damage to the coupling elements or shaft connections.
  • Looseness: Check for any looseness in the universal coupling, shaft connections, or locking mechanisms. Loose components can lead to misalignment and accelerated wear.
  • Shaft Movement: If there is axial or radial movement in the shafts during operation, it may indicate worn or damaged universal coupling components.
  • Increased Operating Temperature: A rise in operating temperature beyond normal levels could be a result of friction and misalignment in the universal coupling.
  • Reduced Performance: If the equipment’s performance declines, such as reduced power transmission efficiency or speed fluctuations, it may be a sign of coupling wear or failure.
  • Grease Leakage: In grease-lubricated universal couplings, excessive grease leakage around the coupling seals can be an indication of seal damage or wear.
  • Frequent Maintenance Issues: If the machinery equipped with a universal coupling requires frequent maintenance or repairs, it may be due to coupling issues that need attention.
  • Age and Service Life: Consider the age of the universal coupling and its service life. Over time, couplings experience wear and fatigue, and older couplings may require closer inspection.

If any of these signs are observed, it is essential to take immediate action. Discontinue equipment operation, inspect the universal coupling thoroughly, and consult a qualified professional to determine the cause and plan necessary repairs or replacement. Regular maintenance and inspection can help detect potential issues early, ensuring the safe and efficient operation of the mechanical system.

universal coupling

How do you calculate the required size and specifications for a half coupling?

Calculating the required size and specifications for a half coupling involves considering several factors to ensure a proper fit and secure connection. Here are the steps to calculate the required size and specifications:

1. Pipe Size: Determine the size of the pipe that the half coupling will connect to. Pipe sizes are typically specified in inches, and the half coupling size should match the pipe size.

2. Pipe Material: Identify the material of the pipe, such as stainless steel, PVC, carbon steel, brass, copper, etc. The half coupling material should be compatible with the pipe material to prevent corrosion and ensure a reliable connection.

3. Pressure Rating: Determine the maximum operating pressure of the system. The half coupling should have a pressure rating that meets or exceeds the system’s operating pressure to ensure safety and performance.

4. Temperature Rating: Consider the maximum and minimum operating temperatures of the system. The half coupling material and design should be suitable for the temperature range to prevent deformation or failure.

5. Alignment and Misalignment: Evaluate the alignment and potential misalignment between the pipes. Some half couplings are designed to accommodate angular, parallel, or axial misalignment, providing flexibility in installation.

6. End Connection: Determine the type of end connection required for the half coupling, such as threaded, weld-on, or flanged. The end connection should match the corresponding connection on the pipe.

7. Corrosion Resistance: Consider the environment in which the half coupling will be installed. For corrosive environments, select a half coupling material with suitable corrosion resistance.

8. Industry Standards: Ensure that the selected half coupling complies with relevant industry standards and certifications for quality and safety.

9. Manufacturer Guidelines: Follow the manufacturer’s guidelines and recommendations for selecting the appropriate half coupling size and specifications based on the application requirements.

It is essential to consult with coupling manufacturers, suppliers, or industry experts if you are unsure about the correct size and specifications for the half coupling. Proper sizing and selection will ensure a reliable and efficient connection in the piping system.

universal coupling

How does a Universal Coupling Work to Transmit Torque and Rotation?

A universal coupling, also known as a universal joint or U-joint, is a mechanical device used to transmit torque and rotation between two shafts that are not in a straight line and have angular misalignment. It allows for flexible coupling between the shafts, enabling power transmission even when they are at different angles to each other.

The basic design of a single universal joint consists of two yokes, each attached to the end of the shafts to be connected. The yokes are connected by a cross-shaped intermediate component, often referred to as the spider or cross. The spider has four arms, each fitting into a yoke, creating a flexible joint.

When one shaft rotates, the spider transmits the motion to the other yoke and, consequently, to the second shaft. This mechanism allows the universal coupling to handle angular misalignment between the shafts. The universal joint can accommodate small angles of misalignment, making it ideal for applications where the shafts are not perfectly aligned.

The double universal joint, also known as the double Cardan joint, consists of two single universal joints connected end-to-end with an intermediate shaft in between. This design reduces the angular variation between the input and output shafts, providing a smoother rotation and reducing vibration in certain applications.

The constant velocity joint (CV joint) is a specialized type of universal joint that maintains a constant velocity ratio between the input and output shafts. It is commonly used in automotive drive shafts to provide smooth power transmission, especially in front-wheel-drive vehicles, where the drive shafts must adjust to changing angles as the wheels turn.

Overall, universal couplings are essential components in various mechanical systems, especially in vehicles, industrial machinery, and power transmission applications. They allow for flexible power transmission while compensating for misalignment, making them a versatile and widely used coupling solution.

China OEM Pn25 Universal Coupling  universal couplingChina OEM Pn25 Universal Coupling  universal coupling
editor by CX 2023-08-11

universal coupling

As one of leading universal coupling manufacturers, suppliers and exporters of products, We offer universal coupling and many other products.

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