Ductile Iron Universal Coupling for vavles, pipes
Notice:We are a factory with 16 years of experience, we believe that we have absolute advantages in price and quality.
|1. For STEEL,DI,UPVC,CI,and AC pipes or almost any other rigid pipe material.
|2. In the form of wide range (Up to 23mm) couplings,are designed to join pipes of various outside diameters with the same or different nominal bore.
|3. PN16 operating pressure.
|4. The ability of universal coupling to join dissimilar pipe materials is a bonus feature in both repair or permanent situations.
|Standards & Specifications
|BSEN1563 / EN-GJS(QT)-450-10
|EN14525 / BS8561
|PN10 / PN16
|Size & Material
|CARBON STEEL / DUCTILE IRON
|DUCTILE IRON GGG-40
|EPDM / NBR / SBR
|Bolts & Nuts
|UNIVERSAL COUPLING drawings & Dimensions
|Related product show
|ZheJiang zHangZhoui Valve Industry Co.,Ltd is an integrity valve manufacturer, which has its own foundry, matching shop, and assembly line. Our company has passed ISO9001,Wras and CE Certification.
Our main products are gate valve, butterfly valve, check valve and control valve, we have been exported to Japan, Singapore, France, USA, Australia and so on, our valves satisfies to the international standard like GB, ANSI/API, DIN as well as client’s special specifications. The valves have met with warm reception based on excellent quality, competitive price, good shipment and timely delivery time all over the world.
1.Can I have a sample order for valve?
A: Definitely Yes.We welcome sample order to test and check quality. Mixed samples are acceptable.
2. Can you OEM or ODM?
A:Yes, we have a great research & development team. The products can be made according to your request.Please send us high resolutionimages,your logo and other materials needed . We will send you finished files for confirmation.
3. Can you provide the relevant documentation and certificate?
A:Yes, we can provide you with the documentation and certificate you need ,IS09001:2000 international quality system certification,(CE)certification of the European Community, Det Norske Veritas (DNV) factory certification, Lloyd’s Register (LR) factory certification, China Classification Society (CCS) quality system certification and the FM and UL certification of the US, Bureau Veritas(BV) ,American Bureau of Shipping(ABS) etc.Of course we can also provide you the test Report; Certificate of Material Analysis; Certificate of Origin; and other export documents which required.
4.How to proceed an order for valve?
A: Step1 let me know your requirements or application. Step 2 We quote according to your requirements or our suggestions. Step 3 Customer confirms the samples and places deposit for formal order. Step 4 We arrange the prodution.
5.What is your terms of delivery?
A: We accepte EXW,FOB,CIF,etc. You can choose the 1 which is the most convenient for you.
6.What’s the package and how do you ship the goods?
A: Usually is wood pallet as your requst. We usually ship by sea.Airline shipping is also optional.
7. How to deal with after sales?
A: warranty time : 24 months from the shipment ; and we will be responsible for all the quality problems. Quality control : High quality mold./Raw materials control/Production process quality control/Final inspection/Water testing (no leaking).
8. What is the average lead time?
A:For samples, the delivery time is about 2-5 days. For mass production, the lead time is about 15-50 days after receiving the deposit payment. we can provide production schedule and related photos every 2 weeks. The lead times become effective when (1) we have received your deposit, and (2) we have your final approval for your products.If our lead times do not work with your deadline, please go over your requirements with your sale. In all cases we will try to accommodate our production plan to your needs.
9. Why choose us?
A:We are a verified supplier and creditable company on Made-in-China, Genuine produces with excellent quality and competitive price, we are focusing on the long term relationship with customers, Genuine produces with excellent quality and competitive price. After-Services will be highly-satisfing.
Can a Universal Coupling Be Used to Connect Shafts of Different Sizes or Types?
Yes, one of the key advantages of a universal coupling is its ability to connect shafts of different sizes or types. Universal couplings are designed to accommodate misalignment between shafts, including angular, parallel, and axial misalignment.
The design of the universal coupling allows it to transmit torque and rotation between two shafts that are not perfectly aligned. This feature is particularly beneficial in situations where precise alignment is challenging or not possible due to equipment design, manufacturing tolerances, or operating conditions.
The universal coupling consists of two jointed forks, each connected to one of the shafts. The forks are connected by a cross-shaped component called the spider or cross assembly. The spider allows for the transfer of torque while allowing the shafts to move independently of each other to a certain degree.
The ability to accommodate misalignment makes universal couplings suitable for various applications, including automotive steering systems, industrial machinery, pumps, and marine equipment. Whether the shafts have different sizes or types, the universal coupling provides a flexible connection that helps minimize stress on the shafts and other connected components.
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.
What are the Different Types of Universal Couplings Available in the Market?
Universal couplings, also known as universal joints or U-joints, come in various designs to meet the specific needs of different applications. The main types of universal couplings available in the market include:
- Single Universal Joint: This is the most common type of universal coupling and consists of two yokes connected by a cross-shaped intermediate component. It allows for angular misalignment between the two shafts.
- Double Universal Joint: Also known as a double Cardan joint, this type of coupling uses two single universal joints connected end-to-end with an intermediate shaft in between. It is used to minimize the angular variation between the input and output shafts, reducing vibration in certain applications.
- Constant Velocity Joint (CV Joint): A 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 even at varying angles.
- Disc Coupling: A disc coupling, also known as a diaphragm coupling, is a type of universal coupling that uses a series of flexible metal discs to transmit torque between the shafts. It provides high torsional stiffness and can accommodate misalignment in multiple directions.
- Flex Joint Coupling: The flex joint coupling is designed to handle large angular misalignments and axial movements. It is commonly used in applications with significant shaft misalignment and torsional flexibility requirements.
The choice of universal coupling type depends on factors such as the required range of motion, misalignment angles, torque capacity, and application-specific requirements. Engineers and designers select the appropriate coupling type based on the specific needs of the mechanical system to ensure reliable and efficient power transmission while accommodating shaft misalignment and angular variation.
editor by CX 2023-10-02