- Joins 2 shouldered steel pipes
- Supplied with galvanised finish for high corrosion resistance & Hot Dip Galvanized Bolt & Nuts
- Coupling sizes range from 50 to 650 mm
- Withstands pressures up to 4 000 kPa
China JUNTONG,Focus on “making production” with spirit of craftsman like reliable,experienced,professional HangZhou CZPT Machinery Auxiliaries Co.,Ltd.is established in 2004,Casting from 1997,is a professional manufacturer specialized in the R&D,production,sale and service of ductile iron Grooved Couplings and Pipe Fittings. Located in HangZhou,we enjoy convenient transportation access and comfortable environment.
Strong and Powerful.Our company is a large enterprise group composed of 1 main factory,three branch factories which covers an area of 68000 and has an annual production capacity of more than 50000 tons.We have an experienced team,around 500 skilled staff members ,20 percent of them are engineers and technicians who are professional and hardworking.four factories
With a wide range,good quality,reasonable prices and stylish designs,our products are extensively used in drinking water,fire control,medicine,chemistry and other industries.
Top Quality.Selling well in all cities and provinces around China,our products are also exported to clients in many countries and regions.In addition,We also welcome OEM and ODM orders.We have widely recognized by customers and enjoy a good reputation across the world .The company was approved by iso9001,14001,18001.Gradually,the company has acquired most of the authoritative certifications,including CE,FM and UL.
State of the art equipment.Our company has the state-of-the-art-equipment for both production and inspection .We equipped with 8 automation molding line,2automation sand mixing line70,CNC lathe,10WINTER mold machining center ,5automatic box sealing line,7paiting lines and so on.
Reliable Quality Assurance.We conduct strict quality inspections over each batch.We have a very professional laboratory with full serious of testing and inspection as Leak testing,raw material receiving inspection,batch chemical composition inspection,Microstructure testing,Advanced spectrometer ,dimension inspection,first article inspection,in-process inspection and final visual inspection.In order to ensure high quality.
In recent years,guaranteeing stable and timely supply,credible quality and sincere service,our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.
We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success! Product Application FM/UL Approved ASTM A536 Ductile Iron Grooved Couplings and Grooved Fittings
JUNT Grooved Piping System
The JUNT grooved piping system is 1 of the most advanced, versatile, economical and reliable systems available today. After the pipe ends are grooved a gasket is stretched over the pipe ends. The coupling segments are then placed over the gasket and the bolts and nuts are fastened resulting In a secure and leak free joint.
A coupling can be installed 3-4 times faster than a comparable welded or brazed joint and there is no need fora flame or welding CZPT on the job site. A coupling can be installed by fastening a pair of bolts and nuts while using only a wrench or spanner, whereas a comparable flanged joint requires the fastening of many bolts and nuts with a pair of wrenches. The grooved system allows for easy material take-offs and unlike a threaded system, there is no need to allow for added pipe length for thread engagement. With the removal of just a few bolts 1 can easily access the system for cleaning, maintenance, changes and or system expansion.
|SPECIFICATIONS FOR GROOVED COUPLINGS AND FITTINGS|
|MATERIAL||Ductile iron QT450-12 ,Ductile Iron to ASTM A536|
|CERTIFICATE||FM UL CE CUL ISO|
|THREAD TYPE||BSPT NPT|
|SURFACE TREATMENT||PAINT, EPOXY, GALVANIZED, DACROMET|
|DELIVERY TIME||Normally within 15-30 days|
|PAYMENT TERMS||T/T, LC|
Main Features1) Ductile iron ASTM A536 GRADE 65-45-12
2) FM,UL ,CE,IOS,CUL CERTIFICATES
3) CZPT RUBBER GASKET
4) PAINT RAL-3000,ORANGE,GALVANIZED
5) 300PSI ,500PSI ,2.5MPA
Main FeaturesName: Grooved Couplings and Fittings
1) Ductile iron ASTM A536 GRADE 65-45-12
2) FM,UL ,CE,IOS,CUL CERTIFICATES
3) CZPT RUBBER GASKET
4) PAINT RAL-3000,ORANGE,GALVANIZED
5) 300PSI ,500PSI ,2.5MPA
Housing FeaturesName: Coupling Housing
Ductile Iron: Standard coupling housings and fittings are made of ductile Iron conforming to ASTM A536 Gr.65-45-12. The properties of Grade 65-45-12 ductile iron are as follows;65,000 CZPT (448 MPa) tensile strength, 45,000 CZPT (310 MPa) yield strength and 12% elongation.
Name: BULTS AND NUTS
Domestic famous materials, Oval Neck bolts and heavy hoxagon nuts at ASTM A183/ISO 898,GRADE 8.8,HOT GALVANIZED.
JUNT products utilize oval neck track bolts and heavy duty hex nuts,available either in UNC threaded or ISO metric threaded*. The oval neck track bolts mate into the oval holes in the housing segments to allow for easy tightening using only a single wrench/spannerMain Parts
Name: Rubber Gaskets
During assembly the gasket is first stretched over the pipe ends which forms the initial seal. As the housing segments are installed and secured the pressure responsive gasket is slightly compressed to form a leak-tight joint. The strength of the seal is further enhanced by internal line pressure that creates downward pressure on the lips of the gasket.
* Inquiry and consulting support.
* Sample testing support.
* View our Factory.After-Sales Service
* Training how to instal the machine, training how to use the machine.
* Engineers available to service machinery overseas.
* Attend exhibition
Packing & Delivery
|Size||110 (L) * 110 (W) * 12 (H)|
|The normal package is pallet with carton box (Size: L*W*H).If container is too tigher,we will use pe film for packing or pack it according to customers special request.|
|Size||S and L Type|
|Two Sizes Type:
1. Small One(S)
353 (L) * 353 (W) * 155 (H)
2. Large One (L)
353 (L) * 353 (W) * 310 (H)
ROLL GROOVING MACHINE
HOLE CUTTING MACHIE
PIPE CUTTING MACHINE
What are the torque and speed ratings for different sizes of flexible couplings?
The torque and speed ratings of flexible couplings can vary depending on their size, design, and material. Manufacturers typically provide specifications for each specific coupling model to ensure it is suitable for the intended application. Below are some general considerations regarding torque and speed ratings for different sizes of flexible couplings:
The torque rating of a flexible coupling is the maximum amount of torque it can reliably transmit without experiencing excessive deformation or failure. It is essential to choose a coupling with a torque rating that exceeds the torque requirements of the application to ensure proper operation and avoid premature wear. Torque ratings are typically specified in Nm (Newton-meters) or lb-ft (pound-feet).
The torque capacity of a flexible coupling can increase with its size and design. Larger couplings, which have more substantial components and a larger flexible element, often have higher torque ratings compared to smaller couplings. Additionally, couplings with a more robust design, such as metallic couplings, generally have higher torque capacities compared to elastomeric couplings.
The speed rating of a flexible coupling is the maximum rotational speed it can withstand while maintaining its structural integrity and performance. It is critical to select a coupling with a speed rating suitable for the application’s operating speed to avoid excessive wear and potential coupling failure. Speed ratings are typically specified in revolutions per minute (RPM).
Like torque ratings, the speed rating of a flexible coupling can be influenced by its size, design, and material. Larger couplings with more robust construction can often handle higher rotational speeds compared to smaller couplings. Metallic couplings, with their stiffer and more precise design, can also have higher speed ratings compared to elastomeric couplings.
Consulting Manufacturer Specifications:
To determine the torque and speed ratings for specific sizes of flexible couplings, it is essential to consult the manufacturer’s product specifications or technical datasheets. These documents provide detailed information about the coupling’s capabilities, including torque and speed ratings for each available size and model.
When selecting a flexible coupling, it is crucial to consider the torque and speed requirements of the specific application. Factors such as the power transmitted, the rotational speed of the machinery, and any transient or shock loads should be taken into account to ensure the selected coupling can handle the demands of the system.
The torque and speed ratings of flexible couplings can vary based on their size, design, and material. Manufacturers provide specific torque and speed ratings for each coupling model to ensure their suitability for different applications. Consulting manufacturer specifications and considering the application’s requirements are vital in selecting the right flexible coupling that can handle the torque and speed demands of the mechanical system.
Can flexible couplings be used in pumps, compressors, and fans?
Yes, flexible couplings can be used in pumps, compressors, and fans, and they are commonly employed in these types of rotating machinery. Flexible couplings offer several advantages that make them suitable for such applications:
- Misalignment Compensation: Pumps, compressors, and fans often experience misalignments due to various factors, such as thermal expansion, foundation settling, or component wear. Flexible couplings can accommodate angular, parallel, and axial misalignments, helping to maintain proper alignment between the driving and driven components.
- Vibration Damping: Flexible couplings help dampen vibrations in rotating machinery, which is essential for smooth operation and reduced wear on components. In pumps, compressors, and fans, vibration control is crucial to prevent premature failure and maintain reliable performance.
- Shock Load Absorption: These rotating machines may encounter shock loads during startup or shutdown, especially in reciprocating equipment like reciprocating pumps or compressors. Flexible couplings can absorb and mitigate the impact of such loads, protecting the connected equipment from damage.
- Reduced Maintenance: Flexible couplings with elastomeric elements or other self-lubricating features require minimal maintenance, leading to cost savings and reduced downtime in pumps, compressors, and fans.
- Energy Efficiency: Certain flexible coupling designs, such as beam couplings or certain elastomeric couplings, have low mass and inertia. This characteristic helps improve the energy efficiency of rotating machinery, which is particularly beneficial in large-scale pumps, compressors, and fans used in industrial applications.
- Adaptability: Pumps, compressors, and fans often have varying operating conditions and load profiles. Flexible couplings are adaptable to different operating environments, making them suitable for diverse applications.
In summary, flexible couplings offer several performance-enhancing features that make them well-suited for use in pumps, compressors, and fans. Their ability to accommodate misalignment, dampen vibrations, absorb shocks, and reduce maintenance requirements contributes to improved reliability, efficiency, and longevity of the connected rotating machinery.
What industries commonly use flexible couplings for power transmission?
Flexible couplings are widely used in various industries for power transmission and motion control applications. Their ability to accommodate misalignment, dampen vibrations, and protect equipment from shock loads makes them valuable components in many industrial processes. Here are some of the industries that commonly utilize flexible couplings:
- Manufacturing: Flexible couplings are extensively used in manufacturing industries such as automotive, aerospace, electronics, and consumer goods production. They play a critical role in transmitting power between motors and various machinery, including conveyor systems, robots, and assembly lines.
- Oil and Gas: In the oil and gas industry, flexible couplings are used in pumps, compressors, turbines, and generators. They help transfer power in offshore platforms, refineries, pipelines, and drilling operations while compensating for the dynamic nature of these applications.
- Power Generation: Power plants, both conventional and renewable, rely on flexible couplings to transmit power from turbines and generators to electrical generators. They are used in coal-fired, natural gas, nuclear, hydroelectric, and wind power plants.
- Mining: In mining operations, flexible couplings are employed in various equipment, including conveyor systems, crushers, and large industrial pumps. They are designed to withstand the heavy loads and harsh conditions commonly found in mining environments.
- Marine: Flexible couplings are essential in marine propulsion systems, connecting engines to propellers or water jets. They also find use in shipboard machinery, auxiliary systems, and offshore applications.
- Pulp and Paper: The pulp and paper industry relies on flexible couplings in machinery used for wood processing, pulp production, papermaking, and printing processes.
- Chemical and Petrochemical: In chemical plants and petrochemical refineries, flexible couplings are utilized in pumps, mixers, agitators, and other rotating equipment to ensure efficient power transmission and protect sensitive machinery.
- Construction: The construction industry employs flexible couplings in various equipment, such as concrete pumps, cranes, excavators, and drilling machines.
- Water and Wastewater: Flexible couplings are used in water treatment plants, wastewater facilities, and irrigation systems to transfer power between motors and pumps.
- Agriculture: In agricultural machinery, flexible couplings are utilized in tractors, harvesters, and irrigation systems, enabling efficient power transmission and operation.
The versatility and adaptability of flexible couplings make them indispensable components in a wide range of industries, contributing to increased equipment reliability, reduced downtime, and improved overall system performance.
editor by CX 2023-08-02