PVC Hub x Hub Reducer Coupling
|1||Flexible Downspout Pipe||65mm||5′||Black||2″x3″ and 3″x4″ Adapters||Extended Downspout Pipe|
|2||Flexible Downspout Pipe||65mm||6′||Black||2″x3″ and 3″x4″ Adapters||Extended Downspout Pipe|
|3||Flexible Downspout Pipe||65mm||7′||Black||2″x3″ and 3″x4″ Adapters||Extended Downspout Pipe|
|4||Flexible Downspout Pipe||65mm||8′||Black||2″x3″ and 3″x4″ Adapters||Extended Downspout Pipe|
|5||Flexible Downspout Pipe||75mm||5′||Black||2″x3″ and 3″x4″ Adapters||Extended Downspout Pipe|
|6||Flexible Downspout Pipe||75mm||6′||Black||2″x3″ and 3″x4″ Adapters||Extended Downspout Pipe|
|7||Flexible Downspout Pipe||75mm||7′||Black||2″x3″ and 3″x4″ Adapters||Extended Downspout Pipe|
|8||Flexible Downspout Pipe||75mm||8′||Black||2″x3″ and 3″x4″ Adapters||Extended Downspout Pipe|
|9||Flexible Downspout Pipe||100mm||5′||Black||2″x3″ and 3″x4″ Adapters||Extended Downspout Pipe|
|10||Flexible Downspout Pipe||100mm||6′||Black||2″x3″ and 3″x4″ Adapters||Extended Downspout Pipe|
|11||Flexible Downspout Pipe||100mm||7′||Black||2″x3″ and 3″x4″ Adapters||Extended Downspout Pipe|
|12||Flexible Downspout Pipe||100mm||8′||Black||2″x3″ and 3″x4″ Adapters||Extended Downspout Pipe|
|13||Flexible Downspout Pipe||65mm||5′||Black||Male and Female||Extended Downspout Pipe|
|14||Flexible Downspout Pipe||65mm||6′||Black||Male and Female||Extended Downspout Pipe|
|15||Flexible Downspout Pipe||65mm||7′||Black||Male and Female||Extended Downspout Pipe|
|16||Flexible Downspout Pipe||65mm||8′||Black||Male and Female||Extended Downspout Pipe|
|17||Flexible Downspout Pipe||75mm||5′||Black||Male and Female||Extended Downspout Pipe|
|18||Flexible Downspout Pipe||75mm||6′||Black||Male and Female||Extended Downspout Pipe|
|19||Flexible Downspout Pipe||75mm||7′||Black||Male and Female||Extended Downspout Pipe|
|20||Flexible Downspout Pipe||75mm||8′||Black||Male and Female||Extended Downspout Pipe|
|21||Flexible Downspout Pipe||100mm||5′||Black||Male and Female||Extended Downspout Pipe|
|22||Flexible Downspout Pipe||100mm||6′||Black||Male and Female||Extended Downspout Pipe|
|23||Flexible Downspout Pipe||100mm||7′||Black||Male and Female||Extended Downspout Pipe|
|24||Flexible Downspout Pipe||100mm||8′||Black||Male and Female||Extended Downspout Pipe|
|25||Flexible Downspout Pipe||65mm||5′||Black||2″x3″ Adapter and Male||Extended Downspout Pipe|
|26||Flexible Downspout Pipe||65mm||6′||Black||2″x3″ Adapter and Male||Extended Downspout Pipe|
|27||Flexible Downspout Pipe||65mm||7′||Black||2″x3″ Adapter and Male||Extended Downspout Pipe|
|28||Flexible Downspout Pipe||65mm||8′||Black||2″x3″ Adapter and Male||Extended Downspout Pipe|
|29||Flexible Downspout Pipe||75mm||5′||Black||2″x3″ Adapter and Male||Extended Downspout Pipe|
|30||Flexible Downspout Pipe||75mm||6′||Black||2″x3″ Adapter and Male||Extended Downspout Pipe|
|31||Flexible Downspout Pipe||75mm||7′||Black||2″x3″ Adapter and Male||Extended Downspout Pipe|
|32||Flexible Downspout Pipe||75mm||8′||Black||2″x3″ Adapter and Male||Extended Downspout Pipe|
|33||Flexible Downspout Pipe||100mm||5′||Black||2″x3″ Adapter and Male||Extended Downspout Pipe|
|34||Flexible Downspout Pipe||100mm||6′||Black||2″x3″ Adapter and Male||Extended Downspout Pipe|
|35||Flexible Downspout Pipe||100mm||7′||Black||2″x3″ Adapter and Male||Extended Downspout Pipe|
|36||Flexible Downspout Pipe||100mm||8′||Black||2″x3″ Adapter and Male||Extended Downspout Pipe|
|37||Flexible Downspout Pipe||65mm||5′||Black||3″x4″ Adapter and Male||Extended Downspout Pipe|
|38||Flexible Downspout Pipe||65mm||6′||Black||3″x4″ Adapter and Male||Extended Downspout Pipe|
|39||Flexible Downspout Pipe||65mm||7′||Black||3″x4″ Adapter and Male||Extended Downspout Pipe|
|40||Flexible Downspout Pipe||65mm||8′||Black||3″x4″ Adapter and Male||Extended Downspout Pipe|
|41||Flexible Downspout Pipe||75mm||5′||Black||3″x4″ Adapter and Male||Extended Downspout Pipe|
|42||Flexible Downspout Pipe||75mm||6′||Black||3″x4″ Adapter and Male||Extended Downspout Pipe|
|43||Flexible Downspout Pipe||75mm||7′||Black||3″x4″ Adapter and Male||Extended Downspout Pipe|
|44||Flexible Downspout Pipe||75mm||8′||Black||3″x4″ Adapter and Male||Extended Downspout Pipe|
|45||Flexible Downspout Pipe||100mm||5′||Black||3″x4″ Adapter and Male||Extended Downspout Pipe|
|46||Flexible Downspout Pipe||100mm||6′||Black||3″x4″ Adapter and Male||Extended Downspout Pipe|
|47||Flexible Downspout Pipe||100mm||7′||Black||3″x4″ Adapter and Male||Extended Downspout Pipe|
|48||Flexible Downspout Pipe||100mm||8′||Black||3″x4″ Adapter and Male||Extended Downspout Pipe|
> Easily and conveniently move damaging rainwater away from your foundation.
> The rigid, corrugated design easily bends and flexes aroun corners and landscaping while holding it’s shape.
> Designed to connect 2″x3″and 3″x4″, male and female, 2″x3″ and male, 3″x4″ and male
> Addtional length is needed, simply cut along the noted lines, and attach additonal male and female units together for more length.
> 35% higher load-bearing rating than standard corrugated pipe.
> Compatible with most tradional 3 inch and 4 inch corrugated pipe and 4 inch PVC.
> Arrived quickly, very thick and sturdy. Maintains the shape you stretch it and it takes a bit of muscle to pull out the accordion shape, but that’s a good thing.
> There are simple plastic downspout extension. They have 2 different sized ends, and just slip on, 2″x3″and 3″x4″, male and female, 2″x3″ and male, 3″x4″ and male fit downspout perfectly.
> They are long enough to get the downspout water out some distance from the side of the house.
> It fits and attached to every household standard opening downspout excellently. It opens up and twists to suit the terrain and circumstances.
HOW TO INSTALL A FLEXIBLE DOWNSPOUT EXTENSION
> Find the end of the downspout extension that fits on the downspout. Most flexible downspout extensions have smooth ends on either side of the accordion-pleated certer section. Hold the ends up to your downspout to see which end matches the downspout size.
> Stretch out the downspout extension until it is fully extended. Unkink and straighten before installation to avoid breaking the extension or pulling it off the downspout.
> Cut the end of the extension that will not be connecting to the downspout. Once the downspout extension is cut it is ready to connect.
> Take the side that fits around the drainpipe and slip it around the drainpipe. It should slide right on. Bend the downspout extension where it hits the grass to flow into your garden or where ever you want. It should fit snugly, without any need to clip it on further.
Q: Are you a manufacturer or a trading company?
A: ZL is a Drain Pipe manufacturer.
Q: Where is your company located?
A: We are located in HangZhou City, ZHangZhoug Province China,3 hour drive from HangZhou and 4 hours from ZheJiang .
Q: What certificate do your products have?
A: ISO / BSCI /SGS
Q:Terms and Service :
A: Trade terms: FOB, CIF, CNF
Payment terms: T/T or L/C at sight ,D/A, Western Union.Paypal,Veem,Ali Pay
Loading port: ZheJiang or HangZhou Port.
sample order can be negotiable
Q: What kind of currency can you accept?
A : At present, we only accept US Dollar and Euro,CNY
Q:What warranty do you offer for the merchandise?
A: We could issue the Quality Guarantee and the Delivery Time Warranty.
A: Our trademark is ZL HOSE, we also do OEM order.
Q: Do you ask minimum order quantity?
A: Yes, we request minimum order quantity, which varies as per different item
Q: Can I mix different items in an order?
A: Yes, you can mix different items in an order, but it is subject that you should reach minimum quantity of each item.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-25 days if the goods are not in stock, it is according to quantity.
Q: Can I ask Special Packing?
A: Yes, ZL is willing to provide special packing subject to your bearing extra packing charge.
Q: Are all items shown on website from stock?
A: Some of items on hot sales are available in stock, we will confirm if your ordered items are available once getting your order.
Q: Can I order samples?
A: Yes, you can order samples for evaluation, but it is subject to following terms:
Yes , free of charge samples are aviable for you
Q: How to arrange Shipping?
A: You can make shipping by yourself and advise us the contact information of the forwarder agent in China before production completion, or you can ask ZL to arrange shipping on behalf of yourself subject to your prepaid freight before shipping.
Q:How to cover Insurance?
A: If you want to cover insurance on shipment, you can arrange insurance by yourself or ask ZL to do this on behalf of yourself subject to your prepaid premium before shipping.
Q: What country can you arrange shipping to?
A: We can arrange shipping everywhere as per your request, we will quote you exact shipping cost once you confirm order quantity, shipping method and detailed address
Q: Why believe in us?
A: We have been qualified with following certificates:
ISO 9001:2015 CertificateNo:06521Q57163ROM ;SGS:JSASCN22382211
ZL HOSE is a member more than of 10 year Made in China platform.
What Is a Coupling?
A coupling is a device used to connect two shafts. It transmits power between them and allows for some misalignment or end movement. There are several types of couplings. The most common ones are gear couplings and planetary couplings. However, there are many others as well.
Transfer of energy
Energy coupling is a process by which two biological reactions are linked by sharing energy. The energy released during one reaction can be used to drive the second. It is a very useful mechanism that synchronizes two biological systems. All cells have two types of reactions, exergonic and endergonic, and they are connected through energy coupling.
This process is important for a number of reasons. The first is that it allows the exchange of electrons and their energy. In a single molecule, this energy transfer involves the exchange of two electrons of different energy and spin. This exchange occurs because of the overlap interaction of two MOs.
Secondly, it is possible to achieve quadratic coupling. This is a phenomenon that occurs in circular membrane resonators when the system is statically deflected. This phenomenon has been gaining a great deal of interest as a mechanism for stronger coupling. If this mechanism is employed in a physical system, energy can be transferred on a nanometer scale.
The magnetic field is another important factor that affects the exchange of energy between semiconductor QWs. A strong magnetic field controls the strength of the coupling and the energy order of the exciton. The magnetic field can also influence the direction of polariton-mediated energy transfer. This mechanism is very promising for controlling the routing of excitation in a semiconductor.
Couplings play a variety of functions, including transferring power, compensating for misalignment, and absorbing shock. These functions depend on the type of shaft being coupled. There are four basic types: angular, parallel, and symmetrical. In many cases, coupling is necessary to accommodate misalignment.
Couplings are mechanical devices that join two rotating pieces of equipment. They are used to transfer power and allow for a small degree of end-to-end misalignment. This allows them to be used in many different applications, such as the transmission from the gearbox to the differential in an automobile. In addition, couplings can be used to transfer power to spindles.
There are two main types of couplings: rigid and flexible. Rigid couplings are designed to prevent relative motion between the two shafts and are suitable for applications where precise alignment is required. However, high stresses in the case of significant misalignment can cause early failure of the coupling. Flexible couplings, on the other hand, allow for misalignment and allow for torque transmission.
A software application may exhibit different types of coupling. The first type involves the use of data. This means that one module may use data from another module for its operation. A good example of data coupling is the inheritance of an object. In a software application, one module can use another module’s data and parameters.
Another type of coupling is a rigid sleeve coupling. This type of coupling has a pipe with a bore that is finished to a specified tolerance. The pipe contains two threaded holes for transmitting torque. The sleeve is secured by a gib head key. This type of coupling may be used in applications where a couple of shafts are close together.
Other types of coupling include common and external. Common coupling occurs when two modules share global data and communication protocols. This type of coupling can lead to uncontrollable error propagation and unforeseen side effects when changes are made to the system. External coupling, on the other hand, involves two modules sharing an external device interface or communication protocol. Both types of coupling involve a shared code structure and depend on the external modules or hardware.
Mechanical couplings are essential in power transmission. They connect rotating shafts and can either be rigid or flexible, depending on the accuracy required. These couplings are used in pumps, compressors, motors, and generators to transmit power and torque. In addition to transferring power, couplings can also prevent torque overload.
Different coupling styles are ideal for different applications, and they have different characteristics that influence the coupling’s reliability during operation. These characteristics include stiffness, misalignment capability, ease of installation and maintenance, inherent balance, and speed capability. Selecting the right coupling style for a particular application is essential to minimize performance problems and maximize utility.
It is important to know the requirements for the coupling you choose before you start shopping. A proper selection process takes into account several design criteria, including torque and rpm, acoustic signals, and environmental factors. Once you’ve identified these parameters, you can select the best coupling for the job.
A gear coupling provides a mechanical connection between two rotating shafts. These couplings use gear mesh to transmit torque and power between two shafts. They’re typically used on large industrial machines, but they can also be used in smaller motion control systems. In smaller systems, a zero-backlash coupling design is ideal.
Another type of coupling is the flange coupling. These are easy to manufacture. Their design is similar to a sleeve coupling. But unlike a sleeve coupling, a flange coupling features a keyway on one side and two threaded holes on the other. These couplings are used in medium-duty industrial applications.
Besides being useful for power transmission, couplings can also prevent machine vibration. If vibration occurs in a machine, it can cause it to deviate from its predetermined position, or damage the motor. Couplings, however, help prevent this by absorbing the vibration and shock and preventing damage to expensive parts.
Couplings are heavily used in the industrial machinery and electrical industries. They provide the necessary rotation mechanism required by machinery and other equipment. Coupling suppliers can help customers find the right coupling for a specific application.
Criteria for selecting a coupling
When selecting a coupling for a specific application, there are a number of different factors to consider. These factors vary greatly, as do operating conditions, so selecting the best coupling for your system can be challenging. Some of these factors include horsepower, torque, and speed. You also need to consider the size of the shafts and the geometry of the equipment. Space restrictions and maintenance and installation requirements should also be taken into account. Other considerations can be specific to your system, such as the need for reversing.
First, determine what size coupling you need. The coupling’s size should be able to handle the torque required by the application. In addition, determine the interface connection, such as straight or tapered keyed shafts. Some couplings also feature integral flange connections.
During the specification process, be sure to specify which materials the coupling will be made of. This is important because the material will dictate most of its performance characteristics. Most couplings are made of stainless steel or aluminum, but you can also find ones made of Delrin, titanium, or other engineering-grade materials.
One of the most important factors to consider when selecting a coupling is its torque capability. If the torque rating is not adequate, the coupling can be damaged or break easily. Torque is a major factor in coupling selection, but it is often underestimated. In order to ensure maximum coupling performance, you should also take into consideration the size of the shafts and hubs.
In some cases, a coupling will need lubrication throughout its lifecycle. It may need to be lubricated every six months or even once a year. But there are couplings available that require no lubrication at all. An RBI flexible coupling by CZPT is one such example. Using a coupling of this kind can immediately cut down your total cost of ownership.
editor by CX 2023-04-17