Besides easy on and easy off what makes quick disconnect couplings so beneficial and helpful to so many industries? First of all, safety, no machines are needed to disconnect the tube or hose from the fitting everything can be done and controlled by hand. Having full control over the connecting and disconnecting insures no slip of a button and less man power is needed. Another safety feature is the fitting holds all pressure and does not let gas or liquid escape the hose or tube when it is disconnected. Therefore, when removing no bleeding, purging air or recharging is necessary. The disconnection can be done easily and promptly.

So where can these fittings be found and how much do they cost? The answer for both of these questions varies vastly. To find one of these products you can look near or far, as far as kilometers underwater used in drilling operations or high in orbit around earth, for docking spacecraft. Also, you are able to find them as close as walking into a garage and finding a pp fitting on the air hose attached to the air compressor. Cost can also vary considerably, all depending on the size, application and material. As you can imagine, underwater drilling will employ a larger fitting than a small air hose used in a mechanics garage. Additionally, materials may change because of corrosive materials present or extreme temperatures.

The pp fittings are used as high as space and as deep down as drilling wells these fittings are used across a plethora of industries. A few of these industries are water transport, chemical industries and pluming in addition to the examples already presented. Where have you found pp fittings useful? Limiting the examples to only a few industries does not begin to show the helpfulness and versatility of these components that can make the task at hand so much easier. Share your fitting stories with us and what application it was used for.

Distance vs. Torque
Typically the procedure for tightening a compression fitting is specified using the rotation of the nut as the key metric, rather than torque. Compression nuts are threaded, meaning that the number of rotations of the nut is directly correlated to the linear compression of the ferrule, based on the thread’s pitch. Torque, on the other hand, can vary greatly, depending on fitting and ferrule material, lubrication, degree of galling (for stainless fittings), and other factors.

Compression fitting assembly using a pre-swage tool in a vise
Tighter is Not “Better”
Often when assembling fittings, assemblers and engineers assume that “tighter is better”. This does not hold true for compression fittings. As described in the “Ferrules” section above, the optimal seal is created by a line contact between the ferrule and the tubing. Insufficient tightening of the compression nut will not deform the ferrule enough to create this contact, but over-tightening will deform the ferrule too much, creating a surface contact. A surface contact weakens the seal and often results in leaks

Pre-swaged ferrules and compression screw.
Disassembly and Re-Assembly
The ease of assembly and disassembly is one of the reasons why compression fittings are so widely used. Disassembly involves simply loosening the compression nut or screw. Re-assembly can be accomplished in a similar manner to the initial assembly, although typically fewer turns of the nut are required, since the ferrule is already swaged to the tubing. It is important to note however, that compression fittings can only be disassembled and reassembled a few times before either the ferrules and/or the fitting body should be replaced, to ensure a leak-tight seal.

Mixing and Matching Components
Even if components from two different manufacturers look similar externally, they will often differ in key internal dimensions, such as ferrule/body taper, ferrule length, and thread size and pitch. Mixing and matching components from different manufacturers therefore, can provide variable results at best, and is not usually recommended.

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Obviously, pp fitting are attached to the end of pipes that allow it to change direction, control the flow, and change the diameter of the pipe. Being a non-trivial part of plumbing and piping systems, consulting us with your need is definitely advised to save yourself time, money, materials, and headaches.

Elbows: Used to change the angle or direction of the pipe run. Most commonly in 90 degrees and 45 degree turns. The sweep of the fitting describes how fast a transition or change in direction is made.
Street Elbows: One end of the pipe fitting has male threads and the other end has female threads. These are common in galvanized steel and copper pipe. They are convenient because they do away with the need for a nipple and work well in tight quarters.
Tee Fittings: Shaped like the letter T. Allows for branch lines.
Couplings: Used to join two straight pieces of pipe of the same diameter.
Reducers: Used to join pipe of different diameters. Makes a gradual change in diameter.
Bushings: Used to make the diameter of a pipe fitting smaller. They are different from reducers because they make an abrupt change in diameter and take little space.
Unions: Used to join pieces of pipe where pipes cannot be turned or when a piece of equipment may have to be removed for maintenance or replacement.
Adaptor Fittings: Used to change the end of a non-threaded pipe to male or female threads as needed. Most commonly used in copper and plastic plumbing jobs.
Caps: Used to close the end of a dead-end pipe.
Plugs: Used to close an ending on a pipe fitting normally used for inspection or cleanout.
Nipples: Short lengths of pipe threaded at both ends.
Wyes: Used primarily to gain inside access to DWV (drain-waste-vent) systems.
Valves: Devices that control the flow of liquid or gas through or from a pipe. (Compression valves, ball valves, sleeve-cartridge valves, ceramic disc valves, etc)
PVC Fittings: Come in a wide variety of configurations and may be glued (S) or threaded (T)
Copper Tubing Fittings: Use compression fittings. Common fittings are couplings, ells, and tees

Even when choosing high quality material, there is a range of types of valves that are available. You should select the ones which best match your requirements.

Most commonly used valves are ball and gate valves. Both these valves are suitable for restricting and controlling flow. However, pvc ball valve is a better option.

Let’s learn a bit about the two valves to see how one is better than the other.

Ball valves and gate valves—form and function
While these two valve types essentially perform the same function, their structure is considerably functiondifferent from one another.

Gate valves are designed to have a flat gate closure. This closure slides in and out, or moves up and down, in order to open or shut the valve. These valves only have on and off settings. Hence, they can’t be used for flow regulation, but only for restricting it.

Owing to their structure, gate valves are more susceptible to corrosion. Over time, this may lead leaks or even stoppage. The corroded gates will fall in the line, blocking the flow.

Ball valves, instead, have a round closure element. The closure also has a hole which lines up with the flow, resulting in the opening of valve. The solid side of this ball is turned towards the flow in order o close the valve.

The ball itself helps prevent corrosion in these valves, as it has a protective chromium outer layer. This makes ball valves last longer than gate valves.

Which valve is better at sealing?
Ball valves seal considerably tighter as they have a 100% shut off mechanism. On the other hand, gate valves are prone to leaks. It is because the design includes many more channels which can potentially leak. This gives the fluid running in the line more avenues to leak out from.

Is there a price difference?
Considering that valves are not particularly expensive, there is not much difference between prices of the two valves—or other valves for that matter.

However, ball valves cost slightly more than the gate valves; this is comparable to the quality you achieve with these valves.

Even if small savings are made by opting for gate valves, they would eventually cost more as you’ll need to change them sooner. Hence, to avoid future troubles and blockage issues, ball valves are a more cost-effective option.

Conclusively, ball valves are superior to gate valves because of a number of reasons. They last longer, are more leak-proof and have a lesser rate of failure. Furthermore, ball valves are easier to use and adapt for various industrial applications.

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Engineering excellence trusted by many

Billions of connectors are used around the world, as their adaptability, longevity and high performance makes them integral components in many innovative devices serving a diverse range of industries: plumbing & heating, automotive, pubs & bars, drinks dispense, compressed air, pure water, and telecommunications.

So, whether you’re taking a shower, driving a car, making a call or enjoying a pint at your local, it’s likely you will come into contact with tried and tested Speedfit Technology.

Speedfit Technology is built into the DNA of fittings. In fact, the core technology behind a Speedfit plumbing fitting is the exact same push-fit concept used in all connections.

Fascinating Facts

Fact #1: 95% of bars use fittings in Beer Lines. Last year alone over 10 million were sold.

Fact #2: We manufacture more plastic push-fit fittings than anybody else in the world.

Fact #3: Over 1 billion automotive connectors were manufactured in the last 30 years.

Fact #4: Aston Martin, Ferrari, Mercedes, Porche, BMW and Ford are just some of the cars using JG Technology.

Fact #5: We invented the first fibre optic fitting for BT. Today they sell over 2.5 million a year.

Fact #6: The push-fit connectors are integral to many innovative devices from plumbing and heating to water purification and fuel cell systems.

Trusted by many, we are a doubt a high quality push-fit plumbing system you can rely on.

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