A nipple with continuous uninterrupted threading is known as a close nipple

Miter bends are not standard pipe fittings they are fabricated from pipes. Usually, they are preferred for size 10” & above because large size elbow is expensive.

A reducer reduces the pipe size from a larger to a smaller bore . Alternatively, reducer may refer to any fitting which causes a change in pipe diameter. This change may be intended to meet hydraulic flow requirements of the system or adapt to existing piping of a different size. The length of the reduction is usually equal to the average of the larger and smaller pipe diameters.

It should be noted that this safety factor is contingent on error-free assembly and correct routing of the pipeline system. Information about ttings often includes the nominal pressure, designated PN. The nominal pressure, PN, is merely an index that serves as an identi er or designator for a part or system. When the assembly instructions are followed, repeat ttings can be carried out safely and reliably.

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Oil the thread of the union nut, the cutting ring and the screw sleeve thread. In these threaded connections, the cutting ring has been pre-assembled by the manufacturer. The sealing cone is fitted with an O-ring and is shaped so as to fit precisely inside the mating part of the threaded connector. Although flare connections are labor-intensive, they are durable and reliable. Considered more secure against leaks and sudden failure, they are used in hydraulic brake systems, and in other high-pressure, high-reliability applications. Properly welded joints are considered reliable and durable.

The cones of the assembly studs are subject to normal wear and must be checked at regular intervals with taper gauges. Each screw sleeve must be used only once for finishing assembly on the pipe; using the same sleeve again may impair its function. This instruction describes the pre-assembly of a cutting ring on the pipe in a pipe screw sleeve or assembly stud. The surfaces of steel fitting bodies, union nuts and cutting rings are protected from corrosion as standard with a CrVI-free zinc-nickel coating conforming to DIN EN 15205.

If the 3 sides of T-fitting are similar in size then it is called as Equal tee otherwise it is called as Unequal tee. The advantages of this method are durability, speed, neatness, and safety. Some crimped fittings are designed to be used with copper tubing, without requiring flux or filler metal. Although crimped fittings are suitable for drinking-water pipes and other hot-and-cold systems , they are substantially more expensive than sweated fittings. Where many connections must be made in a short period of time , soldering is quicker and less expensive joinery than compression or flare fittings.

Install the valve following the established solvent procedure. A suitable support should be placed under the valve body to hold the weight of the valve. Be sure to adhere to proper curing times, and wipe off any excess cement that might have accumulated at the joint bead. The pressure losses and ow resistance in a line system are dependent on the internal diameter of the pipe, the ow velocity and the properties of the hydraulic oil .

We know that the likes of water pipe, fittings, water meters, hose etc. are not the most glamorous products in the world, but this doesn’t make a difference to us when it comes to customer service. Whether you’re looking for a simple adaptor or specifying a whole pipework system, you’ll get all of our expertise and professional courtesy. Before installation, make sure the valve is in the “open” position and all cemented surfaces are clean and dry.

If both ends are the same gender, it is a gender-changing reducer. Insulating pipes is important when you’re working with refrigeration and heating systems. We stock Class O, plumbing pipe and lagging to help with insulation in all scenarios. In Eccentric reducer, the center of both ends is on different axis as shown in the image. When one of the outside surfaces of the pipeline is to be maintained the same, eccentric reducers are required. It is a type of Tee that has the branch at a 45° angle, or an angle other than 90°.