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What is a treaded nipple,what about its specification and its difference between coupling.

Threaded Pipe Fittings Specification
Shape: Elbow,Tee, Cross, Coupling, Cap, Swage Nipple, Bushing, Plug, Nipple, Union, Hex Nipple,Threadolet.
Size Range: 1/8″ –  4″ / DN6 – DN100
Pressure Rating: Class 2000lbs, 3000lbs, 6000lbs
Thread Type: NPT, PT, BSPP, BSPT, PF
Standard: ASME B16.11, BS3799, EN 10241, MSS SP-83, MSS SP-97

Stainless steel 90 deg threaded elbow is popular because it is easy to install or replace.ASME B16.11 forged fittings are pipe fittings according to American Standard.There are many types fot customers to choose:NPT PT BSPP BSPT PF.

The specification of ASTM A182 Forged Pipe Fittings includes forged fittings, stainless steel, rolled alloy, forged alloy, pipe flanges as well as high-temperature service. Later then forgings and hot working, it would be cooled down to a certain temperature before heat treatment.
The Alloy Steel A182 Threaded Elbow material grade contains ASTM A182 F11 / 12 / 5 / 9 / 91 / 92 / 22.

 NPT A105 bushing is mainly used to connect two pipes of different diameters in the pipeline system or to correct the error in the pipeline installation. It is usually made of A105 carbon steel, has high strength and good corrosion resistance, and can withstand high working pressure.

Threaded tee used thread connection to combine with pipes.ASME B16.11 fittings are forged fittings belong to American Standard.Tees can divided as equal tee and reducing tee.These tees have same functions,the only difference is reducing tee can reduce the flow in piping system.

The base of the threaded branch pipe stand is the same as that of the butt welded branch pipe stand, but its branch connection is screw connection, which does not require welding. The threaded branch pipe has two pressure classes, 3000 # and 6000 #.

Threaded fittings are mainly used for small pipe diameters, generally for piping whose nominal diameter is NPS 2 or smaller. Threaded joints probably represent the oldest method of joining piping systems.

The equal cross is one kind of the pipe cross,  the equal cross means all the 4 ends of the cross are in same diameter.
The reducing cross also is called unequal pipe cross , it is the pipe cross which the four branch ends are not in the same diameters.

Shapes:

Concentric: Concentric swage nipple is mainly used for vertical pipeline.

Eccentric: eccentric swage nipple is mainly used in horizontal pipelines.

The specification of ASTM A182 Forged Pipe Fittings includes forged fittings, stainless steel, rolled alloy, forged alloy, pipe flanges as well as high-temperature service. Later then forgings and hot working, it would be cooled down to a certain temperature before heat treatment.
The Alloy Steel A182 Threaded Elbow material grade contains ASTM A182 F11 / 12 / 5 / 9 / 91 / 92 / 22.

High pressure forged steel tee is used for providing branch, it can be divided into equal tee and reducing tee.High pressure tee is used for adding pipe branchs. An equal tee, otherwise called straight tee, means the branch diameter of this tee is same with the main pipe (Run pipe) diameter of this tee.

Swage nipples are often used in small diameter pipe systems, and are similar to pipes. It is used to allow plumbing to be connected to a water heater or other plumbing.

What is a threaded elbow,what about its specification and its advantages.

What is a plug,what about its specification and its difference between a caps.

High Pressure Steel Pipe Fittings contain buttwelding pipe fittings, socked weld fittings and threaded pipe fittings. Threaded Steel Coupling is a short piece with screw in NPT or BSP ends or one end, which is available in stainless steel, alloy steel and carbon steel. The size range is DN6-DN100. There are various grade of A694 Threaded Coupling, Such as A694 F42 / 46 / 52 / 56 / 65 / 70

Socket Weld half Coupling is a coupling with a socket weld only at one end, It is usually welded directly to the pipeline to form a branch connection. Coupling for joining a pipe to another of smaller diameter. Straight coupling connects two pipes end-to-end. It is used to supplement the infinite aluminum pipe.

Type: Full and Half Coupling
Shape: Straight and Reducing Coupling
Thread Type: NPT, PT, BSPP, BSPT, PF
Size Range: 1/8″ – 4″ / DN6 – DN100
Materal: Stainless Steel, Alloy Steel and Carbon Steel

Threaded Steel Coupling is a short piece with screw in NPT or BSP ends or one end, which is available in stainless steel, alloy steel and carbon steel. The size range is DN6-DN100.

Bending radius less than or equal to 1.5 times of pipe diameter belongs to elbow, and bending radius greater than 1.5 times of pipe diameter belongs to elbow

ASTM A182 F304L forged fittings are high pressure pipe fittings which can used in many industries because of the excellent functions.DN25 threaded pipe tees are small size fittings but an indispensable part in piping systems.

Steel tee is a T-shaped pipe fitting with three branch pipes. It is used to divide pipes to adjust flow and change direction.

In small diameter pipes (below DN50), reducing nipples are also often used to replace reducing joints for pipe reducing. Reducing nipples also have concentric and eccentric parts

CL3000 threaded couplings are the most used pressure of couplings,there are still CL2000 and CL6000 to choose.ASTM A105 forged pipe fittings are usually be chosen because of the affordable price and great functions.

Swage Nipple and short joint reducing joint are pipe fittings used for straight-line connection of two pipes with different sizes to realize pipe diameter reduction. There are concentric reducing joint and eccentric reducing joint

Reducing pipe (reducing nipple) is a pipe fitting used for straight-line connection of two pipes with different sizes to realize pipe diameter reduction. There are concentric reducing joints and eccentric reducing joints

Threaded coupling is used to connect two pipes with threaded connection.Forged steel pipe fittings can divided into SW (socket weld) fittings and THD (threaded) fittings.

t is similar to the blind plate in form, but the blind plate can be moved and removed, while the pipe cap cannot be removed.