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Pipe Coupling

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About The Product

A pipe coupling is a very short piece of pipe with a socket weld or thread on one or both ends that allows you to connect two pipes of the same or different sizes. Pipe couplings are fittings that help extend or terminate pipes. A coupling connects her two sections of pipe and extends the route.
When used to connect pipes of different sizes, these are called reduction couplings.
Couplings are also known as repair couplings. These couplings are without stops or ridges, and they can be fixed anywhere along the pipe length to prevent leaks of any kind.


The pipe couplings offered on our website come with precise specifications to meet your requirements. Crafted from high-quality stainless steel, they boast a cylindrical shape suitable for hydraulic pipe applications. Available in various material grades, including ASME SB363 Gr1,Gr2, Gr5, Gr7, G9, Gr12, and Gr23, these couplers ensure durability and efficiency. They feature socket weld and screwed types, compatible with NPT, BSP, and BSPT threads. Offering dimensional accuracy, corrosion resistance, an excellent finish, and high efficiency, these fittings guarantee reliable performance. With options spanning stainless steel, duplex steel, aluminum,titanium, carbon steel, low-temperature carbon steel, alloy steel, and copper alloy, you’ll find the perfect fit for your needs. Whether you require standard ASTM/ASME A/SA 182 fittings or specialized materials like ASTM B247, B361, or ASTM B381, our pipe couplings deliver top-notch quality across the board.

Grades in Pipe Coupling

⇒ ASTM A403 WP Gr. 304

⇒ASTM A403 WP Gr 304H

⇒ASTM A403 WP Gr 309

⇒ASTM A403 WP Gr 310

⇒ASTM A403 WP Gr 316

⇒ASTM A403 WP Gr 316L

⇒ASTM A403 WP Gr 317L

⇒ASTM A403 WP Gr 321

⇒ASTM A403 WP Gr 347

⇒ASTM A403 WP Gr 904L



⇒ASTM A 234 WPHY 42

⇒ASTM A 234 WPHY 46

⇒ASTM A 234 WPHY 52

⇒ASTM A 234 WPH 60

⇒ASTM A 234 WPHY 65

⇒ASTM A 234 WPHY 70



⇒ASTM / ASME A/SA 234 Gr. WP 1

⇒ASTM / ASME A/SA 234 Gr. WP 5

⇒ASTM / ASME A/SA 234 Gr. WP 9

⇒ASTM / ASME A/SA 234 Gr. WP 11

⇒ASTM / ASME A/SA 234 Gr. WP 12

⇒ASTM / ASME A/SA 234 Gr. WP 22

⇒ASTM / ASME A/SA 234 Gr. WP 91

⇒ASTM A 815

⇒ASME SA 815 UNS NO S31803

⇒ASME SA 815 UNS NO S32205

⇒Werkstoff No. 1.4462

⇒ASTM / ASME SB 336 UNS 2200 ( NICKEL 200 )

⇒ASTM / ASME SB 336 UNS 2201 (NICKEL 201 )

⇒ASTM / ASME SB 336 UNS 4400 (MONEL 400 )

⇒ASTM / ASME SB 336 UNS 8020 ( ALLOY 20 / 20 CB 3

⇒ASTM / ASME SB 336 UNS 8825 INCONEL (825)

⇒ASTM / ASME SB 336 UNS 6600 (INCONEL 600 )

⇒ASTM / ASME SB 336 UNS 6601 ( INCONEL 601 )

⇒ASTM / ASME SB 336 UNS 6625 (INCONEL 625)

⇒ASTM / ASME SB 336 UNS 10276 ( HASTELLOY C 276 )

Application Types

Pipe couplings can be used for a variety of purposes.:
● Socket Weld Coupling
● Threaded Coupling
● One End Socket Weld, Another End Threaded
For each application type, there are different variations available:
1. Full Coupling: Used to join two pipes or a pipe to a nipple. (Threaded full coupling has the same shape but with threaded ends.)
2. Half Coupling: One end is joined, while the other end is welded directly to the run pipe.
3. Reducing Coupling: Used to join pipes of different diameters.
4. Compression coupling: connects two aligned pipes. It involves a slottedtapered sleeve placed over the junction, with two flanges drawn over thesleeve to center the pipes and provide sufficient pressure automatically.
These different types of couplings meet various needs in piping
systems,ensuring flexibility and compatibility across different applications.

Use of the product

Pipe couplings are used to easily connect two pipes. Wherever pipe networks can be found, pipe couplings are used. In water and wastewater pipe systems, pipe couplings are used to connect two or more pipe sections for the purpose of maintaining continuity between the pipe sections. It can be used to connect pipes of different sizes or the same size, but it can also connect two or more pipes. One of the main uses of pipe fittings is to connect different types of pipe materials. Complex piping systems can use a variety of materials, such as metal, plastic, and rubber. To ensure the integrity and coordination of piping systems, plumbing fittings can combine these different materials into a seamless whole through a variety of designs.

In addition to considering the material, it’s essential to understand the various designs available for couplings. Different designs offer unique advantages and are suited to specific operational requirements. 

Here are some common designs of couplings:

  • Grid type
  • Gear type
  • Disc type
  • Rubber/Elastomer element type
  • Fluid Couplings

Areas of application for couplings

Couplings serve as vital components in industrial machinery, seamlessly connecting moving parts to facilitate precise motion and power transmission. Widely used in machine tools, assembly lines, robotic systems, and automated plants, they ensure efficient operation in various sectors, including manufacturing, printing, packaging, and woodworking. From enabling precise control in CNC machining to facilitating smooth material handling in manipulators, couplings play a pivotal role in enhancing productivity and performance across diverse applications
There are primarily two types of couplings used in piping systems: carbon steel couplings and stainless steel couplings.
Carbon Steel Pipe Coupling:
● Material Standard: ASTM A105
● Manufacturing Standard: ASME B16.11
● Additional Options: Casing and tubing coupling materials are alsoavailable in carbon steel, such as API 5CT J55/K55, N80, and P110.
Stainless Steel Pipe Coupling:
● Material Standard: ASTM A182
● Grades Available: F304/L or 316/L

Material Used

When selecting pipe couplings for your needs, it’s crucial to take into account the material from which they are crafted. Different materials offer varying degrees of durability, resistance to corrosion, and suitability for specific applications. Here are some common materials used in the construction of pipe couplings:

  • Brass
  • Aluminum
  • Cast Iron
  • Stainless Steel
  • Copper
  • Bronze

The material spectrum for these fittings extends beyond stainless steel to include duplex steel, aluminum, titanium, carbon steel, low-temperature carbon steel, alloy steel, and copper alloys, each adhering to specific ASTM or ASME standards and grades tailored to diverse industrial requirements. For carbon steel pipe coupling, the material standard is ASTM A105, and the manufacturing standard is ASME B16. (There are also casing and tubing coupling materials in carbon steel, referred to as J55/K55, N80, P110, etc.). . Pipe couplings manufactured to these standards offer a comprehensive solution for diverse piping needs, ensuring reliability, performance, and compatibility across various industries.

Manufacturing Standards

Pipe couplings manufactured according to industry standards typically exhibit a cylindrical shape and are predominantly crafted from stainless steel, particularly ASME SB363 Grade materials such as Gr1, Gr2, Gr5, Gr7, G9, Gr12, and Gr23. These couplings are designed specifically for usage in hydraulic pipe systems, offering exceptional dimensional accuracy, corrosion resistance, and durability. They come in various forms, including socket weld and screwed types such as NPT, BSP, and BSPT. These fittings range from 15 NB to 100 NB in 2000 lb, 3000 lb, 6000 lb, and 9000 lb configurations, with options available to meet NACE MR 01-75 standards. Additionally, they encompass different forms like elbows, tees, unions, couplings, caps, nipples, bushes, plugs, and hydraulic fittings. 

pipe coupling


Our range of Pipe Coupling is a short length of tube or pipe along-with a socket at both or one ends that permit the two tubes or pipes to be joined, soldered or brazed together. The fitting is a short length of pipe with two females national pipe threads and comes as plain socket and one threaded socket. It’s only when the two definite ends use the same connection method but is of a varied size. We offer the coupling fitting in perfect dimensional accuracy and in customized design in order to meet the diverse requirement and specifications of clients.Pipe Coupling






Stainless Steel


Hydraulic Pipe

Material Grade

ASME SB363 Gr1,Gr2,Gr5,Gr7,G9,Gr12,Gr23

Fitting Type

  • Type: Socket weld (s/w) & screwed (scrd) – npt, bsp, bspt
  • Range: Forged fittings 15 nb to 100 nb in 2000 lbs, 3000 lbs, 6000 lbs, 9000 lbs available with nace mr 01-75.
  • Form: Elbow, tee, union, coupling, cap, nipple, bush, plug, hydraulic fittings
  • Features :Dimensional accuracy, Corrosion resistance, Excellent finish, High efficiency, Durable
  • Stainless Steel Socket Weld Fittings :Standard : ASTM / ASME A/SA 182
  • Grade :F 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L
  • Duplex Steel Socket Weld Fittings :Standard :ASTM / ASME A/SA 182
  • Grade : F 44, F 45, F51, F 53, F 55, F 60, F61
  • Aluminium Socket Weld Fittings :Standard :ASTM B247, B361.
  • Grade : 2024, 6061, 6063, 6101, 7075
  • Titanium Socket Weld Fittings :Standard :ASTM B381.
  • Grade : Grade 1, Grade 2, Grade 4, Grade 5, Grade 6, Grade 7, Grade 9, Grade 19, Grade 23
  • Carbon Steel Socket Weld Fittings :Standard : ASTM A 105/A694/ A350 LF3/A350 LF2.
  • Grade : F42/46/52/56/60/65/70
  • Low Temperature Carbon Steel Socket Weld Fittings :Standard : ASTM A 350 LF2 / A350 LF3
  • Alloy Steel Socket Weld Fittings :Standard :ASTM A182
  • Grade : F1/F5/F9/F11/F22/F91
  • Copper Alloy Socket Weld Fittings :Standard :ASTM / ASME SB 61 / 62 / 151 / 152.
  • Grade : UNS NO. C 70600 (CU -NI- 90/10), C 71500 (CU -NI- 70/30) C 71640

Why platinex for the product

Platinex stands as the premier choice for stainless steel pipe couplings, including equal tee and reducing tee variants, meeting stringent industry standards such as ASME/ANSI B16.9, ANSI B16.28, and MSS-SP-43. Crafted from high-quality stainless steel, our couplings boast exceptional durability and corrosion resistance, ensuring reliable performance across various industrial applications. Featuring precise dimensional accuracy and customizable designs, our pipe couplings guarantee seamless integration and superior functionality in diverse piping systems. As a leading manufacturer and exporter based in India, we take pride in delivering top-tier solutions that surpass industry expectations, solidifying our commitment to excellence and client satisfaction.