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TONTR Single Grooved Rigid Steel Pipe Coupling

Two pieces of coupling housing, two bolts and nuts, a sealing rubber ring
  • S11-88.9

  • Tontr

  • S11-88.9

  • Steel pipe coupling

  • Groove connection

  • 1"~24"

  • Qingdao, China

  • 1.6MPa, 2.5MPa, 4MPa, 10MPa

  • 60000 tons/year

  • Regular is red/customizable

  • EPDM


TONTR Single Grooved Rigid Steel Pipe Coupling

Available sizes:

2 – 12 inch

Working pressure:





Red painted / galvanized / epoxy blue / grey

Gasket :


Grooved Rigid Coupling provides a rigid joint by firmly gripping along the full circumference of the pipe grooves.

Grooved Rigid Couplings are a proven dependable method of joining pipe and are an economical alternative to welding, threading, or using flanges.

It is capable of pressures up to 34.5 Bar (500 psi) depending on pipe size and wall thickness.


Company profile

Our company is a national high-tech enterprise specializing in the design,development,manufacturing and sales of high pressure pipeline system.The company has passed the international management system certification.

The company's products will be introduced below. The company is mainly engaged in plumbing systems. Often used in coal mine face, oil, Marine ships and so on. Pipe system includes components: special process corrosion resistant steel pipe, steel pipe coupling, gate valve, pipe fittings (positive tee, elbow, diverter, accumulator, diverter, etc.).

The annual production of the company is about 15,000 tons. Products are widely used in petrochemical, shipbuilding, coal pipeline, municipal construction and other industries. Our company has obtained the national industrial production license, and can provide design solutions and customized pipeline systems according to different requirements of customers and the use of environment. Our company always put product quality in the first place, product quality zero defect is our company goal.



Corporate advantage


1.The company has its own physical factory.

2.After the raw materials to the factory, the remaining processes are executed in the factory, which can monitor the product quality in real time.

3.Professional technicians. Technicians engaged in the pipeline industry for more than 20 years, has a wealth of research and development design experience.

4.Dedicated customer service staff. Has a dedicated customer service team, responsible for the product pre-sale, sale, after-sales service.

Installation instruction

安装 (1)

First check the end of the steel pipe that needs to be connected together for burrs and defects.

安装 (2)

Next, apply lubricating oil to the lips and outside of the sealing rubber ring.

安装 (3)

Then first put a section of steel pipe into the sealing rubber ring.

安装 (4)

Then put the other end that needs to be connected together into the sealing rubber ring.

安装 (5)

Put the housing of the coupling on the outside of the sealing rubber ring.

安装 (6)

Finally tighten the bolts and nuts.

TONTR is located in the beautiful coastal city of Qingdao. It is a professional national-level high-tech industry engaged in the design, development, manufacture and sales of high-pressure pipeline systems.

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