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Stainless Steel Asia Grooved Coupling China Factory

Sales mode:Wholesale
Material:Brass/ductile iron/cast iron
Anticorrosive method:Spray /As buyer's requirements
Rubber ring material:EPDM/FKM/NBR
  • S20-76.1


  • S20-76.1

  • Ultra High Pressure Coupling

  • Groove

  • 1"~24"

  • Qingdao, China

  • 20MPa

  • 60000 tons/year

  • Red/Can Customize

  • EPDM/Silicon Rubber/Nitrile Rubber


Stainless Steel Asia Grooved Coupling China Factory

Our product:

  1. It is made of cast ductile iron and can withstand pressure less than 20MPA. 

  2. It consists of shell, rubber ring, bolt and nut. 

  3. According to the transmission medium to choose different rubber rings.

  4. According to the different application occasions and the size of the butt pipe, choose different pressure of different sizes of products.

Material specification:

  • Case: ductile iron

  • Rubber gasket: according to the conveyor belt medium selection of different materials of rubber ring. EPDM, rubber, butyl fine and other materials can be customized.

  • Bolts and nuts: Stainless steel bolts and nuts, carriage bolts according to international standard models. The nut is made of SS304 material.


 Coupling installation method

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

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

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

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

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

6.Finally tighten the bolts and nuts


Company profile 


The company is located in Jiaozhou City, Qingdao, Shandong Province, China. Completed since its inception.

The company was established in 2015, which is not long, but our technicians have been engaged in the pipeline industry for 20 years.

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.).


Both steel pipes and components are connected through grooves. I know that many countries continue to use flange connections. We use the groove connection compared to the flange covers less area, the installation of bolts and nuts are reduced, the use of the groove connection can withstand greater pressure. Therefore, compared with the flange connection and groove connection, there is no harm.

I thought you might be worried about the installation. Please don't worry. We have professional customer service staff. First of all, the product is equipped with corresponding instructions for use. Secondly, our customer service staff will come to the scene to explain. It is best that the customer service staff will carry out the installation and debugging until the product is put into use and the customer acceptance is completed.

About the service

The company provides full service. Including pre-sale, sale, after sale.

Pre-sale service: Provide design scheme according to actual use environment.

In-sale service: We will answer any questions in the sales process as soon as possible.

After-sales service: After the product is sold, the professional customer service team will conduct installation training, and the installation will be completed after the product installation pressure test is qualified. Any problem in the use of any time to contact us, we will be the first time to provide solutions.

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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