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Mining Africa Grooved Coupling Manufacturers

medium:Water, Steam, Oil, Oil-Water Mixture, etc
material:Ductile Iron
Surface Treatment:Spray or DIP Paint and Other Corrosion Resistant 
Technology:Casting, Forging
Certification: ISO9001
Material of Rubber Ring:EPDM/NBR
  • S30-60.3

  • Totr

  • S30-60.3

  • Steel pipe connector

  • Groove connection

  • 1-24

  • Qingdao, China

  • 40Mpa

  • 60000 tons/year

  • Regular is red/customizable

  • EPDM/Nitrile etc.


Mining Africa Grooved Coupling Manufacturers

Product Material Specification

  1. Housing: Ductile iron conforming to ASTM A-536, grade 65-45-12.

  2. Housing Coating: Paint red and orange

  3. Optional: Hot dipped galvanized, electro galvanized.

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.

    Two pieces of shell: the color is mostly red, others need to be customized, internal processing groove, groove connection is more convenient, fast and safe

    A rubber ring: the material is mostly EPDM or fluorine rubber, to ensure that the internal seal does not leak

    Four bolts and nuts: High strength galvanized bolts and nuts, corrosion resistance, high compressive strength

  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.


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 main products are long distance liquid supply system.

The company has solved the connection and installation of pipeline system for many large state-owned enterprises,and has won wide praise from customers.

The pursuit of product quality,intentions to serve customers is our company' philosophy.

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.

Heart service,
quality price
1.7*24 Hours Service
Have an excellent after-sales service team to ensure that the first time to solve customer after-sales problems.
2.Mature team
We have an excellent technical team, which can be designed according to customers requirements.
3.Expertise in type
Have their own factory and production line, offering preferential prices.

EPDM: Temperature range -34ºC to +150ºC.

Recommended for hot water service within the specified temperature range plus a variety of dilute acids,oil-free air and many chemical services.


Silicon Rubber: Temperature range -40ºC to +177ºC.

Recommended for drinking water,hot water, high-temperature air and some high-temperature chemicals.


Nitrile Rubber: Temperature range -29ºC to +82ºC.

Recommended for petroleum products,air with oil vapors, vegetable and mineral oils within the specified temperature range.



DRY AIR OVER +140°F/+60ºC.


  • Are u a manufacturer?
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    We are specialized in the production of pipe and various series of couplings and other pipe fittings manufacturers. We supply couplings for the wholesalers and dealers from different countries.
  • How does your factory do regarding quality control?
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    1) Firstly, we have specialized QC department to control the quality, and we also accept the third official government to inspect the cargoes before delivery.
    2) Secondly, we have all detailed records for nonconformity products, then we will make summary according to these records, avoid it happen again.
    3) Thirdly, We do observe the relevant codes of conduct & laws from government in environment, human right aspects like no children labor, no prisoner labor and so on.
  • Can I have a sample order?
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    Yes. We welcome sample order to test and check quality. Mixed samples are acceptable.
  • Why choose us?
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    We are a verified supplier and creditable company on Made-in-China, Genuine produces with excellent quality and competitive price, we are focusing on the long term relationship with customers, Genuine produces with excellent quality and competitive price. After-Services will be highly-satisfing.
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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