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Professional Manufacturer of Ductile Iron Grooved Split Flange

Sales mode:Wholesale
Material:ductile iron/cast iron
Application:Fire protection
  • S14


  • S14

  • Grooved Reducer

  • Groove connection

  • 1"~12"

  • Qingdao, China

  • less pressure

  • 60000 tons/year

  • Regular is red/Can Customize


Professional Manufacturer of Ductile Iron Grooved Split Flange 

Product Details:


Designed for direct connection of flanged components into a grooved cast or ductile system

Designed for Class 53 or higher pipe

Sizes from 3 – 24″ | DN80 – DN600

Pressures up to 250 psi | 1724 kPa | 17 bar|1.7MPa

Optional coatings include coal tar epoxy, organic zinc primer and bituminous

The Model  Flange Adapter allows for a direct connection with ANSI class 125/150 flanges.

The specially designed gasket enables the transition from a grooved system to a flanged system or component with this single flange adapter.

The two-segment design provides an easy and fast installation.

2” through 12” flange adapters are supplied hinged as a single assembly, while 14” – 24” are supplied with two separate segments and a draw kit.

All include an EPDM rubber gasket and plated track bolts and nuts.

Housing segments are supplied with our standard painted finishes, i.e. orange or red.

Optional finishes such as hot dipped zinc galvanized and custom epoxy coatings are available.



1.Strict quality control.Product manufacturing quality in accordance with ISO9001 quality management system requirements.

2.The price is good:Products are sold directly from manufacturers to customers, reducing middlemen to earn the difference.

3. Have a dedicated customer service team. Pre-sales customer questions, after-sales problems, we can send people to solve at any time.

4. With internal physical factory, both product quality and product price can be controlled independently.

Company profile

Qingdao Tontr Pipeline System Co., Ltd. is located in Jiaozhou City, Qingdao City, Shandong Province, China.  Founded in 2015, the company has not been established for a long time, but its technical R&D personnel have been engaged in the pipeline industry for more than 20 years.

Since its establishment, the average number of complete long-distance liquid supply orders per year is about 60. The whole set of remote liquid supply project includes a certain length of steel pipe, steel pipe coupling, control gate valve, diverter, elbow, filter, accumulator and other products. The length is generally 1000 to 2000 meters most common. Among them, our company has done the longest long-distance liquid supply project for coal mines in China with a length of 6000 meters. This project was independently designed, developed and produced by our company. Up to now, it has been in good condition without any problems.

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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