Home » Products » Others » Adapter Flange » Tontr 6" Ductile Iron Grooved Adapter Flange for Fire Protection


Share to:
facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
whatsapp sharing button
sharethis sharing button

Tontr 6" Ductile Iron Grooved Adapter Flange for Fire Protection

Sales mode:Wholesale
Material:ductile iron/cast iron
Application:Fire protection
  • S190


  • S190

  • Adapter Flange

  • Groove connection

  • 1"~12"

  • Qingdao, China

  • less pressure

  • 60000 tons/year

  • Regular is red/Can Customize


Tontr 6" Ductile Iron Grooved Adapter Flange for Fire Protection


Our butt joint flanges are crafted using a variety of materials to cater to the specific requirements of different industries.

Common materials include:

Carbon Steel: Suitable for general-purpose applications with moderate pressure and temperature requirements.

Stainless Steel: Ideal for applications where corrosion resistance is paramount, such as chemical processing and marine environments.

Alloy Steel: Offers superior mechanical properties, making it suitable for high-pressure and high-temperature applications.

Duplex and Super Duplex: Used in extreme environments, such as offshore drilling and petrochemical industries, due to their exceptional corrosion resistance.

Other Special Alloys: In specific cases, we offer butt joint flanges crafted from materials like Inconel, Hastelloy, and Titanium for specialized applications.


Our butt joint flanges are available in various dimensions, conforming to international standards like ASME/ANSI B16.5, B16.47, B16.36, BS, DIN, and JIS.

Common sizes range from 1/2" to 48", catering to a wide array of pipe diameters.

Pressure Registration:

The pressure rating of our butt joint flanges depends on the material, size, and standard used during manufacturing.

Standard pressure classes include 150#, 300#, 600#, 900#, 1500#, and 2500#, providing a wide range of options to suit your specific application needs.


We take pride in adhering to strict quality control measures, and our butt joint flanges come with the following certificates:

ISO 9001: Ensures compliance with international quality management standards.

PED (Pressure Equipment Directive): Complies with European safety standards for pressure equipment.

Third-Party Inspection Reports: Available upon request to validate product quality.

Application Occasions:

Our butt joint flanges find applications in a multitude of industries, including but not limited to:

Oil and Gas: Used in pipelines, refineries, and petrochemical plants for fluid transportation and processing.

Power Generation: Essential components in power plants for steam and gas systems.

Chemical Processing: Resistant to corrosive chemicals, making them suitable for chemical handling systems.

Water Treatment: Facilitating secure connections in water supply and sewage treatment plants.

Shipbuilding: Used in marine applications for piping systems aboard vessels.

Construction: Employed in HVAC systems and plumbing applications.

Food and Beverage: Suitable for hygienic applications that require corrosion resistance.




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.

Quick Links

Product Category

Contact Us
Copyright @ 2023 Qingdao Tontr Pipeline System Co., Ltd. All rights reserved.  Sitemap  | Support By Leadong