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China factory ductile iron steel pipe connectors for fire protection in coal mines

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


China factory ductile iron steel pipe connectors for fire protection in coal mines

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.


Great value enjoyment and Specialized in product
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 systems. 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's philosophy.
  • Can I have a sample order for valve?
    Yes. We welcome sample order to test and check quality. Mixed samples are acceptable.
  • What is your terms of delivery?
    We accept EXW,FOB,etc. You can choose the one which is the most convenient for you.
  • What's the package and how do you ship the goods?
    Usually is wood pallet as your requst. We usually ship by sea.
  • How to deal with after sales?
    warranty time : 12 months from the shipment ; and we will be responsible for all the quality problems. Quality control : High quality mold. /Raw materials control/Production process quality control/Final inspection/Water testing (no leaking).
  • Why choose us?
    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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