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High Pressure Grooved Rigid/quick/flexible Coupling

Sales mode:Wholesale
Material:Ductile iron/Cast iron
Anticorrosive method:Spray /As buyer's requirements
Rubber ring material:EPDM/FKM/NBR
Product volume:5737.5Cubic centimeter
  • S30-76.1


  • S30-76.1

  • Ultra High Pressure Coupling

  • Groove

  • 1"~24"

  • Qingdao, China

  • 16~20MPa

  • 60000 tons/year

  • Red/ Can Customize


High Pressure Grooved Rigid/quick/flexible Coupling


  1. Grooved ultra-high pressure pipe coupling is suitable for mining, Marine and other high pressure pipe system.

  2. It is a double-grooved pipe coupling that can withstand a pressure of 20Mpa.

  3. The shell is made of ductile iron, according to ASTM A536 65-45-12

  4. The sealing gasket adopts a special E-type design to perfectly match the size of the pipeline, buffer the impact pressure, and achieve a better sealing effect.

  5. Bolts/nuts are made of heat-treated high-strength carbon steel with mechanical properties of 8.8 grade.

  6. The bolt adopts the American standard oval neck, the nut adopts the flange face to prevent loosening, easy to install and disassemble.

  7. It has the advantages of compensating displacement and centering, sound insulation and vibration reduction, elasticity and adjustability, corrosion resistance and pressure resistance, easy installation and disassembly, etc.

  • EPDM: Temperature range -34 ° C to +110 ° C. Recommended for indoor hot water service

    The specified temperature range plus various dilute acids, oil-free air and many chemical services. Not recommended for oil service.

  • Fluororubber: Temperature range -60 ~ +250℃.

    Can be used for a variety of strong acid and base, steam, hot air, hot oil and other fluid transportation and sealing, can also be used for household appliances, lighting, medical equipment


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.
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.
  • Can I have a sample order for valve?
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    Definitely Yes. We welcome sample order to test and check quality. Mixed samples are acceptable.
  • What is your terms of delivery?
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    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?
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    Usually is wood pallet as your requst. We usually ship by sea. 
  • How to deal with after sales?
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    A: 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).
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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