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China Wholesale No Bolted Pipe Coupling

  • S10N

  • S10N

  • Steel pipe coupling

  • Groove connection

  • 2"~8"

  • Qingdao, China

  • 1.6MPa, 2.5MPa, 4MPa, 10MPa

  • 60000 tons/year

  • As shown in the picture

  • EPDM/Fluorine/Nitrile


China Wholesale No Bolted Pipe Coupling

Material: Stainless steel/carbon steel

Boltless couplings do not require the use of bolts to tighten, improving installation efficiency.


1) Automatic sprinkler system for water supply, gas supply, heating and other commercial, civil and municipal buildings

2) Subway stations, railway stations, airports, seaports, Bridges and other pipeline systems

Stainless steel as raw material, with good corrosion resistance. Has a long service life.

It has the characteristics of high strength, good toughness and good mechanical properties.


1. Boltless pipe joints have been further improved on the basis of conventional pipe joints. A new locking structure is used to replace conventional locking bolts and nuts to play a fastening role, eliminating the need for bolt fastening, which is more convenient and quick to install and maintain.

2. The shell is formed by automatic precision casting or precision forging, with high dimensional accuracy and excellent physical properties.

3. The sealing ring has the characteristics of high strength, antistatic, flame retardant, and tear resistance. The higher the pressure, the better the sealing performance; the standard of material selection is ASTM D2000, and the raw materials are imported.

4. The product has high reliability, fast installation and disassembly, flexible and convenient, easy to operate, less demand for repair and maintenance, and can be reused.

5. The appearance adopts dipping paint or plastic spraying method, which has excellent flame retardant and antistatic properties, and can easily find water leakage and water seepage in the pipeline system.



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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