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Grooved Ductile Iron Galvanized Flexible Pipe Coupling 2.5 MPa

  • S10-114.3

  • Tontr

  • S10-114.3

  • Steel pipe coupling

  • Groove connection

  • 1"~24"

  • Qingdao, China

  • 1.6MPa, 2.5MPa, 4MPa, 10MPa

  • 60000 tons/year

  • Regular is red/customizable

  • EPDM/Nitrile etc.


Grooved Ductile Iron Galvanized Flexible Pipe Coupling 2.5 MPa

Material :Ductile Iron

Seal :EPDM (black)

Finish :Galvanised

Working Pressure :300 PSI (2 MPa)

Temperature Range :-30°C to +110°C

Nominal Size :1-1/2" (40 mm)

Key Specifications/ Special Features:CARBON STEEL PIPE- LOW PRESSURE GROOVED COUPLINGS,made of Cast iron / Ductile iron with carbon steel bolts and nuts.          It is recommended for service up to 350 psi / 2500 kPa / 25 bar.       It is the standard grooved flexible coupling, available size from DN20 (3/4”) to DN300 (12”), suitable for Sch40S cut groove pipe only.

Material Specifications:

Housing: Ductile Iron conforming to ASTEM A536

Surface finish can be:Epoxy power

Dacromet:Hot dip zinc galvanized

Rubber Gaskets: EPDM C-shaped gaskets, for cold water, hot water, rare acid, oil-free air and multiple chemical product, working temperature -50~150degree.


NOTE: Additional gasket styles are available.  Contact Tontr for details.

Bolts & Nuts: Round head, elliptoid-neck,carriage bolts, zinc covered or dacromet.




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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