About US

"We Join The Cultures By Water"


The Grandpipe was built on an open area of ​​87.500 m², with 13.200 m² closed.

The management and production facilities of Grandpipe Sanayi ve Ticaret AS are located in Yalova. Grandpipe has a partnership with Grandpipe Technology in pipe systems and technology.

Grandpipe follows national and international markets through its domestic and international offices.

Grandpipe Technology has been operating in the GRP pipe and composite sector since 1992 and has been successful in projects in which GRP pipes and composites are used successfully in all kinds of water conveyance, special process applications and transportation of petrochemical products. The most important factor in achieving these successes is the Grandpipe Technology Center, where research and development work is carried out with great care.

Grandpipe products fulfill the requirements of standards published by many standard organizations such as CEN, ISO, TSE, AWWA, ASTM, BSI.

Grandpipe's standard product range is as follows.
* Diameter: DN 100 - 4000 mm
* Pressure: PN 1 - 40 bar
* Stiffness: SN 1250 - 10000 Pa

This product range defines standard products and tailor-made for non-standard applications in accordance with customer requirements and project needs. Above mentioned pressure and stiffness values, there are Grandpipe approved designs.

Our company:
"Production and Sales of GRP Pipes and Fittings".

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