KASTAŞ Sızdırmazlık Teknolojileri Sanayi ve Ticaret A.Ş. is a Türkiye-based manufacturer of sealing technologies, headquartered in İzmir. Established in 1981, the company develops and produces seals used in hydraulic, pneumatic, and rotating equipment across industrial sectors.
Products and applications
Its range includes hydraulic piston and rod seals, wipers, rotary seals, O-rings, and custom-engineered sealing elements made from advanced polymer and elastomer materials.
Manufacturing and markets
KASTAŞ operates modern production and R&D facilities in İzmir and supplies sealing solutions to global OEMs and aftermarket customers through subsidiaries and distribution partners.
