Appendagefabriek Kolk B.V.

Kolk is a manufacturer and supplier of fittings such as valves, hydrants, check valves and accessories for water supply and sewage network. We are expert in supplying the (drinking) water market at home and abroad. In addition to the delivery of products, we also offer specialized project support. Our focus on this market is to act as a `one stop shop`. We also offer professional project support to pipeline projects. Our products are delivered to international groups and contractors for the European and African markets.