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Experience since 1922
Flexible and reliable
Inhouse production and coating
Wide range of products on stock
Customized Products and Service
Products
Kolk offers an extensive range of accessories, products and services for the infrastructure for drinking and waste water network.
Flanged fittings
Tyton fittings
Fittings for PE/PVC
Couplings
Gate valves
Non return valves
Butterfly valves
Knife gate valves
Hydrants
Flange gasket kits
