Above ground hydrants (BBK)
Kolk above ground hydrants are made of ductile iron GJS-400/500 (DIN1693 GGG-40/50). Designed acc. to DIN 3222 with flange drilling acc. to EN 1092-2 (ISO 7005-2). Epoxy coated (Resicoat®) and polyester coating acc. to EN 14901 (DIN 30677-2) and GSK certified (RAL-GZ 662).
- Experience since 1922
- Flexible and reliable
- Inhouse production and coating
- Wide range of products on stock
- Customized Products and Service