Description Description Product sheet | Butterfly valves BVL-1 Related products GasVIKINGOxeo | Inert gas systems – fighting fire with argon and nitrogen: IG-01, IG-100, IG-55 or IG-541 Read more VIKINGWaterSpray sprinkler M 3 mm (VK302) Read more VIKINGWaterDry sprinkler 5 mm (VK152) Read more