Roll cooling and/or lubricating appts. for cold-rolling

摘要

The roll cooling and/or lubricating appts. includes nozzle valves (10) with nozzle heads (11) facing rolls are located in the interior of nozzle beams (9). The nozzles heads protrude from the beam front wall, and are provided with at least one nozzle opening (15), as well as a forechamber (16), and they also incorporate a sealing spring (18) which takes the form of a cone or a cylinder, and is attached to a nozzle operating plunger (21).