The swing doors in HPL to one or two doors are indicated for the partitioning of industrial buildings, allowing to close the compartment without limiting the ease of passage from the staff. Are the ideal solution where there is a high traffic of people and carts, while limiting the passage of dust and noise, helping to improve the condition of the working environment. Action doors opening is pushed (in both directions, such as "go 'and come"), while the closure is automatic spring return. Thanks to the high quality of the materials used these ports are able to withstand the shocks of vehicles and trucks, remaining in any case operating for a long time.