Asbestos-cement pipes: standardized parameters of pressure and non-pressure products, features of pipe laying, connection of asbestos-cement products, areas of use.
Why are the water pipes humming? Drone in pipes with closed water taps. Drone in the pipes with open taps. Tapping in water pipes. Methods for solving the problem.
Brass fittings. Differences of brass fittings from others. Their advantages. Classification of fittings by the method of fastening to pipes, by shapes and characteristics. Varieties of welding parts with pipes.
Ducts made of polypropylene. Features and operational scope. Advantages and disadvantages. Types of ventilation. Dimensions and shape of PP ducts and tips for their choice.
Corrugated pipe for ventilation. Production and application features. Mounting a semi-rigid aluminum duct. The choice of the duct for the hood in the kitchen.