기능

• The inner surface is very smooth, the friction resistance is small, and slime does not stick easily.
• It drains efficiently for many years.
• Thick VP pipes can be applied to any drainage system.
• Use TS fittings for piping where water pressure is applied.
• Use a DV fitting when draining (no pressure).
• For water supply and miscellaneous drainage facilities in buildings (Sewage and rainwater drainage).
• As a vent pipe.