PVC pipes are intended for pressureless transportation of gaseous, liquid, bulk substances, including food products. For example, for pumping liquid food products: milk, dairy products,oils vegetable, drinking carbonated, mineral water, fruit juices, wine, alcoholic beverages, vinegar, etc. in the temperature range from minus 30 oC to plus 80 oC.
The advantage of the PVC tube is that it is resistant to basic acids, technicalgasoline, to wine, to distilled, mineral and sea water, to compressed air,containing oil, to potassium salts.(//tractor-service.com)
Polyvinyl chloride tubes are also used for laying electric, telephone and television wires and cables. They provide additional protection of the cable against mechanical damage, protection against electric shock when the cable insulation is damaged. The tube is made of light and heavy series non-flammable PVC. The heavy-duty PVC pipe has additional strength (wall thickness) and is intended for installation in a cement screed or for pouring in concrete.