Plumbing Design

Pipes materials:

• Galvanised or zinc coated steel pipe
• Cast Iron
• Copper pipe:
• Rigid Copper
• Flexible Copper, which is often used for dishwashers, refrigerator and other home appliances which need water supply
• PVC(Polyvinyl chloride) pipe
• PEX(Cross-linked polyethylene) pipe: PEX is never used for drain lines.
• Multilayered Composite Pipes
• CSST (Corrugated stainless steel tubing): 

PVC pipes of 5m length are available in standard dia sizes of 6, 8, 10, 12, 16, 20, 25, 32, 40, 50, 63, 75, 90, 110, 160, 180, 200, 225 mm.

Types of plumbing pipes:

• Domestic PRM line
• Domestic water booster line
• Domestic water gravity line
• flushing water gravity line
• flushing water booster line
• flushing PRM line
• gas pipe
• hot water supply line
• hot water return line
• rain water pipe
• refrigerant pipe
• Soil pipe
• Soil pipe drop
• vent pipe
• Fire pipe
• Waste pipe
• Waste pipe drop
• Rain water pipe