19th Ave New York, NY 95822, USA
+1 916-875-2235
+1 916-875-2235

Markowitz & Mellencamp

PIPELINE

The pipeline conveying the pump discharge of water to the distribution chamber under Hydrostatic pressure in Lift Irrigation Scheme (LIS).This should be laid on a continuously rising straight line. Bends will have to be provided in the vertical plane at the change of gradients where the ground profiles are uneven.

TYPES OF PIPES USED FOR WATER SUPPLY

MILD STEEL PIPES

• Number of joints are less as they are available in longer length.
• Pipes are durable and can resist high internal
water pressure and highly suitable for long
distance high pressure piping.
• Flexible to lay in certain curves.
• Light weight and easy to transport. Damage in
transportation is minimal.
• Pipes are prone to rust and require higher
maintenance

GALVANISHED IRON PIPES

• Cheap in cost and light in weight.
• Light in weight and easy to join.
• Affected by acidic or alkaline water.
• GI pipes are highly suitable for distribution system. 
• GI pipes  are used for water supply system.  They are available in length of 3 m.
• GI pipes can be used in non-corrosive water with pH value greater than 6.5.
• GI pipes are normally joined with lead putty on threaded end.

POLY VINYL CHLORIDE PIPES

• Economical in laying and jointing.
• They are rigid pipes.
• Highly durable and suitable for distribution network..
• Free from corrosion and tough against chemical attack.
• Good electric insulation.
• Highly suitable for distribution piping and branch pipes.
• Less resistance to heat and direct exposure to sun. 
• Certain types of low quality plastic impart taste to water.
• Available in size 20-315 mm  for water supply . 

HDPE PIPES

• HDPE pipes are black in colour.
• Suitable for underground piping and can withstand movement of heavy traffic.
• Allows free flowing of water.Highly durable and suitable for distribution network.
• Free from corrosion..
• Good electric insulation.
• Useful for water conveyance as they do not constitute toxic hazard and does not support microbial growth. 

DUCTILE PIPES

• Ductile Iron pipes are better version of cast iron pipes with better tensile
strength.
• DI pipes are prepared using centrifugal cast process.
• DI pipes have high impact resistance, high wear and tear resistance, high tensile strength, ductility and good internal and external corrosion resistance.
• DI pipes are provided with cement mortar lining on inside surface which provides
smooth surface and is suitable for providing chemical and physical barriers to
water. Such pipes reduce water contamination.
• They are about 30 percent lighter than conventional cast iron pipes.
• DI pipes lower pumping cost due to lower frictional resistance.