Thursday, 12 April 2012

Compare Cast-iron Sewers with stoneware sewers.


Compare Cast-iron Sewers with stoneware sewers.         
            
Sr. No.
CAST IRON SEWER
STONE WARE SEWER
1.
Cast in sand-molds by pouring molten cast iron.
Molded by mixing clay, crushed stone powders and water & then burnt for obtaining better fusion.
2.
Does not get eroded.
Can get eroded over a period of time.
3.
Relatively strong.
Relatively weak.
4.
Can withstand higher pressure.
Not suitable for high water pressure.
5.
Costlier
Cheaper.
6.
Lead is used for connecting the joints.
Cement is used for connecting the joints.
7.
Cannot be deteriorated by worms/termites.
May get attacked by termites/worms.

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