Underground Sewerage Pipes
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Underground Sewerage Pipes

Finolex SDR series sewerage pipes are specially designed for underground non- pressure applications like gravity drainage & sewer flow for transportation of soil & waste discharge of domestic origin, surface water (storm water) and industrial effluent.
These pipes are available in sizes of 110, 125, 160 & 200 mm in stiffness class of SN-2, SN-4 & SN-8. These pipes are self-socketed, joined with the help of solvent cement (cold welding) and available in standard length of 6 meters & are brown in colour.

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Technical Specifications for Finolex

SN 2 (SDR 51, STIFFNESS CLASS 2 KN/m2)—20cm water head

 

SIZE CLASS “D” MEAN OUTSIDE DIA O.D. AT ANY POINT WALL THICKNESS (T) LENGTH TOLERANCE ± 5 (M) Cat No. Package “L” 
Min. Max. Min Max. Min. Max.
160 160 160.5 158 162 3.2 3.7 6.086 1028160995100 6 mtr
200 200 200.6 197.6 202.4 3.9 4.5 6.106 1028200995102 6 mtr

 

SN 4 (SDR 41, STIFFNESS CLASS 4 KN/m2)—40cm water head

 

SIZE CLASS “D” MEAN OUTSIDE DIA O.D. AT ANY POINT WALL THICKNESS “T” LENGTH TOLERANCE,± 5 (M) Cat No. Package “L” in mm
Min. Max. Min Max. Min. Max.
160 160 160.5 158 162 4 4.6 6.086 1028160995101 6 mtr
200 200 200.6 197.6 202.4 4.9 5.6 6.106 1028200995100 6 mtr

 

SN 8 (SDR 34, STIFFNESS CLASS 8KN//m2)—80cm water head

 

SIZE CLASS “D” MEAN OUTSIDEDIA O.D. AT ANY POINT WALL THICKNESS “T” LENGTH TOLERANCE +5 (M) Cat No. Package “L”
Min. Max. Min Max. Min. Max.
110 110 110.4 108.6 111.4 3.2 3.7 6.067 1028110995100 6 mtr
160 160 160.5 158 162 4.7 5.4 6.086 1028160995102 6 mtr
200 200 200.6 197.6 202.4 5.9 6.7 6.106 1028200995101 6 mtr

 

Note:

The unit of Pascal is N/m2

kPa=1000×10-5kg/cm2=1000×10-5m of water

2kPa= 10-2kg/cm2=20cm of water.

 

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