UNDERGROUND DRAINAGE & SEWERAGE PIPES
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UNDERGROUND DRAINAGE & SEWERAGE PIPES

Finolex SDR series sewerage pipes are specially designed for underground – non pressure applications like gravity drainage, sewer flow and transportation of soil & waste discharge. These pipes are available in sizes 110, 125, 160, 200, 250 and 315 mm in stiffness classes of SN-2, SN-4 & SN-8. Sewerage pipes come with selfit and ringfit sockets in a standard length of 3 & 6 meters. Selfit pipes are self-socketed and can be joined with the help of solvent cement; while Ringfit pipes need no threading or solvents for jointing and can withstand high pressures. In Sewerage Ringfit Pipes, EPDM Rubber Rings that have a long life are used. These rings can withstand high pressures. For ease of jointing and to ensure better insertion, Finolex rubber lubricant application is recommended

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DIMENSIONS OF SELFIT SEWERAGE PIPES CONFORMING TO IS 15328

SN 2 (SDR 51, STIFFNESS CLASS 2 KN/m²)

Nominal Outside Diameter “D” in nominal Mean Outside Diameter (mm) Outside Diameter at any point (mm) Wall Thickness “T” in mm Material
Code
Std.
Length
(mm) (inch) Min Max Min Max Min Max   meter
160 6″ 160.0 160.5 158.0 162.0 3.2 3.7 DP1111 6
200 8″ 200.0 200.6 197.6 202.4 3.9 4.5 DP1112 6
160 6″ 160.0 160.5 158.0 162.0 3.2 3.7 DP1134 3
200 8″ 200.0 200.6 197.6 202.4 3.9 4.5 DP1135 3

SN 4 (SDR 41, STIFFNESS CLASS 4 KN/m²)

Nominal Outside Diameter “D” in nominal Mean Outside Diameter (mm) Outside Diameter at any point (mm) Wall Thickness “T” in mm Material
Code
Std.
Length
(mm) (inch) Min Max Min Max Min Max   meter
160 6″ 160.0 160.5 158.0 162.0 4.0 4.6 DP1114 6
200 8″ 200.0 200.6 197.6 202.4 4.9 5.6 DP1116 6
160 6″ 160.0 160.5 158.0 162.0 4.0 4.6 DP1113 3
200 8″ 200.0 200.6 197.6 202.4 4.9 5.6 DP1115 3

SN 8 (SDR 34, STIFFNESS CLASS 8 KN/m²)

Nominal Outside Diameter “D” in nominal Mean Outside Diameter (mm) Outside Diameter at any point (mm) Wall Thickness “T” in mm Material
Code
Std.
Length
(mm) (inch) Min Max Min Max Min Max   meter
110 4″ 110.0 110.4 108.6 111.4 3.2 3.7 DP1118 6
160 6″ 160.0 160.5 158.0 162.0 4.7 5.4 DP1122 6
200 8″ 200.0 200.6 197.6 202.4 5.9 6.7 DP1124 6
110 4″ 110.0 110.4 108.6 111.4 3.2 3.7 DP1117 3
160 6″ 160.0 160.5 158.0 162.0 4.0 4.6 DP1119 3
200 8″ 200.0 200.6 197.6 202.4 4.9 5.6 DP1123 3

DIMENSIONS OF RINGFIT SEWERAGE PIPES CONFORMING TO IS 15328

SN 2 (SDR 51, STIFFNESS CLASS 2 KN/m²)

Nominal Outside Diameter “D” in nominal Mean Outside Diameter (mm) Outside Diameter at any point (mm) Wall Thickness “T” in mm Material
Code
Std.
Length
(mm) (inch) Min Max Min Max Min Max   meter
250 10″ 250.0 250.8 247.0 253.0 4.9 5.6 DP1125 6
315 12″ 315.0 316.0 311.2 318.8 6.2 7.0 DP1126 6

SN 4 (SDR 41, STIFFNESS CLASS 4 KN/m²)

Nominal Outside Diameter “D” in nominal Mean Outside Diameter (mm) Outside Diameter at any point (mm) Wall Thickness “T” in mm Material
Code
Std.
Length
(mm) (inch) Min Max Min Max Min Max   meter
250 10″ 250.0 250.8 247.0 253.0 4.9 5.6 DP1127 6
315 12″ 315.0 316.0 311.2 318.8 6.2 7.0 DP1128 6

SN 8 (SDR 34, STIFFNESS CLASS 8 KN/m²)

Nominal Outside Diameter “D” in nominal Mean Outside Diameter (mm) Outside Diameter at any point (mm) Wall Thickness “T” in mm Material
Code
Std.
Length
(mm) (inch) Min Max Min Max Min Max   meter
250 10″ 250.0 250.8 247.0 253.0 4.9 5.6 DP1129 6
315 12″ 315.0 316.0 311.2 318.8 6.2 7.0 DP1133 6

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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