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Introduction of Well Casings and Screen Pipes
Tirupati Structurals Limited is a leading manufacturer of uPVC Plain casing & Ribbed pipes TSL's ultra modern plants ensures products of the highest quality Thes pipes are made according to standard (IS : 128 18) & DIN 4925. The Pipes are manufactured as per following specifications.

Specification
Casing & Ribbed Screen Pipes are manufactured according to IS 128 18 specification.The Dimension for medium wells (depth the norms of IS : 12818 and DIN 4925 from 80 mtrs to 250 mtrs) and plain casing Pipes for shallow wells (depth upto 80 mtrs).

Dimensions of Screen Pipes
(For depth upto 250 meters)
Alldimensions are in millimeters
Normal Diameter Outer Diameter of Pipe Wall Thickness
Dn Min Max Min Max
40
50
80
100
125
150
175
200
 52.0
64.0
92.0
117.0
144.0
169.0
204.0
229.0
 52.0
64.0
92.0
117.0
144.0
169.0
204.0
229.0
 3.5
4.0
4.0
5.0
6.5
7.5
8.8
10.0
 4.0
4.6
4.6
5.7
7.3
8.5
9.8
11.2


Dimensions of 'CM' Casing Pipes
(For depth upto 250 meters)
Alldimensions are in millimeters
Normal Diameter Outer Diameter of Pipe Wall Thickness
Dn Min Max Min Max
40
50
80
100
125
150
175
200
250
 48.0
60.0
88.0
113.0
140.0
165.0
200.0
225.0
280.0
 48.2
60.2
88.3
113.3
140.4
165.4
200.5
225.5
280.5
 3.5
4.0
4.0
5.0
6.5
7.5
8.8
10.0
12.5
 4.0
4.6
4.6
5.7
7.3
8.5
9.8
11.2
14.0


Dimensions of Unplasticised P.V.C. Pipes
IS : 4985 : 1988 All Dimensions in Millimeters
For use in Water Supply

Nominal Outside Diameter Nominal Mean Outside Diameter Outside Diameter At any Point Class I (0.25 MPA) Individual Value Average Value Class II (0.4 MPA) Individual Value Average Value Class III (0.6 MPA) Individual Value Average Value Class IV (1.0 MPA) Individual Value Average Value
Size Min. Max. Min. Max. Max. Min. Max. Max. Min. Max. Max. Min. Max. Max. Min. Max.
16 16.0 16.3 15.5 16.5 - - - - - - - - - 1.5 1.1 1.5
20 20.0 20.3 19.5 20.5 - - - - - - - - - 1.5 1.1 1.5
25 25.0 25.3 24.5 25.5 - - - - - - - - - 1.8 1.4 1.8
32 32.0 32.3 31.5 32.5 - - - - - - - - - 2.2 1.8 2.2
40 40.0 40.3 39.5 40.5 - - - - - - 1.8 1.4 1.8 2.7 2.2 2.7
50 50.0 50.3 49.4 50.6 - - - - - - 2.1 1.7 2.1 3.3 2.8 3.3
63 63.0 63.3 62.2 63.8 - - - 1.9 1.5 1.9 2.7 2.2 2.7 4.1 3.5 4.1
75 75.0 75.3 74.1 75.9 - - - 2.2 1.8 2.2 3.1 2.6 3.1 4.9 4.2 4.9
90 90.0 90.3 88.9 91.1 1.7 1.3 1.7 2.6 2.1 2.6 3.7 3.1 3.7 5.7 5.0 5.7
110 110.0 110.4 108.6 111.4 2.0 1.6 2.0 3.0 2.5 3.0 4.3 3.7 4.3 7.1 6.1 7.0
125 125.0 125.4 123.5 126.5 2.2 1.8 2.2 3.4 2.9 3.4 5.0 4.3 5.0 8.0 6.9 7.7
140 140.0 140.5 138.3 141.7 2.4 2.0 2.4 3.8 3.2 3.8 5.5 4.8 5.5 8.9 7.7 8.7
160 160.0 160.5 158.0 162.0 2.8 2.3 2.8 4.3 3.7 4.3 6.2 5.4 6.2 10.2 8.8 9.7
180 180.0 180.6 177.8 182.2 3.1 2.6 3.1 4.9 4.2 4.9 7.1 6.1 7.0 11.4 9.9 11.1
200 200.0 200.6 197.6 202.4 3.4 2.9 3.4 5.3 4.6 5.3 7.9 6.8 7.7 12.7 11.0 12.3
225 225.0 225.7 222.3 227.7 3.9 3.3 3.9 6.0 5.2 6.0 8.8 7.6 8.6 14.3 12.4 13.9
250 250.0 250.8 247.0 253.0 4.2 3.6 4.2 6.5 5.7 6.5 9.8 8.5 9.6 15.9 13.8 15.4
280 280.0 280.9 276.6 283.4 4.8 4.1 4.8 7.4 6.4 7.3 11.0 9.5 10.7 17.8 15.4 17.2
315 315.0 316.0 311.2 318.8 5.3 4.6 5.3 8.3 7.2 8.2 12.4 10.7 12.0 19.9 17.3 19.3


Dimensions of HDPE Pipes
IS : 4984 : 1987 All Dimensions in Millimeters
For use in Water Supply

WALL THICKNESS
Outside DIA Tolerance on Outside DIA 2.0 kgf/cm2 Class I Min. Max. 2.5 kgf/cm2 Class II Min. Max. 4.0 kgf/cm2 Class III Min. Max. 6.0 Kgf/cm2 Class IV Min. Max. 10.0 kgf/cm2 Class V Min. Max.
20 +0.3                 2.3 2.8
25 +0.3                 2.8 3.3
32 +0.3             2.3 2.8 3.6 4.3
40 +0.4         2.0 2.4 2.9 3.4 4.5 5.2
50 +0.5         2.4 2.9 3.6 4.2 5.6 6.4
63 +0.6     2.0 2.4 3.0 3.5 4.5 5.2 7.1 8.1
75 +0.7 2.0 2.4 2.3 2.8 3.6 4.3 5.3 6.1 8.4 9.5
90 +0.8 2.2 2.6 2.8 3.3 4.4 5.1 6.4 7.3 10.1 11.4
110 +1.0 2.7 3.2 3.4 4.0 5.0 6.0 7.8 8.8 12.4 13.8
125 +1.2 3.1 3.6 3.9 4.5 6.0 6.8 8.9 10.0 14.1 15.8
140 +1.3 3.5 4.1 4.3 5.0 6.8 7.7 9.9 11.1 15.8 17.6
160 +1.5 3.9 4.5 4.9 5.6 7.8 8.8 11.3 12.7 18.0 20.0
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