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ABOUT THE PRODUCTS
SWATHI PVC casing, suction & plumbing pipes are produced from PVC Resin with standard additives.

These Pipes are manufactured under computerized control on a Twin Screw Extruder by a qualified staff. The Belling & Threading are made by highly sophisticated Imported Machines. The Pipes manufactured are subject to high quality inspection by our technically qualified staff equipped with sophisticated R&D Laboratory Equipment.
I. SWATHI CASING PIPES
Swathi casing Pipes are manufactured as for IS 4985/2000 and are classified as shown below.
1. PLAIN CASING PIPES: There are two types of plain casing pipes, which can be used as Extention Pipes to the Screen Pipes.
(a) C.S. PIPES: Casing Pipe suitable for Wells with depth upto 80M (that is for shallow depth well)
(b) C.M. PIPES: Casing Pipes suitable for wells depth above 80M and 200M (i.e., for medium depth well)
2. PLAIN SCREEN PIPES: These pipes have transverse slot and can mainly be used in borewells from the water table level onwards.
Table 1. Dimensions & Collapse resistance of “SWATHI’ U PVC plain ‘CM’ casing pipes (for medium well) as per IS : 12818 : 1992
S.No Nominal
Diameter
(inches)
Nominal
Diameter
(mm)
Outside Diameter
(mm)
Outside
Diameter over Connection (mm)
Wall Thickness
(mm)
Collapse
Resistance
(kg/cm2)
Length of Threads
(mm)
Min. Max. Max. Min. Max.
1.
2.
3.
4.
5.
6.
7.
1.5
2
3
4
5
6
7
40
50
80
100
125
150
175
48
60
88
113
140
165
200
48.2
60.2
88.3
113.3
140.4
165.4
200.5
52
64
94
120
150
177
215
3.5
4.0
4.0
5.0
6.5
7.5
8.8
4.0
4.6
4.6
5.7
7.3
8.5
9.8
32.0
24.0
7.0
7.0
7.0
7.0
7.5
25
30
40
45
60
60
70
DIMENSIONS OF RIGID PVC PIPES
Nominal Outside Diameter Tolerance on Outside Diameter Class 1
2.5
Min     Max
Class 2
4 kgf/cm2
Min     Max
Class 3
6 kgf/cm2
Min     Max
Class 4
8 kgf/cm2
Min     Max
Class 5
10 kgf/cm2
Min     Max
Class 6
12 kgf/cm2
Min     Max
Plumbing Pipes 15 Kgf/cm2
Min       Max
20
25
32
40
50
63
75
90
110
125
140
160
180
200
+0.3
+0.3
+0.3
+0.3
+0.3
+0.3
+0.3
+0.3
+0.4
+0.4
+0.5
+0.6
+0.6
+0.6
-           -
-           -
-           -
-           -
-           -
-           -
-           -
1.3       1.7
1.6       2.0
1.8       2.2
2.0       2.4
2.3       2.8
2.6       3.1
2.9       3.4
-           -
-           -
-           -
-           -
-           -
1.5       1.9
1.8        2.2
2.1       2.6
2.5       3.0
2.9       3.4
3.2       3.8
3.7       4.3
4.2       4.9
4.6       5.3
-           -
-           -
-           -
1.4      1.8
1.7       2.1
2.2       2.7
2.6       3.1
3.1        3.7
3.7       4.3
4.3       5.0
4.9      5.5
5.3       6.2
60       7.1
6.0       7.9
-           -
1.2      1.6
1.5      1.9
1.8      2.2
2.3       2.8
2.8       3.3
3.4       4.0
4.0       4.6
4.9       5.6
5.6       6.4
6.3      7.3
7.2       8.3
8.0       9.2
8.9    10..3
1.1       1.5
1.4       1.8
1.8       2.2
2.2       2.7
2.8       3.3
3.5       4.1
4.2       4.9
5.0       5.7
6.1       7.1
6.9       8.0
7.7       8.9
8.8       10.2
9.9       11.4
11.0     12.7
1.4       1.8
1.7       2.1
2.2       2.7
2.8       3.3
3.4       4.0
4.3       5.0
5.1       4.9
6.1       5.7
7.5       7.1
8.5       8.0
9.5       8.9
10.9     10.2
12.2     11.4
13.6     12.7
2.8       3.3
2.9       3.4
3.4       3.9
3.6       4.2
3.7       4.3
CONSUMPTION OF SOLVENT CEMENT
Diameter of Pipe mm. 20 25 32 40 50 63 75 90 110 140 160 180 200 225 250 280 315 355 400
Apx. no. of joints which can be made per liter of solvent cement 324 270 225 180 130 125 103 79 54 36 27 25 15 12 9 7 5 3 2
Table 2. Dimensions & Collapse resistance of “SWATHI” U PVC plain ‘CS’ casing pipe (for shallow well) as per IS : 12818 : 1992
S. No Nominal Diameter (Inches) Nominal Diameter (mm) Outside Diameter (mm)
Min.              Max.
Outside Diameter over Connection (mm)
Max.
Wall Thickness (mm) Min.              Max. Collapse Resistance (kg/cm2) Length of Threads (mm)
1.
2.
6
7
150
175
165
200
165.4
200.5
173
212
5.7
7.0
6.5
7.8
4.0
4.0
60
70
Table 3. Dimensions & Collapse resistance of “SWATHI” U PVC plain ‘CS’ casing pipe (for deep well)
S. No Nominal Diameter (Inches) Nominal Diameter (mm) Outside Diameter (mm)
Min.              Max.
Wall Thickness (mm) Min.              Max. Collapse Resistance (kg/cm2) Length of Threads (mm)
1.
2.
6
8
150
200
165
225
165.4
225.5
9.5
13.0
10.5
14.2
14.5
14.5
60
70
Application of “SWATHI” Casing Pipes
  1. For domestic tube / bore wells as Casing Pipe.
  2. For agriculture tube / bore wells as Casing Pipe.
II. “SWATHI” PLUMBING & SUCTION PIPES
Swathi Plumbing & Suction Pipes are manufactured as per American Standards. The Dimensions are as shown below.
S. No Nominal Dia. (Inches) Average Nominal Outside  Dia. (mm) Wall Thickness (minimum)
Schedule - 40 Schedule - 80 Schedule - 120
1
2
3
4
5
6
7
8
1/2
3/4
1
1 1/4
1 1/2
2
2 1/2
3
21.33
26.67
33.40
42.20
48.30
60.30
73.00
88.90
2.80
2.87
3.37
3.60
3.70
3.90
5.20
5.50
3.73
3.91
4.54
4.90
5.1’0
5.50
7.00
7.60
4.31
4.31
5.00
5.50
5.70
6.40
7.60
8.90
APPLICATIONS OF SWATHI PLUMBING & SUCTION PIPES
  1. For all Plumbing purposes in domestic / residential water supply.
  2. For hand pumps as suction pipes.
  3. For submersible pumps as suction pipes.
 
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