Technical Specifications
Technical Specifications
Technical Specifications: CPVC, UPVC, SWR & Agriculture Pipes & Fittings
Explore nominal sizes, outside diameters, SDR/SOR wall thicknesses, and working pressure ratings at 27°C and 82°C for CPVC, UPVC, SWR, and Agriculture piping systems by Welnor Pipes.
CPVC Plumbing
System
| Nominal Bore (Inch) |
Nominal Size (MM) |
Nominal Outside Thickness (MM) |
SDR-11 Wall Thickness (MM) |
Working Pressure Set Kg/Cm² |
SDR 13.5 Wall Thickness (MM) |
Working Pressure at Kg/Cm² |
||||
|---|---|---|---|---|---|---|---|---|---|---|
| Minimum | Maximum | 27°C | 82°C | Minimum | Maximum | 27°C | 82°C | |||
| 1/2" | 15 | 15.9 | 1.7 | 2.2 | 28.10 | 7.0 | 1.4 | 1.9 | 21.80 | 5.5 |
| 3/4" | 20 | 22.2 | 2.0 | 2.5 | 28.10 | 7.0 | 1.7 | 2.2 | 21.80 | 5.5 |
| 1" | 25 | 28.6 | 2.6 | 3.1 | 28.10 | 7.0 | 2.1 | 2.6 | 21.80 | 5.5 |
| 1 1/4" | 32 | 34.9 | 3.2 | 3.7 | 28.10 | 7.0 | 2.6 | 3.1 | 21.80 | 5.5 |
| 1 1/2" | 40 | 41.3 | 3.8 | 4.3 | 28.10 | 7.0 | 3.1 | 3.6 | 21.80 | 5.5 |
| 2" | 50 | 54.0 | 4.9 | 5.5 | 28.10 | 7.0 | 4.0 | 4.6 | 21.80 | 5.5 |
Technical
Specification of CPVC Pipes as per ASTM F 441
| Nominal Diameter (inch) |
Nominal Diameter (MM) |
Mean Outside Diameter (MM) | Working Pressure SCH 40 Kg/Cm² |
Wall Thickness SCH 40 (MM) |
Working Pressure SCH 80 Kg/Cm² |
Wall Thickness SCH 80 (MM) |
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | Max | At 23°C | At 82°C | Min | Max | At 23°C | At 82°C | Min | Max | ||
| 2 1/2" | 65 | 72.82 | 73.18 | 28.10 | 5.27 | 5.16 | 5.77 | 29.50 | 7.38 | 7.01 | 7.85 |
| 3" | 80 | 88.70 | 89.10 | 18.30 | 4.57 | 5.49 | 6.15 | 26.00 | 6.33 | 7.62 | 8.53 |
| 4" | 100 | 114.53 | 114.53 | 15.40 | 3.87 | 6.02 | 6.73 | 22.50 | 5.62 | 8.56 | 9.58 |
UPVC Plumbing
System
| Nominal Bore (Inch) |
Outside Diameter (MM) |
SCH-40 | SCH-80 | ||||
|---|---|---|---|---|---|---|---|
| Wall Thickness (MM) | Working Pressure | Wall Thickness (MM) | Working Pressure | ||||
| Mpa | Psi | Mpa | Psi | ||||
| 1/2" | 21.34±0.10 | 2.77+0.51 | 4.14 | 600 | 3.73+0.51 | 5.86 | 850 |
| 3/4" | 26.67±0.10 | 2.87+0.51 | 3.31 | 480 | 3.91+0.51 | 4.76 | 690 |
| 1" | 33.40±0.13 | 3.38+0.51 | 3.10 | 450 | 4.55+0.53 | 4.34 | 630 |
| 1 1/4" | 42.16±0.13 | 3.56+0.51 | 2.55 | 370 | 4.85+0.58 | 3.59 | 520 |
| 1 1/2" | 48.26±0.15 | 3.68+0.51 | 2.28 | 330 | 5.08+0.61 | 3.24 | 470 |
| 2" | 60.32±0.15 | 3.91+0.51 | 1.93 | 280 | 5.54+0.66 | 2.76 | 400 |
| 2 1/2" | 73.02±0.18 | 5.16+0.61 | 2.07 | 300 | 7.01+0.84 | 2.90 | 420 |
| 3" | 88.90±0.20 | 5.49+0.66 | 1.79 | 260 | 7.62+0.90 | 2.55 | 370 |
| 4" | 114.30±0.23 | 5.02+0.71 | 1.52 | 220 | 8.56+1.02 | 2.21 | 320 |
SWR Ring Type &
Pasting Type (SELFFIT TYPE)
| Pipe Size (mm) | Socket Length (Self) | Ring Length (Groove) | Mean Outside Diameter (MM) | Wall Thickness Type "A" | Wall Thickness Type "B" | |||
|---|---|---|---|---|---|---|---|---|
| Minimum | Maximum | Min. | Max. | Min. | Max. | |||
| 40 | 26.0 | 36 | 40.0 | 40.3 | 1.8 | 2.2 | 3.2 | 3.8 |
| 50 | 30.0 | 38 | 50.0 | 50.3 | 1.8 | 2.2 | 3.2 | 3.8 |
| 63 | 36.0 | 41 | 63.0 | 63.3 | 1.8 | 2.2 | 3.2 | 3.8 |
| 75 | 40.0 | 45 | 75.0 | 75.3 | 1.8 | 2.2 | 3.2 | 3.8 |
| 90 | 46.0 | 51 | 90.0 | 90.3 | 1.9 | 2.3 | 3.2 | 3.8 |
| 110 | 48.0 | 58 | 110.0 | 110.4 | 2.2 | 2.7 | 3.2 | 3.8 |
| 125 | 51.0 | 63 | 125.0 | 125.4 | 2.5 | 3.0 | 3.2 | 3.8 |
| 140 | 54.0 | 68 | 140.0 | 140.5 | 2.9 | 3.4 | 3.6 | 4.2 |
| 160 | 58.0 | 74 | 160.0 | 160.5 | 3.2 | 3.8 | 4.0 | 4.6 |
| Fitting Size (mm) | Wall Thickness at Plain End (mm) Minimum |
Wall Thickness at Socket (mm)
Minimum e2 |
Wall Thickness at Socket (mm) Minimum e3 |
Max Length of Beading & Neak
A |
Min Neak Length of Socket
B |
Min Length of Beading
C |
Inside Diameter of Socket at Midpoint (MM) | Inside Diameter of Socket at Midpoint (MM) | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Minimum | Maximum | Minimum | Maximum | |||||||
| 75 | 3.20 | 2.90 | 2.40 | 20 | 5 | 25 | 75.10 | 76.20 | 75.00 | 75.30 |
| 90 | 3.20 | 2.90 | 2.40 | 23 | 5 | 27 | 90.10 | 91.20 | 90.00 | 75.30 |
| 110 | 3.20 | 2.90 | 2.40 | 26 | 6 | 32 | 110.10 | 111.30 | 110.00 | 75.30 |
| 160 | 4.00 | 3.60 | 3.00 | 32 | 9 | 42 | 160.20 | 160.50 | 160.00 | 75.30 |
Agricultural Piping System
| Nominal Outside Diameter Nominal Size | Socket Length | Mean Outside Diameter | Outside Diameter at Any Point | Wall Thickness | Mean Stock Internal Diameter of Mid Point of Socket | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Class 1 / 0.25 Mpa / 2.5 Kg/Cm² | Class 2 / 0.40 Mpa / 4.0 Kg/Cm² | Class 3 / 0.60 Mpa / 6.0 Kg/Cm²² | Class 5 / 1.00 Mpa / 10.0 Kg/Cm² | ||||||||||||
| Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | ||
| 40 | 26.0 | 40.0 | 40.3 | 39.5 | 40.5 | - | - | - | - | 1.4 | 1.8 | 2.2 | 2.7 | 40.1 | 40.3 |
| 50 | 31.0 | 50.0 | 50.3 | 49.4 | 50.6 | - | - | - | - | 1.7 | 2.1 | 2.8 | 3.3 | 50.1 | 50.3 |
| 63 | 37.5 | 63.0 | 63.3 | 62.2 | 63.8 | - | - | 1.5 | 1.9 | 2.2 | 2.7 | 3.5 | 4.1 | 63.1 | 63.3 |
| 75 | 43.5 | 75.0 | 75.3 | 74.1 | 75.9 | - | - | 1.8 | 2.2 | 2.6 | 3.1 | 4.2 | 4.9 | 75.1 | 75.3 |
| 90 | 51.0 | 90.0 | 90.3 | 88.9 | 91.1 | 1.3 | 1.7 | 2.1 | 2.6 | 3.1 | 3.7 | 5.0 | 5.7 | 90.1 | 90.3 |
| 110 | 61.0 | 110.0 | 110.4 | 108.6 | 111.4 | 1.6 | 2.0 | 2.5 | 3.0 | 3.7 | 4.3 | 6.1 | 7.1 | 110.1 | 110.4 |
| 125 | 68.5 | 125.0 | 125.4 | 123.5 | 126.5 | 1.8 | 2.2 | 2.9 | 3.4 | 4.3 | 5.0 | 6.9 | 8.0 | 125.1 | 125.4 |
| 140 | 76.0 | 140.0 | 140.5 | 138.3 | 141.7 | 2.0 | 2.4 | 3.2 | 3.8 | 4.8 | 5.5 | 7.7 | 8.0 | 140.2 | 140.5 |
| 160 | 86.0 | 160.0 | 160.5 | 158.0 | 162.0 | 2.3 | 2.8 | 3.7 | 4.3 | 5.4 | 6.2 | 8.8 | 10.2 | 160.2 | 160.5 |
| 180 | 96.0 | 180.0 | 180.6 | 177.8 | 182.2 | 2.6 | 3.1 | 4.2 | 4.9 | 6.1 | 7.1 | 9.9 | 11.4 | 180.2 | 180.5 |
| 200 | 106.0 | 200.0 | 200.6 | 197.6 | 202.4 | 2.9 | 3.4 | 4.6 | 5.3 | 6.8 | 7.9 | 11.0 | 12.7 | 200.3 | 200.6 |
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