Longevity and resilience beyond par
CPVC Pipes & Fittings Manufacturers in India
UNITECH CPVC Pipes are made of Chlorinated Polyvinyl Chloride as per the latest industrial norms set by the Bureau of Indian Standards. The reason CPVC pipes are preferred over conventional PVC as the former is much more flexible and can withstand much higher temperatures.
The biggest advantage is they are quick to install with no issue of corrosion, leakage, scaling, or pitting. UNITECH CPVC Pipes are ideal for water supply of both hot and cold water. With the latest technology and greats efforts put in innovation and design, we at UNITECH PVC Pipes have manufactured CPVC Pipes that are unaffected by aggressive harsh water and doesn’t allow any mineral deposits on the inner surface of the pipe. We assure that our esteemed clients will get the best quality product with us.
Unitech CPVC Pipes Prominent Features:
- Energy efficient
- Abrasion & Corrosion Resistant
- Durable and Resistant
- Leakage Proof
CPVC Pipe Manufacturer
India needs strong plumbing and water distribution systems to provide a reliable and efficient supply of clean water to meet the needs of the increasing population. These systems ensure access to safe drinking water for the growing population across the length and breadth of the country. Unitech, a leading and prominent CPVC pipe manufacturer, manufactures the best quality CPVC pipes. These pipes ensure a 100% reliable and efficient supply of clean and potable water that reaches every household and reduces the risk of waterborne diseases that threaten public health.
Why Choose Unitech?
For your next residential or commercial project for plumbing and water distribution systems, you have to choose Unitech as your trusted CPVC Pipe Manufacturer for the following reasons:
Commendable Sustainability and Environmental Responsibility: Being the top manufacturer comes with a sense of responsibility to follow good environmental practices. These practices ensure Unitech’s manufacturing team prioritizes resource conservation, waste reduction, and energy efficiency in their production processes. They are one of the proud CPVC pipe manufacturers with eco-friendly options with lower environmental impact.
Largest Distribution Network: Our CPVC pipes adhere to all the latest and relevant standards and certifications from recognized testing agencies such as ASTM (American Society for Testing and Materials). We leave no stone unturned to ensure every pipe and fitting manufactured meets the necessary safety, performance, and quality requirements. The unbeatable quality manufactured by us has gained us the trust of millions of clients worldwide. We have an extensive distribution network of over 1800+ distributors to meet their demands proficiently. Yes, with the number increasing rapidly as India heads to creating efficient and long-lasting plumbing and water distribution systems. These systems ensure smooth and reliable water delivery that meet the needs of residential, commercial, and industrial settings.
Undivided Focus On Breakthrough R&D: We are here to bring a difference that benefits everyone and, most importantly, the coming generations. We invest in significant R&D to innovate and improve our current product offerings. The team is focused on exploring new technologies, materials, and manufacturing processes that offer long-term sustainability with enhanced performance, durability, and efficiency.
Product Dimensions
CPVC PIPES & FITTINGS STANDARDS
| CPVC PIPES | CPVC FITTINGS | ||||
|---|---|---|---|---|---|
| Class of Pipe | Standard | Sizes available | Class of Fitting | Standard | Sizes available |
| Class-1/SDR-11 | IS:15778 ASTM D 2846 | ½’’ – 2’’ | SDR – 11 | ASTM D 2846 | ½’’ – 2’’ |
| Class-2/SDR-13.5 | IS:15778:2007 ASTM D 2846 | ½’’ – 2’’ | SCH-40 | ASTM F 438 | 21/2’’ – 4’’ |
| SCH-40 | ASTM F 441 | 2 1/2’’ – 8’’ | SCH-80 | ASTM F 439 | 21/2’’ – 8’’ |
| SCH-80 | ASTM F 441 | 2 ½’’ – 8’’ | Solvent Cement | ASTM F 493 | |
CPVC PIPES TECHNICAL DETAILS
Dimensional detail of SDR-11 (Class-1) and SDR -13.5 (Class – 2)
CPVC Pipes Conforming to IS: 15778:2007
| Sr. No | Size(mm) | Outside Diameter(mm) | Tolerance | Min. Wall thickness(mm) | ||
|---|---|---|---|---|---|---|
| Min. | Max. | SDR- 11 | SDR – 13.5 | |||
| 1 | 15 (1/2”) | 15.80 | 16.00 | ± 0.08 | 1.70 | 1.40 |
| 2 | 20 (3/4”) | 22.20 | 22.40 | ± 0.08 | 2.00 | 1.70 |
| 3 | 25 (1”) | 28.40 | 28.80 | ± 0.08 | 2.60 | 2.10 |
| 4 | 32 (1-1/4”) | 34.70 | 35.10 | ± 0.08 | 3.20 | 2.60 |
| 5 | 40 (1-1/2”) | 41.10 | 41.50 | ± 0.10 | 3.80 | 3.10 |
| 6 | 50 (2”) | 54.30 | 54.70 | ± 0.10 | 4.90 | 4.00 |
DIMENSION DETAIL OF SCH – 40 & SCH – 80 CPVC PIPES AS PER ASTM F 441
| Nominal Size | Average O.D. (mm) | Tolerance | Min. Wall Thickness (mm) | |||
|---|---|---|---|---|---|---|
| SCH 40 | SCH-80 | SCH-40 | SCH-80 | |||
| 2 1/2” | 65 | 73.00 | 73.00 | ±0.18 | 5.16 | 7.01 |
| 3” | 80 | 88.90 | 88.90 | ±0.20 | 5.49 | 7.62 |
| 4” | 100 | 114.30 | 114.30 | ±0.23 | 6.02 | 8.56 |
| 6” | 150 | 168.30 | 168.30 | ±0.28 | 7.11 | 10.97 |
| 8” | 200 | 219.10 | 219.10 | ±0.38 | 8.18 | 12.70 |
WORKING PRESSURE DETAIL OF SDR – 11 & SDR – 13.5 CPVC PIPE
Pressure vs. Temperature rating Chart for CPVC 4120 as per ASTM D 2846
| Operating Temperature | 27°c | 32°c | 38°c | 43°c | 49°c | 54°c | 60°c | 66°c | 71°c | 77°c | 82°c | 93°c | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2″ , 3/4″, 1″ | SDR -11 | 27.60 | 25.12 | 22.65 | 20.30 | 18.00 | 15.90 | 13.80 | 12.50 | 11.04 | 9.00 | 6.80 | 5.52 |
| 1 1/4″,1 1/2″ , & 2″ | SDR-13.5 | 21.80 | 19.80 | 17.90 | 16.05 | 14.20 | 12.55 | 10.90 | 9.81 | 8.72 | 7.09 | 5.50 | 4.36 |
Note: The above pressure rating does not reflect the superior pressure ratings available for Flowline Plus system.Ajay recommends that these pressure ratings only be used till the upgraded material is incorporated in the relevant standards.
WORKING PRESSURE DETAIL OF SCH-40 & SCH – 80 PIPE
Pressure vs. Temperature rating Chart for CPVC 4120 as per ASTM F 441
Temperature (°C)
| Class | Size mm(Inch) | 27°c | 32°c | 38°c | 43°c | 49°c | 54°c | 60°c | 66°c | 71°c | 77°c | 82°c | 93°c |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SCH -40 | 65 (2-1/2″) | 21.09 | 19.19 | 17.3 | 16.2 | 13.71 | 13.08 | 10.55 | 9.91 | 8.44 | 6.75 | 5.27 | 4.22 |
| 80 (3″) | 18.28 | 16.64 | 14.99 | 14.1 | 11.88 | 11.33 | 9.14 | 8.59 | 7.31 | 5.85 | 4.57 | 3.66 | |
| 100 (4″) | 15.47 | 14.08 | 12.68 | 11.9 | 10.05 | 9.59 | 7.73 | 7.27 | 6.19 | 4.95 | 3.87 | 3.09 | |
| 150(6″) | 12.66 | 11.52 | 10.38 | 9.74 | 8.23 | 7.85 | 6.33 | 5.95 | 5.06 | 4.05 | 3.1 | 2.53 | |
| 200(8″) | 11.2 | 10.19 | 9.18 | 9.18 | 7.28 | 7.28 | 5.6 | 5.6 | 4.48 | 4.48 | 2.8 | 2.24 | |
| SCH -80 | 65(2-1/2″) | 29.53 | 26.87 | 24.21 | 22.7 | 19.19 | 18.31 | 14.77 | 13.88 | 11.81 | 9.45 | 7.38 | 5.91 |
| 80(3″) | 26.01 | 23.67 | 21.33 | 20 | 16.91 | 16.13 | 13.01 | 12.23 | 10.41 | 8.32 | 6.5 | 5.2 | |
| 100(4″) | 22.5 | 20.47 | 18.45 | 17.3 | 14.62 | 13.95 | 11.25 | 10.57 | 9 | 7.2 | 5.62 | 4.5 | |
| 150(6″) | 19.69 | 17.91 | 16.41 | 15.2 | 12.8 | 12.21 | 9.84 | 9.25 | 7.87 | 6.3 | 4.32 | 3.94 | |
| 200(8″) | 17.5 | 15.75 | 14.35 | 14.4 | 11.38 | 11.38 | 8.75 | 8.75 | 7 | 7 | 4.38 | 3.5 |
Note: The above pressure ratings does not reflect the superior pressure ratings available for Flowline Plus systems. Ajay recommends that these pressure ratings only be used till the upgraded material is incorporated in the relevant standards
BASIC PROPERTIES OF CPVC
| BASIC PHYSICAL PROPERTIES | ||||
|---|---|---|---|---|
| PROPERTY | TEST | CONDITION | ENGLISH UNITS | SI UNITS |
| GENERAL | ||||
| Specific Gravity | ASTM D 792 | 23°C | 1.55 | 1.55 |
| Specific Volume | 23°C | 0.645 Cm3 / g | 0.645 Cm3 / g | |
| Water Absorption | ASTM D 570 | 23°C | +0.03% | +0.03% |
| 100°C | +0.55% | +0.55% | ||
| Rockwell Hardness | ASTM D785 | 23°C | 119 | |
| Cell Class | ASTM D 1784 | 23447 | ||
| MECHANICAL | ||||
| Izod Impact | ASTM D 256 | 23°C | 1.5 ft lbs/in o.n. | 80 j/m o.n |
| Tensile strength | 23°C | ASTM D 638 | 8000 psi | 55 N/mm2 |
| Flexural Strength | ASTM D 790 | 23°C | 15,100 psi | 104 N/mm2 |
| Flexural Modulus | ASTM D 790 | 23°C | 415,000 psi | 2860 N/mm2 |
| Compressive strength | ASTM D 695 | 23°C | 10,100 psi | 70 N/mm2 |
| Compressive Modulus | ASTM D 695 | 23°C | 196,000 psi | 1350 N/mm2 |
| THERMAL | ||||
| Coefficient of Thermal Expansion | ASTM D 696 | 6.1×10-5 m/m/k | ||
| Thermal Conductivity | ASTM C 177 | 0.14 Wm/k/m2 | ||
| Heat Distortion Temperature | ASTM D 648 | 103° c | ||
| Heat Capacity | DSC | 23°c | 0.90 j/gk | |
| 100°c | 1.10 J/gk | |||
| FLAMMABILITY | ||||
| Flammability Rating | UL 94 | 0.062 in/0.157cm | V-0 , 5VB , 5VA | |
| Flame Speed | ASTM E84 | 15 | ||
| Smoke developed | ASTM E84 | 70-125 | ||
| Limiting Oxygen Index | ASTM D 2863 | 60% | ||
| ELECTRICAL | ||||
| Dielectric Strength | ASTM D 147 | 1250 V/mil | 4,92000 V/cm | |
| Dielectric Constant | ASTM D 150 | 60 Hz,-1°c | 3.7 | 3.7 |
| Power Factor | ASTM D 150 | 1000 Hz | 0.007 % | 0.007 % |
| Volume Resistivity | ASTM D 257 | 23°c | 3.4×1015 ohm/cm | 3.4×1015 ohm/cm |
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