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CPVC Pipe and Fittings Manufacturers & Suppliers In India - Unitech

Unitech Pipes

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

Product Dimensions

cpvc

CPVC PIPES & FITTINGS STANDARDS

CPVC PIPESCPVC FITTINGS
Class of PipeStandardSizes availableClass of FittingStandardSizes available
Class-1/SDR-11IS:15778 ASTM D 2846½’’ – 2’’SDR – 11ASTM D 2846½’’ – 2’’
Class-2/SDR-13.5IS:15778:2007 ASTM D 2846½’’ – 2’’SCH-40ASTM F 43821/2’’ – 4’’
SCH-40ASTM F 4412 1/2’’ – 8’’SCH-80ASTM F 43921/2’’ – 8’’
SCH-80ASTM F 4412 ½’’ – 8’’Solvent CementASTM 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. NoSize(mm)Outside Diameter(mm)ToleranceMin. Wall thickness(mm)
  Min.Max. SDR- 11SDR – 13.5
115 (1/2”)15.8016.00± 0.081.701.40
220 (3/4”)22.2022.40± 0.082.001.70
325 (1”)28.4028.80± 0.082.602.10
432 (1-1/4”)34.7035.10± 0.083.202.60
540 (1-1/2”)41.1041.50± 0.103.803.10
650 (2”)54.3054.70± 0.104.904.00

DIMENSION DETAIL OF SCH – 40 & SCH – 80 CPVC PIPES AS PER ASTM F 441

Nominal SizeAverage O.D. (mm)ToleranceMin. Wall Thickness (mm)
  SCH 40SCH-80 SCH-40SCH-80
2 1/2”6573.0073.00±0.185.167.01
3”8088.9088.90±0.205.497.62
4”100114.30114.30±0.236.028.56
6”150168.30168.30±0.287.1110.97
8”200219.10219.10±0.388.1812.70

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°c32°c38°c43°c49°c54°c60°c66°c71°c77°c82°c93°c
1/2″ , 3/4″, 1″SDR -1127.6025.1222.6520.3018.0015.9013.8012.5011.049.006.805.52
1 1/4″,1 1/2″ , & 2″SDR-13.521.8019.8017.9016.0514.2012.5510.909.818.727.095.504.36

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)

ClassSize mm(Inch)27°c32°c38°c43°c49°c54°c60°c66°c71°c77°c82°c93°c
SCH -4065 (2-1/2″)21.0919.1917.316.213.7113.0810.559.918.446.755.274.22
80 (3″)18.2816.6414.9914.111.8811.339.148.597.315.854.573.66
100 (4″)15.4714.0812.6811.910.059.597.737.276.194.953.873.09
150(6″)12.6611.5210.389.748.237.856.335.955.064.053.12.53
200(8″)11.210.199.189.187.287.285.65.64.484.482.82.24
SCH -8065(2-1/2″)29.5326.8724.2122.719.1918.3114.7713.8811.819.457.385.91
80(3″)26.0123.6721.332016.9116.1313.0112.2310.418.326.55.2
100(4″)22.520.4718.4517.314.6213.9511.2510.5797.25.624.5
150(6″)19.6917.9116.4115.212.812.219.849.257.876.34.323.94
200(8″)17.515.7514.3514.411.3811.388.758.75774.383.5

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
PROPERTYTESTCONDITIONENGLISH UNITSSI UNITS
GENERAL    
Specific GravityASTM D 79223°C1.551.55
Specific Volume 23°C0.645 Cm3 / g0.645 Cm3 / g
Water AbsorptionASTM D 57023°C+0.03%+0.03%
  100°C+0.55%+0.55%
Rockwell HardnessASTM D78523°C119 
Cell ClassASTM D 1784 23447 
MECHANICAL    
Izod ImpactASTM D 25623°C1.5 ft lbs/in o.n.80 j/m o.n
Tensile strength23°CASTM D 6388000 psi55 N/mm2
Flexural StrengthASTM D 79023°C15,100 psi104 N/mm2
Flexural ModulusASTM D 79023°C415,000 psi2860 N/mm2
Compressive strengthASTM D 69523°C10,100 psi70 N/mm2
Compressive ModulusASTM D 69523°C196,000 psi1350 N/mm2
THERMAL    
Coefficient of Thermal ExpansionASTM D 696  6.1×10-5 m/m/k
Thermal ConductivityASTM C 177  0.14 Wm/k/m2
Heat Distortion TemperatureASTM D 648  103° c
Heat CapacityDSC23°c 0.90 j/gk
  100°c 1.10 J/gk
FLAMMABILITY    
Flammability RatingUL 940.062 in/0.157cmV-0 , 5VB , 5VA 
Flame SpeedASTM E84 15 
Smoke developedASTM E84 70-125 
Limiting Oxygen IndexASTM D 2863 60% 
ELECTRICAL    
Dielectric StrengthASTM D 147 1250 V/mil4,92000 V/cm
Dielectric ConstantASTM D 15060 Hz,-1°c3.73.7
Power FactorASTM D 1501000 Hz0.007 %0.007 %
Volume ResistivityASTM D 25723°c3.4×1015 ohm/cm3.4×1015 ohm/cm