Is 4984 PDF 2016 Free Download? A Guide to Polyethylene Pipes for Water Supply
If you are looking for a reliable and efficient solution for water supply, you might want to consider polyethylene pipes. Polyethylene pipes are made of a plastic material that has excellent properties for conveying water. They are widely used in various applications such as domestic, industrial, agricultural, and municipal water supply systems.
But before you decide to use polyethylene pipes, you need to know the standards and specifications that govern their quality and performance. One of the most important standards for polyethylene pipes in India is IS 4984:2016. This standard specifies the requirements and methods of test for polyethylene pipes for water supply.
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In this article, we will explain what IS 4984:2016 is and why it is important. We will also show you how to download IS 4984:2016 PDF for free. Then, we will discuss the features and specifications of polyethylene pipes for water supply according to IS 4984:2016. Finally, we will highlight the applications and advantages of polyethylene pipes for water supply.
Polyethylene Pipes for Water Supply: Features and Specifications
Polyethylene pipes for water supply are classified according to their material grades, pressure ratings, standard dimension ratio (SDR), nominal size (DN), wall thickness (e), unit weight (UW), physical, mechanical, and thermal properties. These features and specifications are defined by IS 4984:2016 as follows:
Material grades and pressure ratings
IS 4984:2016 specifies three material grades for polyethylene pipes: PE 63, PE 80, and PE 100. These grades indicate the minimum required strength (MRS) of the polyethylene material at 20C for a minimum of 50 years. The MRS values are as follows:
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PE 63: MRS = 6.3 MPa
PE 80: MRS = 8.0 MPa
PE 100: MRS = 10.0 MPa
The pressure rating (PN) of a polyethylene pipe indicates the maximum allowable working pressure (MAWP) of the pipe at a reference temperature of 20C. The PN values are related to the material grade and the SDR as shown in Table A1 of IS 4984:2016. The PN values range from PN 2 to PN 20.
Standard dimension ratio and nominal size
The standard dimension ratio (SDR) of a polyethylene pipe is the ratio of the nominal outside diameter (OD) to the nominal wall thickness (e). The SDR values are related to the material grade and the PN as shown in Table A1 of IS 4984:2016. The SDR values range from SDR 41 to SDR 6.
The nominal size (DN) of a polyethylene pipe is the nominal outside diameter (OD) rounded off to the nearest whole number. The DN values are related to the OD and the SDR as shown in Table A2 of IS 4984:2016. The DN values range from DN 16 to DN 1000.
Wall thickness and unit weight
The wall thickness (e) of a polyethylene pipe is the minimum thickness of the pipe wall measured at any point. The e values are related to the OD and the SDR as shown in Table A2 of IS 4984:2016. The e values range from 0.4 mm to 94.1 mm.
The unit weight (UW) of a polyethylene pipe is the weight of the pipe per unit length. The UW values are related to the OD and the e as shown in Table A3 of IS 4984:2016. The UW values range from 0.11 kg/m to 138.9 kg/m.
Physical, mechanical, and thermal properties
IS 4984:2016 specifies the physical, mechanical, and thermal properties of polyethylene pipes for water supply as follows:
Density: The density of the polyethylene material shall be not less than 930 kg/m3 when measured at 23C according to IS 7328:1992.
Melt flow rate: The melt flow rate (MFR) of the polyethylene material shall be within the limits specified in Table 1 of IS 4984:2016 for each material grade when measured at 190C and 5 kg load according to IS 2530:1963.
Oxidation induction time: The oxidation induction time (OIT) of the polyethylene material shall be not less than 20 minutes when measured at 200C according to IS/ISO 11357-6:2013.
Carbon black content: The carbon black content of the polyethylene material shall be within the range of 2.25% to 2.75% when measured according to IS/ISO 6964:2004.
Carbon black dispersion: The carbon black dispersion of the polyethylene material shall be not less than grade 3 when assessed according to IS/ISO 18553:2002.
Reversion: The reversion of the polyethylene pipe shall be not more than 3% when measured at 110C for 1 hour according to IS/ISO 2505:2005.
Longitudinal reversion: The longitudinal reversion of the polyethylene pipe shall be not more than 5% when measured at 110C for 1 hour according to IS/ISO 2505:2005.
Hydrostatic strength: The hydrostatic strength of the polyethylene pipe shall meet the requirements specified in Table 2 of IS 4984:2016 for each material grade and PN when tested at various temperatures and pressures according to IS/ISO 1167-1:2006 and IS/ISO 1167-2:2006.
Resistance to rapid crack propagation: The resistance to rapid crack propagation (RCP) of the polyethylene pipe shall meet the requirements specified in Table A4 of IS 4984:2016 for each material grade and SDR when tested according to IS/ISO 13477:2008.
Resistance to slow crack growth: The resistance to slow crack growth (SCG) of the polyethylene pipe shall meet the requirements specified in Table A5 of IS 4984:2016 for each material grade when tested according to IS/ISO 13479:2009.
Thermal stability: The thermal stability of the polyethylene pipe shall be not less than 20 minutes when measured at 200C according to IS/ISO 11357-6:2013.
Thermal expansion coefficient: The thermal expansion coefficient of the polyethylene pipe shall be within the range of 1.3 x 10-4 to 2.0 x 10-4 K-1 when measured according to IS/ISO 11359-2:1999.
Thermal conductivity: The thermal conductivity of the polyethylene pipe shall be within the range of 0.38 to 0.42 W/mK when measured according to IS/ISO 22007-2:2015.
Specific heat capacity: The specific heat capacity of the polyethylene pipe shall be within the range of 1900 to 2300 J/kgK when measured according to IS/ISO 22007-4:2008.
Polyethylene Pipes for Water Supply: Applications and Advantages
Polyethylene pipes for water supply are suitable for various applications and environments such as:
Potable water supply in urban and rural areas
Industrial water supply for cooling, process, and fire-fighting purposes
Agricultural water supply for irrigation, drainage, and livestock watering
Municipal water supply for distribution, sewerage, and stormwater management
Marine water supply for offshore platforms, desalination plants, and aquaculture
Polyethylene pipes for water supply have many advantages over other types of pipes such as:
Durable: Polyethylene pipes have a long service life of more than 50 years and can withstand high pressures, impacts, and loads.
Flexible: Polyethylene pipes can bend and adapt to the terrain and soil movements without cracking or breaking.
Resistant: Polyethylene pipes are resistant to corrosion, abrasion, and chemicals and do not require any coating or lining.
Easy to install, join, and maintain: Polyethylene pipes are lightweight and easy to handle, transport, and cut. They can be joined by various methods such as butt fusion, electrofusion, socket fusion, or mechanical fittings. They do not require any special tools or equipment for installation or maintenance.
Cost-effective and energy-efficient: Polyethylene pipes have a low initial cost and a low operating cost. They have a smooth inner surface that reduces friction losses and energy consumption. They also reduce water losses due to leaks or bursts.
Conclusion
In conclusion, IS 4984:2016 is an important standard that specifies the requirements and methods of test for polyethylene pipes for water supply in India. It defines the features and specifications of polyethylene pipes such as material grades, pressure ratings, standard dimension ratio, nominal size, wall thickness, unit weight, physical, mechanical, and thermal properties. It also ensures the quality and performance of polyethylene pipes for water supply.
Polyethylene pipes for water supply are a reliable and efficient solution for various applications and environments such as domestic, industrial, agricultural, and municipal water supply systems. They have many benefits such as durability, flexibility, resistance, ease of installation, joining, and maintenance, cost-effectiveness, and energy-efficiency.
If you are interested in using polyethylene pipes for water supply, you can download IS 4984:2016 PDF for free from this link . You can also contact us for more information about polyethylene pipes and our products and services.
FAQs
Here are some frequently asked questions about polyethylene pipes for water supply:
What is the difference between PE 63, PE 80, and PE 100 grades?
The difference between PE 63, PE 80, and PE 100 grades is the minimum required strength (MRS) of the polyethylene material at 20C for a minimum of 50 years. The higher the MRS value, the higher the pressure rating (PN) of the pipe. For example, a PE 100 pipe can withstand higher pressures than a PE 63 pipe.
What is the meaning of SDR and PN in polyethylene pipes?
The meaning of SDR and PN in polyethylene pipes is as follows:
SDR: Standard dimension ratio, which is the ratio of the nominal outside diameter (OD) to the nominal wall thickness (e) of the pipe. The lower the SDR value, the thicker the pipe wall and the higher the pressure rating (PN) of the pipe.
PN: Pressure rating, which is the maximum allowable working pressure (MAWP) of the pipe at a reference temperature of 20C. The higher the PN value, the higher the pressure that the pipe can withstand.
How to choose the right polyethylene pipe for water supply?
To choose the right polyethylene pipe for water supply, you need to consider the following factors:
The water quality and quantity that you need to convey
The operating temperature and pressure of the water supply system
The soil and environmental conditions where the pipe will be installed
The installation and maintenance costs and requirements
The availability and compatibility of the pipe fittings and accessories
You can use Table A1 of IS 4984:2016 to select the appropriate material grade, pressure rating, and standard dimension ratio for your polyethylene pipe. You can also consult with us for expert advice and guidance.
How to store and handle polyethylene pipes?
To store and handle polyethylene pipes, you need to follow these guidelines:
Store the pipes in a cool, dry, and shaded place away from direct sunlight, heat sources, and chemicals
Support the pipes on a flat and even surface with adequate spacing and ventilation
Avoid dragging, dropping, or damaging the pipes during loading, unloading, or transportation
Use proper lifting equipment and techniques to handle the pipes safely and securely
Inspect the pipes for any defects or damages before installation and report any issues to us immediately
Where to find more information about polyethylene pipes?
If you want to find more information about polyethylene pipes, you can visit our website or contact us directly. We are a leading manufacturer and supplier of polyethylene pipes for water supply in India. We offer high-quality products and services at competitive prices. We also provide technical support and after-sales service to our customers. We are happy to answer any questions or queries that you may have about polyethylene pipes. 44f88ac181
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