FOREWORD. Issam Kairy Kabbani. Chairman of IKK Group of Companies

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2 FOREWORD New Products Industries (Nepro), National Factory for Plastic pipes and fittings took the early initiative in 1969 of introducing upvc pipes production to the Saudi Market, becoming the first Saudi local upvc pipes manufacturer. Ever since Nepro implemented a strict policy of providing high quality upvc pipes manufactured under strict quality control for the growing market. Nepro had committed itself to install most modern machinery, acquiring the best technical know how besides its highly qualified technical staff. Nepro at the early stages introduced to the Saudi market upvc pipes manufactured according to Bristish Standard namely BS 3505, followed by ISO upvc pipes. Nepro worked actively with Saudi Arabian Standard Organization (SASO) on a new Saudi Standard in early 70s until the SAS 14 and 15 came to effect, upvc pipes were then manufactured to SASO standard, followed by the introduction of ASTM rigid PVC and the production of ASTM conduit pipes as well as CPVC pipes for Hot and Cold water systems. Early 90 's had seen two very important development at Nepro, the expansion of factory area by 50 of it original space and its association with B.F. Goodrich world leader of CPVC raw materials manufacturer to produce under their license the new Nepro FlowGuard CPVC pipes and fittings. Nepro pipes and fittings are marketed locally by National Marketing Establishment through its ten (10) fully established branches and overseas through a number of appointed agents.nepro is committed to the welfare and development of Saudi Arabia and other GCC Countries building and infrastructure sectors through manufacturing and introducing high quality products to the end user. Issam Kairy Kabbani Chairman of IKK Group of Companies 2

3 Nepro ASTM standard Rigid PVC pipes are manufactured at our Jeddah Factory to meet the ever growing demand in the Commercial, Housing, Irrigation and Industrial sectors as well as the various amenities in the Kingdom of Saudi Arabia. To assure Nepro clients of its quality over finished products, Factory is maintaining through out its operation a Quality Assure System based on ISO 9002 over raw materials as well as finished products to guarantee the right products for a safe, tough & reliable system. Nepro materials fully meet or exceed the requirements of class B in accordance with ASTM D 1784 Type 1, Grade 1 compound designated as PVC NEPRO RIGID PVC PIPES PHYSICAL DIMENSIONS A PVC Pipes schedule 40 (white) and schedule 80 (grey) series meet the requirements of ASTM standard specification ASTM D B PVC SDR Pipes (white) series meet the requirements of ASTM D 2241 C PVC DWV Pipes (Drain, Waste and Vent) (White) series meet the requirements of ASTM D NEPRO PVC PIPES RANGE Nepro ASTM Rigid PVC Pipes are offered between ½ inch through 8 inch diameters. MARKETING Nepro ASTM PVC Pipes are marked as prescribed in the various ASTM standards indicating manufacturer name, material designation code, nominal pipe size, schedule size with pressure rating in PSI water at 73 0 F and manufacturing date as follows. ¾ PVC 1120 Sch PSI for water at 73 F ASTM 1785 NEPRO Jeddah KSA APPLICATIONS Nepro ASTM Rigid PVC Pipes are suitable for: Cold drinking water, irrigation systems, internal & external drainage (DWV) systems, as well as ventilation systems. Nepro ASTM Rigid PVC pipes are suitable and compatible with ASTM standard fittings. Nepro ASTM Rigid PVC Pipes approval includes: Saudi Aramco, Sceco,Royal Commission, Sabic, Hotels, Industrial Factories and several Consulting offices as well as ministries, etc. 3

4 PROPERTIES OF NEPRO ASTM PVC PIPES Table 1 All values are registered at 23 0 C (73 0 F) Properties Mechanical Test Method as per ASTM Unit Values Tensile 73 0 F D-638 PSI 7,500 7,280 Modulus of Elasticity in 73 0 F D-639 PSI 420,00 Comprehensive 73 0 F D-695 PSI 9,600 Flexural 73 0 F D-790 PSI 12,700 Izod 73 0 F D F D-2240 D-785 Ft-Lbs/In Of Notch 0.65 Durometer D Rockwell R Thermal Properties Coefficient of Thermal Linear D-696 In/in/ 0 F 2.8x10-5 Expansion per 0 F Thermal Conductivity D-177 BTY/hr/ft 2 / 0 F/in 1.3 Max. Operating Temp. 0 F 140 Heat Deflection 264 PSI D F 158 Electrical Properties Dielectric Strength D-147 Volts/Mil 1400 Dielectric Constant F D Special Volume 73 0 F D-257 Ohms/cm 3-5 x10 15 General Properties Specific Gravity D-792 g/cc 1.42 Water Absorption D-570 % <0.05% Cell Designation D B Flame Spread E-84 < 25 Poison s 73 0 F 0.38 Smoke Density 500 Friction Coefficient Hazen William Factor C 150 4

5 DIMENSIONAL SPECIFICATION Dmintions in table # 2 is based on ASTM D 1785 and ASTM D 2665 Table # 2 Schedule 40 Schedule 80 Pipe size Outside Dimameter Min. Wall weight Max W.P Min Wall weight Max W.P Inch Inch mm Inch mm kg./m PSI Inch mm kg./m PSI ½ ¾ ¼ ½ ½ Size and dimension of schedule 40 pipes fully confirm the requirements of ASTM D 2665 Dmintions in table # 3 is based on ASTM 2241 SDR 32.5 SDR 26 SDR 21 SDR 17 SDR 13.5 Table # 3 W.P : 125 PSI W.P : 160 PSI W.P : 200 PSI W.P : 250 PSI W.P : 315 PSI Bars :8.6 Bars :11 Bars :13.8 Bars :17.2 Bars :21.7 Pipe size Outside Dimameter Min. Wall Min. Wall Min. Wall Min. Wall Max W.P Inch mm Inch mm Inch Inch Inch PSI Inch mm Inch mm Inch mm ½ ¾ ¼ ½ The maximum pressure rating given above is based on water at 73 F at 23 C and for unthreaded pipes. TEMPRATURE PRESSURE RELATIONSHIP In case of operating Temperature is above 73 0 F / 23 0 C, working pressure must be derated as shown in Table # 4. Temperature Correction Factor Table # 4 0 C Operating Temperature( 0 F) % Correction Not Recommended 5

6 ADVANTAGES OF NEPRO PIPES OVER CONVENTIONAL PIPING MATERIALS Corrosion Resistance - Nepro PVC pipes are chemically resistance to nearly all acids, Alkalis, Alcohol, halogens as well as many other corrosive fluids. Being non-conductor of electricity, it eliminates galvanic or electrolytic corrosion which is the cause of expensive repairs. Fluid Friction - Nepro PVC pipes being a mirror-smooth inner surface has lower friction loss as compared to metals. ie. Lower pressure losses. Thermal Conductivity - Nepro PVC pipes lower thermal conductivity than for metal which reduces heat losses and offer better uniform fluid temperature (Insulation is normally not required). Mechanical Strength - Nepro PVC pipes have great strength yet are flexible to withstand displacement in the pipe lines. Pipes are not dented or flattened under pressure. Weight - Nepro PVC pipes are light in weight, having a specific weight which is one fifth of steel pipes. This will cut down transportation costs and facilitate pipes installation. Ease of Installation & Maintenance - Nepro PVC pipes are quick and easy to install and maintained with complete range of solvent cement fittings saving time, effort and money as it is light in weight and easy to handle. Fire Proof - Nepro PVC pipes do not support combustion and are self extinguishing. In case of fire, flames are unable to travel along the pipe. Non-Toxic - Nepro PVC pipes are non-toxic and will not affect taste, smell or color of drinking water or any other liquid. H A N D L I N G & S T O R A G E OF P V C P I P E S Nepro PVC pipes should be adequately supported during handling and storage, pipes should not come into severe contact with sharp objects such as corners of truck beds, buildings, forklift trucks or other obstacle on the ground. Forklifts forks must never be inserted into the ends of pipes as a means of lifting or moving. Pipes to be stacked in layers with the socket, placed at alternative ends with socket protruding outside. PVC Pipes should not be exposed to solar radiation for any length of time, ultraviolet rays may cause discoloration. It is recommend to stock pipes in a cool ventilated and shady palce. For in field storage, where racks are not available, the ground should be leveled flat, free from coarse stones and dry. Pipes stored should not exceed 1.5 meter height. 6

7 SOLVENT WELDING PVC PIPES AND FITTINGS INITIAL SET TIMS FOR SOLVENT CEMENT Temperature Range Pipe Sizes ½ to 1 ¼ Pipe Sizes 1 ½ to 2 Pipe Sizes 2½ to F 2 minutes 3 minutes 30 minutes F 5 minutes 8 minutes 2 hours F 10 minutes 15 minutes 12 hours *Note: Initial set schedule is the necessary time to allow before the joint can be carefully handled. RELATIVE HUMIDITY 60% OR LESS Temperature Range During Assembly and cure periods RECOMMENDED JOINT CURING CHART Test Pressures for Pipe Test Pressures for Sizes Pipe Sizes ½ to 1 ¼ 1 ½ to 3 Up to 180 psi Above 180 to 370 psi Up to 180 psi Above 180 to 315 psi Test Pressures for Pipe Sizes 4 to 8 Up to 180 psi Above 180 to 315 psi F 1 hr. 6 hrs 2 hrs 12 hrs 6 hrs 24 hrs F 2 hr. 12 hrs 4 hrs 24 hrs 12 hrs 48 hrs F 8 hr. 48 hrs 16 hrs 96 hrs 48 hrs 8 days In damp or humid weather allow 50% more cure time. *NOTE: Joint cure schedule is the necessary time to allow before pressurizing system. AVERAGE NUMBER OF JOINTS/QUART OF CEMENT PIPE DIAMETER ½ ¾ 1 11/ NUMBER OF JOINTS *NOTE: All above figures are estimates. 7

8 HYDROSTATIC PRESSURE TESTING 1. The last assembled joint should be fully cured before filling the system with water. 2. All valves and air relief mechanisms should be opened at the ends and elevations. The system should be filled slowly, flow velocities should not exceed 1 foot per second. This will prevent surge, water hammer, and air entrapment. 3. Water flow should continue until all entrapped air is completely flushed out of every branch of the system. Maintain the 1 ft/s velocity until every valve is checked. A rapidly fluctuating gauge needle during pressure rise may be an indication that entrapped air still remains in the system. System should include the appropriate air relief and vacuum breaker valves to vent air during normal operation after installation. Entrapped air is major cause of surge and burst failure in plastic piping systems. 4. After filing the system, do not pressurize until the responsible engineer is present to witness the test. All personnel in the vicinity of the system should wear safety glasses and hard hats. High voltage electrical equipment should be shield from a possible spray. 5. The piping, system should be pressurized to 125% of its maximum design operating pressure. This pressure must not exceed the working pressure of the lowest rated component in the system, i.e.. flanges, unions, thread parts, valves, etc. 6. The pressure test should not exceed 1 hours. This should provide enough time to inspect all joints for leaks. If leaks are found, pressure must be relieved and the leak repaired. The system should then be recharged and re-tested. Consult the factory if you have any questions concerning these steps. General Recommendations INSTALLATIONS 1. Handling Compared to steel, iron or copper pipe, PVC pipe and fittings have a lower impact resistance (especially at low temperatures) Care should be exercised during transportation and installation of PVC Pipe installed in high impact areas should be protected accordingly. 2. Solvent Cement Welding This method of joining is very simple and reliable if it is followed correctly, but any deviations from the recommended basic steps may reduce the strength and integrity of the joint. The procedures for preparation, insertion, and curing should be followed very carefully. 3. Expansion and Contraction The coefficient of linear expansion of PVC pipe is greater than that of metallic piping: therefore, take this factor into consideration when designing and installing a PVC piping system. 4. Hanging and Supporting The modulus of elasticity of PVC pipe is smaller than it is for metal pipes. Maximum working temperature and room temperature should be considered when determining the required support spacing. 5. Trench Preparation When laying PVC pipe below the ground, care should be taken to remove all rocks, boards, empty primer and cement cans, brushes, bottles and other debris from the trench. Smaller diameters of pipe should be snaked in the trench to allow for expansion and contraction. If solvent cement welding is used for the method of joining, snaking, pressure testing, and pipe movement should not be done until after the joints have been given sufficient time to dry. 6. Temperature/Pressure The working pressure of PVC pipe and fittings varies with changes in temperature. Before putting a piping system into service, the maximum working temperature and the maximum working pressure should be verified. (Table 4) 7. PVC for Non-Liquid Transport The manufacturer does not recommend its PVC products for use in air or compressed gas systems. PVC pipes and fittings are excellent products for the transport of water and corrosive chemicals, but there are a number of other piping products that are especially designed and suitable for compressed air and gases. 8. Testing Never use air of gas for pressure testing PVC piping systems. Before water-testing a system, flush out all entrapped air (see above Hydrostatic Pressure System). 8

9 NEPRO ASTM Standard Fabricated Fittings Table # 5 Register and Repair Coupling Pipe Size ½ ¾ 1 1 ¼ 1 ½ Inch Coupling Length (mm) P / S Couplin with regester P / S Couplin without regester Table # 6 Long Radius Bends Pipe Size ½ ¾ 1 1 ¼ 1 ½ Inch Outside Inch Diameter mm Radius Inch mm Above long radius bends are available in 90 0, 45 0, 221/2 0 and 111/4 0. *Note: Various Angles and Radius are available upon requests Table #5 Regester and repair couplings 8' x 8" 8' x 6" 8' x 4" 9

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