PVC-U Fittings - 114 Pages

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PVC-U Fittings

Catalog excerpts

FITTINGS PVC-U The range of PVC-U products includes a complete series of solvent weld, threaded and adaptor fittings for pipes conveying fluids under pressure at maximum working temperatures not exceeding 60 °

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PVC-U GENERAL CHARACTERISTICS Developed in 1930 in Germany, PVC-U (rigid polyvinyl chloride – unplasticized) is obtained through the polymerization of a vinyl chloride monomer. The presence of chlorine in the PVC-U molecule results in a high performance resin, in terms of thermal stability and chemical and mechanical resistance, up to temperatures of 60° C. The different formulations obtained by adding suitable additives and stabilizers render the PVC-U the most versatile of all plastic materials, allowing it to be adapted to many applications involving fluids under pressure. PVC-U...

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Density Test method Unit of measurement Value Modulus of elasticity Test method Unit of measurement Value IZOD notched impact strength at 23°C Test method Unit of measurement Value Ultimate elongation Test method Unit of measurement Value Shore hardness Test method Unit of measurement Value Tensile strength Test method Unit of measurement Value VICAT softening point (B/50) Test method Unit of measurement Value Heat distortion temperature HDT (0.46 N/mm2) Test method Unit of measurement Value Thermal conductivity at 23° C Test method Unit of measurement Value Coefficient of linear thermal...

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The PVC-U production line operates to the highest quality standards, in full compliance with current legislation governing environmental issues and in accordance with standard ISO 14001. All products are manufactured in accordance with a quality assurance system complying with standard ISO 9001. • ASTM D 1785 Standard specification for pipes in PVC, Sch. 40-80-120 • ASTM D 2464 Standard specification for threaded polyvinyl chloride (PVC) plastic pipe fittings •ASTM D 2467 Standard specification for polyvinyl chloride (PVC) plastic pipe fittings, sch. 80 • BS 10 Specification for flanges and...

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• ISO 727 PVC-U pipes and fittings Dimensions and tolerances, metric series • JIS K 6741 PVC-U pipes • JIS B 0203 Tapered pipe threads • JIS K 6743 PVC-U pipe fittings for water supply systems • UNI 11242 Solvent welding of PVC-U pipes, fittings and valves

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APPROVALS AND QUALITY MARKS • ABS The FIP PVC-U system is recognised as suitable for conveying and treating sanitary and conditioning water onboard ships and other units classified by the American Bureau of Shipping (ABS) • ACS France (Attestation de conformité Sanitaire) Suitability of PVC-U for food and beverage applications • BSI (British Standards Institution UK) PVC-U fittings to BS 4346-1 • BUREAU VERITAS (France) Suitability of PVC-U for conveying and treating sanitary and conditioning water in the maritime sector • CSTB PVC-U fittings to standard NF T 54-028 • IIP N. 122 Istituto...

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• KIWA (Keurings Institut Voor Waterleiding Artikelen Holland) PVC-U fittings to standard KIWA BRL K17301 • UKR-SEPRO FIP PVC-U fittings are certified in accordance with Ukrainian Health, Safety, Hygiene and Quality standards • WRAS (Water regulations advisory scheme - UK) Suitability of PVC-U for transporting potable water

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SOLVENT WELDING INSTRUCTIONS Solvent welding, or cement jointing, is the longitudinal joining system for connecting rigid PVC-U pipes and fittings. The "cementing" is carried out using adhesives/cements obtained by dissolving PVC-U polymer in a solvent mixture. This solvent liquefies the walls of the pipe and/ or fitting, allowing the constituent material to chemically combine and be subsequently welded. Chemical welding allows permanent joints be achieved possessing chemical and mechanical strength characteristics identical to those of the pipes and fittings joined. The adhesives/solvent...

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It is advisable to use an applicator/brush of dimension not less than half the diameter of the pipe. The solvent cement must be applied along the entire length of the joining surface of both the pipe and the fitting: - for the entire joint length of the pipe previously marked on the outer surface (fig. 6) - for the entire depth of the socket as far as the internal shoulder (fig.7) 6) Fully insert the pipe into the fitting immediately and without any rotation. Only after this operation will it be possible to slightly rotate both ends (max. 1/4 of a turn between pipe and fitting). This...

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Metric series CHARACTERISTICS AND DIMENSIONS OF BRUSHES- APPLICATORS de (mm)

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WARNINGS • In the case where the external diameter of the pipe and the internal diameter of the fitting are at opposite extremes of their tolerance values, the dry pipe cannot be inserted in the dry socket of the fitting. Insertion will only be possible after having applied the Cleaner and Solvent Cement to both parts to be joined. • The solvent cement is manufactured from the same PVC resin used for the production of the pipes, fittings and valves. Unless otherwise specified, the solvent cement used on the surfaces to join must also be usable with the following tolerances: - maximum...

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RIGID PVC-U PIPES AND FITTINGS THEORETICAL SOLVENT CEMENT CONSUMPTION Pipe/Fitting diameter d (mm) Number of joints per kg of solvent cement MOST COMMON DEFECTS Solvent cement too fluid (incorrect diluent addition) Immediate effect Cementing failure. Joint separation or leaks from between the pipe and fitting. Excess solvent cement Immediate effect Internal and external runs beyond the joint zone. Weakening of the outer surface of the joint area and formation of bubbles with micro-cracks/sources of fracture in the base material. Excessively dense solvent cement due to evaporated solvent...

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INSTALLATION INSTRUCTIONS FOR THREADED JOINTS To guarantee the hydraulic seal of the joint on fittings and valves with a threaded female end, we recommend you perform the following operations: 1. Start winding some PTFE sealing tape on the outside of the threaded male end, taking care not to obstruct the through-hole on the pipe, fitting or valve (fig. 1); 2. Complete the first winding layer by winding the tape clockwise until you reach the root of the thread. Remember to keep the tape taut throughout the entire process (fig. 2); 3. Press on the tips of the thread to make sure the tape...

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