Since the introduction of PVC in the U.S. during the 1940s, thermoplastic valves, pipe and fittings have gained broad acceptance. Thermoplastic valves, pipes and fittings are often the material of choice for systems that were traditionally designed in metal. Unlike metal, thermoplastic valves and piping components have a high resistance to corrosion, will not scale or rust and will not contaminate sensitive fluids.
Hayward manufactures products from compounds of PVC, CPVC, natural PP, glass filled PP (GFPP), PVDF, Eastar and Polyetherimide. These materials are non-conductors and, as such, are immune to electrolytic and galvanic corrosion. Equally important, they contain nothing to leach out and contaminate sensitive fluids. Benefits of Hayward thermoplastic valves and process control products include:Nontoxic
Hayward PVC and CPVC products are suitable for use with potable water and are consistent with National Sanitation Foundation (NSF) and Canadian Standards Association (CSA) requirements. Hayward products are made to ASTM and ANSI standards. See specific products in this catalogue for NSF/ANSI 61 compliance.Corrosion Resistance
Hayward thermoplastic flow control products are immune to corrosion. They are dielectric, meaning they will not support a charge, and will remain free from the ionization and corrosion that occurs with metal valves.Extended Service Life
Hayward thermoplastic valves will outlast most metal valves and are not affected by normal weather conditions. They will provide years of maintenance-free service.Low Thermal Conductivity
Hayward thermoplastic valves have much less thermal conductivity than metal valves so that heat gain or loss is greatly reduced. Pipe insulation is rarely required for thermoplastic piping systems.Improved Flow Rates
Hayward thermoplastic valves have a high flow coefficient and, as compared to metal, will absolutely not pit, rust or corrode. Their interior walls are moulded with an ultra-smooth finish that will remain smooth throughout the valve’s service life, resulting in a more consistent flow rate over time.High Temperature Service
Hayward process control products are capable of handling corrosive chemicals at elevated temperatures—up to 250°F with glass filled PP (GFPP).Easy Installation
Hayward thermoplastic valves and process control products are generally 1/3 to 1/2 the weight of similar size and type metal valves. They are simple to install and result in reduced handling, labour and installation costs.Conservation
Hayward thermoplastic valves and flow controls are energy efficient. The use of natural resources or fuels to produce a Hayward thermoplastic valve is half that of a comparative size metal one.Economics
When evaluating the economics of Hayward thermoplastic valves and flow control products over metal equals, consider not only the initial cost savings, but the reduced freight, lower installation and maintenance costs, and the extended service life of the valves. Hayward thermoplastic valves and flow controls are a cost-effective alternative to metal products.
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