How to Design a Thermoplastic Valve
Thermoplastic valves are large, lightweight valves that are used in plumbing and construction for transporting gases or liquids that are moved at a very high temperature. Designing your own thermoplastic valve requires you to have some background knowledge of the uses and designs of these valves. Your design should be based on the internal and external elements found in manufactured thermoplastic valves to make the design more complete. Once you have researched valve uses and designs, you can begin to create your own using design software. Does this Spark an idea?
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Instructions
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Look at the design shape of thermoplastic valves that are manufactured for the same purpose for which you will be using your valve. These valves can be viewed online or at manufacturer's headquarters. Thermoplastic valves come in a variety of designs and usages, including diaphragm valves, butterfly valves, ball valves, check valves and sediment and basket strainers. The industry standard design shape can be utilized in your own valve design.
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Look at the components of the type of thermoplastic valve that you are designing. You can do this by observing or deconstructing the physical valve or reading specs available about these valves provided online by manufacturers. Thermoplastic valves with different usages will have different components, and it is important to include all of these components in your design. For instance, basket strainers have a removable top for maintenance, a duplex strainer system, external gauges and pressure systems with alarms.
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Read about the right type of thermoplastic material for usage in your specific type of valve. Information about thermoplastic is available online via materials manufacturers. There are many different types of thermoplastics with a variety of properties that make them specifically suited to different uses. For instance, antistatic polypropylene is used in situations where it is necessary to prevent electrostatic transmission. Obtain the specs, including thickness, of the thermoplastic you intend to use to integrate this into your design.
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Sketch the basic shape of the thermoplastic valve using drafting software or drafting paper and a pen. Draw the valve to scale and pay attention to the dimensions necessary to accommodate all the internal elements necessary for your specific type of thermoplastic valve. Use images of valves you obtained through research as a reference.
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Add the external elements that are present in the type of valve you are designing. For instance, if the valve uses external gauges, place these elements in their proper place on the design as per your previous research.
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Import or copy the external drawing into a different document or place it on a different piece of paper. Draw the internal elements you noted previously, using the placement and dimensions of these elements you obtained through research.
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