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Industry info Wiki Q&A
Q what is galvanized pipe used for
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ZaraBert Release Time: May 16, 2024, 7:55 PM
Orangeburg pipe, also known as “fiber conduit” or “bituminous fiber pipe,” is a type of sewer pipe made from layers of wood pulp and pitch. It was popular in the United States from the 1940s to the 1970s, primarily due to its low cost and ease of installation. Unlike more durable materials like cast iron or PVC, Orangeburg pipe is prone to deformation and collapse over time, as it absorbs moisture and deteriorates. Many homes built during its period of use now face issues related to crumbling or collapsed sewer lines, leading to costly repairs. Given its known issues, it is no longer used in new construction, and replacement with more resilient materials is recommended.
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Q how to use a pipe threader
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ArleneBack Release Time: May 16, 2024, 5:53 PM
Pipe screens are essential for keeping ash and debris from entering your mouth or pipe stem. They come in various materials like brass, stainless steel, and glass. To use, simply place a screen inside the bowl of your pipe. Ensure it fits snugly; if it’s too large, trim it or press it to conform to the bowl’s shape. For glass screens, which are typically shaped like small jacks or flowers, gently nestle it into the bowl. After use, clean your screen regularly to maintain airflow and hygiene. Screens not only enhance the smoking experience by filtering unwanted particles but also protect the pipe’s integrity by distributing the heat more evenly.
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Q hdpe pipe max temperature
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BurtonBlack Release Time: May 13, 2024, 1:15 PM
High-density polyethylene (HDPE) pipes are widely used for various applications due to their durability and flexibility. The maximum temperature that HDPE can withstand is around 120-130°F (48-54°C) for continuous service. However, it’s important to note that this can vary based on the specific HDPE grade and the conditions under which it is used. At temperatures above this range, HDPE pipes may become more pliable and lose some of their structural integrity, potentially leading to deformations or failures under pressure. For applications requiring higher temperature resistance, alternative materials or additional protective measures may be necessary. Always refer to the manufacturer’s specifications for guidance on the maximum temperature limits for their specific HDPE products.
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Q how do you thread pipe
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YorkTomlinson Release Time: May 9, 2024, 10:55 PM
Using a pipe bender involves several careful steps. Firstly, determine the type of pipe and the bend radius required, as this will influence the choice of bender and method. There are manual, hydraulic, and electric benders. For a manual bender, mark the pipe where the bend is needed. Place the pipe into the bender, aligning the mark with the bender’s indicated start point for the bend. Apply steady pressure on the bender lever, ensuring the pipe is firmly seated to avoid kinks. Bend the pipe to the desired angle—many benders have degree markings to guide you. For accuracy, check the angle with a protractor or angle finder during the process. After bending, inspect the pipe for any deformities. Always wear safety gear, such as gloves and protective eyewear, to prevent injury. Patience and practice are key to achieving precise bends.
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Q plastic injection molding fundamentals
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RachelHaydn Release Time: May 7, 2024, 7:11 AM
Injection molding machines work by heating plastic granules until they melt and can be injected into a mold under pressure. The process starts with feeding the plastic material into the machine’s hopper, leading to a heated barrel. Inside this barrel, a screw rotates, pushing the plastic forward and mixing it to ensure even heat distribution. As the plastic melts, the screw moves back, creating a “shot” of molten plastic ready for injection. The machine then injects the molten plastic into the mold cavity, where it cools and solidifies into the desired shape. After cooling, the mold opens, and the newly formed plastic part is ejected, ready for any necessary finishing touches. This process is highly efficient and can produce complex parts with high precision, making it a cornerstone of the manufacturing industry for products ranging from automotive components to consumer goods.
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Q hdpe plastic structure
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FitchBabbitt Release Time: May 6, 2024, 2:57 PM
High-density polyethylene (HDPE) is a thermoplastic polymer made from the monomer ethylene. Its structure is characterized by a linear configuration, which results from its manufacturing process, often known as Ziegler-Natta or Phillips catalysis. These methods help in creating long chains of polyethylene with minimal branching, resulting in strong intermolecular forces and high-density properties. The linear structure contributes to HDPE’s notable features, such as excellent strength-to-density ratio, high impact resistance, and durability. Furthermore, HDPE is resistant to many different solvents, making it widely used in the production of plastic bottles, corrosion-resistant piping, geomembranes, and plastic lumber. It’s also recyclable, contributing to its popularity in efforts to reduce plastic pollution.
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Q pipe size charts
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BeacherNick Release Time: May 6, 2024, 7:08 AM
A refrigeration pipe sizing chart is a critical tool used by HVAC engineers and technicians to determine the appropriate pipe diameter required for refrigeration systems, ensuring efficient and effective refrigerant flow. Such charts take into account the type of refrigerant used, the total length of the piping, the height difference between the condenser and evaporator, and the system’s capacity in BTUs or tons. Proper sizing is essential to minimize pressure loss and maintain optimal system performance. Oversized pipes can result in unnecessary costs and system inefficiency, while undersized pipes can cause excessive pressure drop, reducing efficiency and potentially causing equipment damage. It’s important to consult the manufacturer’s specifications and industry standards (like ASHRAE) for the most accurate sizing.
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