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The Apollo 70-800 series bronze two-piece inline ball valve has a lever handle and National Pipe Taper (NPT) male threads on one end and NPT female threads on the other. The valve body is made of bronze for higher strength and corrosion resistance than brass. This valve has a zinc-plated steel lever handle with a vinyl sleeve for manual on/off control. Reinforced polytetrafluoroethylene (RPTFE) seats and stem packing reduce the risk of leakage. The valve is standard (or regular) port for reduced valve size and cost. The NPT threads create a tighter seal than straight threads. The maximum pressure rating is 600 pounds per square inch (gauge) (psig) for cold working pressure (CWP), 150 psig for saturated steam, and the maximum vacuum pressure is 29 in Hg. The maximum working temperature is 425 degrees Fahrenheit. This valve meets Manufacturers Standardization Society (MSS) SP-110 and WW-V-35C standards for quality assurance.
Ball valves use a spherical disc to control the flow between pipes, tubes, or hoses. Flow is allowed when the hole that pierces the ball-shaped disc is in line with the inlet and outlet of the valve. Flow is blocked when the ball is horizontally swiveled 90 degrees, so that the hole of the ball is perpendicular to the opening of the valve. Ball valves can be referred to as full port or reduced port (also known as regular or standard port) depending on the inner diameter of the valve. A ball valve is full port if the hole of the ball is the same size as the inner diameter of the connecting pipeline (resulting in lower friction) and is reduced port if the hole of the valve is one pipe size smaller than the pipe, resulting in less flow through the valve than through the shaft of the pipe. Ball valves may have a handle or lever that aligns with the ball's position (open or closed) for manual operation. They are primarily used in air, gas, liquid, and steam applications.
Apollo Valves manufactures ball, mixing, and relief valves, actuators, water gauges, marine fittings, heating and plumbing products, and backflow prevention. The company, founded in 1928 and headquartered in Matthews, NC, meets international standard International Organization for Standardization (ISO)/IEC 17025:2005 and makes products that meet International Organization for Standardization (ISO) and American National Standards Institute (ANSI) standards.
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