Stainless steel ball valve particularly suitable for high viscosity, low Reynolds number, aerosols, medium measurement to bubbles, according to the accuracy is not affected by the influence of the fluid medium electric constant characteristics and limitations. Special structural design, has guide effect, prevent the jam is detailed information on occasion any match an alternative role. According to the flow coefficient and nonlinear error coefficient, the parameters, such as changes in temperature and density and correction function. Measurement accuracy reaches 0. About 5%, can according to the standard of the scene for signal test current, output and coefficient of automatic control, computer networking parameters can be automatically adjust the Settings. SDM wedge flow structure is simple, through the parts and wear and tear, stable workability, the life of the stainless steel ball valves for reliable use, its measure to achieve structural characteristics, to form the jam, stainless steel pressure smaller cases, the need for low Reynolds number condition for high precision measurement, after met the requirement of the ideal choice. Stainless steel ball valves are reducing and generally not reducing channel two structures. No matter the structure, stainless steel ball valve flow resistance coefficient is small. Especially the so-called full flow type, i. e. , not reducing ball valve, due to its channel diameter equal to the inner diameter pipeline, local resistance loss only equivalent length of pipe friction resistance, namely in all valves, the ball valve minimum flow resistance. Stainless steel ball valve just has to rotate 90 degrees of operating and small rotational torque can be closed tight. Full equality of the valve body cavity for medium resistance is very small, straight flow channel. Stainless steel ball valve itself is the main characteristics of compact structure, easy operation and maintenance, and is applicable to water, solvent, acid and gas, such as general work medium, but also is suitable for the working conditions of media, such as oxygen, hydrogen peroxide, methane and ethylene. Ball valve body can be a whole, also can be combined. This paper briefly describes what are restrictive factors in the process of stainless steel ball Industrial Valves is in use. Stainless steel ball valve is limited by temperature and pressure: nameplate shows a ball valve under the maximum and minimum operating temperature allowed by the maximum operating pressure. Using PTFE or RTFE seat and seal material, operating temperature should be between - 290 - c to 2000 c. Other types of operating temperature of the seat and seal, should check by KI factory. Stainless steel ball Industrial Valves nominal pressure level ( PN) , can show that the maximum working pressure in normal temperature condition. ( For example: PN4. 0, which indicates that its operating temperature in - 290 - c - 380 c when the maximum working pressure for 40 Bar ( 4. 0MPa) ) 。
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