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Explosion-proof electric ball valve spot, price concessions

by:Sino Valves     2021-03-08
[Explosion-proof electric ball valve] brand. Quality assurance, full introduction [explosion-proof electric ball valve] standards, structure drawings, specifications, models, dimensions, working principles and product instructions. Explosion-proof electric ball valves have a series of electric ball valves produced by national standard automation, including various types of ball valve products that can be opened and closed by power control and do 90° rotation. They have obtained national explosion-proof qualification certification and passed ISO9001 certification. Have a good market reputation, professional sales and technical service team, with many years of operating experience, familiar with and understand the market situation, win: explosion-proof electric actuator and valve connection, voltage AC220V or AC380V, can also input 4-20mADC signal and The power supply controls the opening of the valve to realize the adjustment of parameters such as pressure, flow, temperature, and liquid level. The explosion-proof electric ball valve is equipped with an explosion-proof device after the original ball valve is equipped with an electric actuator, which is suitable for flammable and explosive places. It is a valve whose sphere rotates 90° around the axis perpendicular to the channel. The explosion-proof electric ball valve is composed of a angular travel explosion-proof electric actuator and a ball valve sphere. The actuator adopts an integrated design. Input 220V power supply to directly adjust the switch value. Servo module can be built-in, input control signal (4~20mADC or 1~5VDC) and single-phase power supply to control operation. The explosion-proof electric ball valve has an explosion-proof grade of dⅡBT4, a protection grade of IP67, and an on-site control device. The main features of the electric explosion-proof ball valve are: when the power is off, the clutch handle can be manually operated. When energized, the clutch automatically resets. The flow direction can be arbitrary, the adjustable range is wide, and it can be used in high pressure and large diameter occasions to control high viscosity, fiber and fine particles. Explosion-proof electric ball valve has low fluid resistance, which is the smallest fluid resistance of all valves. It is powered by AC220V, AC380V or DC24V power supply voltage and accepts (4-20mA, 0-10mA or 1-5VDC) current signal or voltage Signal, you can control the operation, rotate the sphere 0~90° with the torque output by the angular stroke, and complete the opening and closing actions or adjustment actions. Fully electronic electric actuator adopts organic-electric integrated structure, with internal servo operation and opening signal position feedback, position indication, manual operation and other functions. It has strong functions, reliable performance, and simple connection. It can input current signal or voltage Signal, change the rotation angle of the ball core (any angle of 0-90°) to realize the proportional adjustment action. Especially in the petroleum, chemical, metallurgical and other sectors, the use of soft-sealed ball valves in equipment and pipeline systems with flammable and explosive media should pay more attention to fire resistance and fire prevention. Generally, in two-position adjustment, strict sealing performance, mud, abrasion, necking channel, rapid opening and closing action (1/4 turn opening and closing), high pressure cut-off (large pressure difference), low noise, cavitation and vaporization, In piping systems with a small amount of leakage to the atmosphere, small operating torque and small fluid resistance, electric ball valves are recommended.  Explosion-proof electric ball valve is also suitable for light structure, low pressure cut-off (small pressure difference), corrosive medium pipeline system.   Ball valves can also be used in cryogenic (cryogenic) devices and piping systems.   When the adjustment performance is required, a ball valve with a special structure with a V-shaped opening is required.  In petroleum, petrochemical, chemical, electric power, and urban construction, metal-to-metal sealed ball valves can be used for pipeline systems with operating temperatures above 200°C.   In the oxygen pipeline system of the metallurgical industry, ball valves that have undergone strict degreasing treatment are required. Ball valves are also suitable for piping systems with light structure, low pressure cut-off (small pressure difference), and corrosive media.   Ball valves can also be used in cryogenic (cryogenic) devices and piping systems.   In the oxygen pipeline system of the metallurgical industry, explosion-proof electric ball valves that have undergone strict degreasing treatment are required.  When the main line in the oil pipeline and gas pipeline needs to be buried in the ground, a full-diameter welded ball valve is required.   When the adjustment performance is required, a ball valve with a special structure with a V-shaped opening is required.  In petroleum, petrochemical, chemical, electric power, and urban construction, metal-to-metal sealed explosion-proof electric ball valves can be used for piping systems with operating temperatures above 200°C. Keyword: electric valve
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