PRODUCTS > Ball valve > Pneumatic belt operated eccentric ball valve

                  Pneumatic belt operated eccentric ball valve

                  Product model: PQ647FY
                  Nominal diameter: DN 25~800mm
                  Nominal pressure: PN1.0~6.4MPa
                  Applicable medium: water, steam, oil, gas
                  Applicable temperature: -29℃~425℃
                  Configuration actuator: GT, AT, AR, AW series of single and double acting pneumatic actuators

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                  [Standard parameter]
                  Design standardGB/T 12237、API 608、BS 5351
                  Connection standardASME B16.5、GB/T 9113、JB/T 79、HG/T 20592、HG/T 20615
                  Structural lengthGB/T 12221、ASME B16.10
                  Pressure testGB/T 13927、API 598、GB/T 26480
                  Pressure temperature ratingASME B16.34、GB/T 12224


                  [Valve features]

                  1, the fluid resistance is small, the full diameter of the electric ball valve basically no flow resistance.
                  2, simple structure, small size, light weight.
                  3, close and reliable. There are two sealing surface, and the ball valve sealing surface materials widely used, all kinds of plastic, good sealing, can achieve full seal. It is also widely used in vacuum system.
                  4, convenient operation, open and close rapidly, from fully open to fully closed as long as 90 degree rotation, facilitate remote control.
                  5, maintenance is convenient, the ball valve structure is simple, the sealing ring is generally active, disassembly and replacement are more convenient.
                  6, in full open or full closed, the ball and valve seat sealing surface and dielectric isolation, the media through, it will not cause the valve sealing surface erosion.
                  7, a wide range of applications, from small diameter to a few millimeters, large to several meters, from high vacuum, high pressure can be applied.
                  8, because the electric eccentric hemisphere valve in the opening and closing process of wiping, so it can be used in suspension with solid particles in the medium.

                  [Valve structure drawing]

                  [Adaptive condition]
                         The valve is an important executive mechanism of industrial automation control system, remote centralized control can meet the needs of computer program; now widely used in petroleum, chemical industry, gas equipment, nuclear power equipment, water treatment, air conditioning, iron and steel metallurgy, industrial furnace, tank equipment, brewing equipment, drying equipment, vacuum equipment, surface treatment, bio pharmaceutical, food machinery, textile, papermaking and other industries, the preferred product is construction of national defense construction, science and technology.


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