product description:

Q641F pneumatic flanged ball valves only need gas rotate for 90 degrees operation and small rotational torque can be closed tightly. Full equality of the Industrial Valves body cavity for medium resistance is very small, straight flow channel. Usually do think most suitable direct ball Industrial Valves open and close, but recent development has put a ball valve designed to make it with throttling and control flow. 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 Industrial Valves body can be a whole, also can be combined. Second, Q641F pneumatic flanged ball valves parameters: test pressure ( Mpa） Nominal pressure ( Mpa） Stress level ( 类) JIS( Mpa) 1. 62. 54. 06. 410. 015030060010 k20k strength test. 43. 86. 09. 615. 03. 17. 815. 32. 43. 8 seal test 1. 82. 84. 47. 011. 02. 25. 611. 21. 52. 0 8 air test. 5 to 0. 7 three main parts, flanges Q641F pneumatic ball valve material: 1 left body WCB, CF8, CF8M, CF3M2 right body WCB, CF8, CF8M, PEFE CF3M3 seat, PPL, 304, 3164, 2 cr13 sphere, 304, 3165, the valve stem 2 cr13, 304, 3166, packing PTFE/flexible graphite packing gland 7 WCB, CF8, CF8M, CF3M

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