Pneumatic regulating ball valve advantages: 1, the temperature range of use: 40 ℃ - 120 ℃, and it has excellent strength and toughness, excellent chemical resistance, 4, 5, self-extinguishing flame retardant performance low thermal conductivity, applicable to steel 1/2006, heavy ion content in ultrapure water content as high as 7, 8, 9 health indicators in line with national health standards, beautiful shape, compact structure, light weight, easy to install 10, 11, body health, non-toxic materials, wear-resisting, easy disassembly, easy to maintain 12 fluid: water, air, oil, 5 kinds of corrosive chemical liquids. The construction, installation, points 1) , the installation position, height, export orientation must comply with the design requirements, connection should be strong and firm. 2) Installed in all kinds of insulation on the manual valve handle shall not down. 3) , a visual inspection must be conducted before installation of valve, valve plate should be consistent with existing national standard GB 12220 'universal signal valve' regulation. For the working pressure is greater than 1. 0 MPa and work intensity of the main line of the Industrial Valves should be performed before installation and strict performance test, qualified rear can install the intended use. Strength test, the test pressure is 1. Article 5 times the nominal duration of not less than 5 min, valve shell, packing should be as qualified without leakage. Air tightness test, test pressure 1. 1 times the nominal pressure; Test pressure in the test duration shall conform to the standard GB 50243, no leak valve sealing surface. 4) Between the valve flange and pipe flange design by pipeline installation of gaskets. 5) , ball belt drive mechanism, install plastic raw materials as stipulated in the product manual, the name and temperature: UPVC rigid polyvinyl chloride - temperature 10℃~70℃； CPVC rigid polyvinyl chloride - temperature 40℃~95℃； RPP reinforced pp - temperature 20℃~90℃； PVDF polyvinylidene fluoride temperature 40 ℃ about 140 degrees Celsius
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