Testing and adjustment 1, the product whether it is manual, pneumatic, hydraulic, electric various parts in the factory are subject to stringent testing, sealing performance when the user re-examination should be fixed evenly on both sides of import and export, closed butterfly valve on imports side pressure on the outlet side to observe whether the leakage phenomenon, the strength in the pipeline before the experiment butterfly dish plate should be open, to prevent damage to the seal pair. 2, prior to the products manufactured by the strict inspection and test, though, but there are also individual products in transit automatic screw displacement, the need to re-adjust, pneumatic, hydraulic valves and other Shandong, please read the complete drive Manual 3, (electric butterfly ) has enabled organizations to control the factory closing stroke adjusted. In order to prevent the power is turned the wrong direction, the user after the first powered on, the first being opened manually to a half-open position, in accordance with the direction of the electric switch and indicator disc check valve can be closed in the same direction. BD343H flange insulation multi-level metal seal butterfly valve Specifications Model: BD343H-16C DN50 ~ 2000mm Working temperature: -50 ℃ ~ 600 ℃ Working pressure: 0.1 ~ 4.0Mpa Suitable medium: water, steam, oil, etc. Valve Co., Shandong, China Everbright Canton company's scope of application of this type of valve, butterfly valve, reliable quality BD343H insulation, no internal leakage, leakage phenomenon, frequent switching is not stuck, rust, the majority of chemical plants, thermal power plants, steel mills, printing and dyeing, food the best choice for plants. BD343H insulation butterfly, butterfly valve manufacturer Everbright Everbright Limited provided by Shandong valve. Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) strong, credible, Shandong Weifang ball industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Everbright valve into the brilliant and you work for a better future!