Flanged ball valves and internal thread ball valve should be how to choose, when a lot of units in the design of pipeline will take this factor into consideration.
First of all, flanged ball valves and internal thread ball valve each have each advantage. Flanged ball valve advantages: convenient disassembling in the pipeline, suitable for some medium and large chemical project. Resistance to acid and alkali stability, resistance to pressure ability strong, lasting stability in use. Flange ball valve disadvantages: the high cost, the volume is bigger, installation time, generally need two completed two or more persons. Choose average is DN15 - DN25 caliber. Internal thread ball valve: the advantages of small volume, convenient installation, generally applicable to domestic outfit building, or a steam pipeline, such as small pipes. Cheap, low cost for factory unit. The defect of internal thread ball valve: damage is not easy to tear open outfit, especially fixed pipe. Continued weak. Able to work under pressure General selection is in (the following the specifications of the ball valves.
Comprehensive view, flanged ball valve and each have advantages and disadvantages of internal thread ball valve, customers can choose according to their actual usage, the working principle is the same. The difference is prices higher than internal thread ball valve flange ball valve, size large
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