flanged ball valves and internal thread ball valve should be how to choose, many units will take this factor into consideration in the design of pipeline. First of all, flanged ball valves and internal thread ball Industrial Valves each have each advantage. Flanged ball valves 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, durable in use. Flanged ball valve disadvantages: high cost, large size, installation time, generally need two completed two or more persons. Selection is usually DN15 - DN25 caliber. Internal thread of ball valve advantages: small volume, convenient installation, generally applicable to domestic outfit building, or the steam pipe and other small pipe. Cheap, low cost for factory unit. The defect of internal thread ball valve: damage is not easy to tear open outfit, especially fixed the pipe. Continued weak under pressure. General selection is below (pipe specification. Taken together, flanged ball valves and internal thread ball valve each have advantages and disadvantages, the customer can choose to use according to the actual usage, the working principle is the same. Difference is flanged ball valve prices higher than internal thread ball valve, size large.

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