注：系列阀门连接法兰尺寸可根据用户要求设计制造。
Notes: The sizes of serial valve connecting flange can be designed according to customer's requirement.
注：系列球阀结构长度及连接法兰尺寸可根据用户要求设计制造。
Note: The structural length and connecting flange size of ball valve series can be designed and manufactured as per users 'requirements.
注：系列球阀结构长度及连接法兰尺寸可根据用户要求设计制造。
Note: The structural length connecting flange size of ball valve series can be designed manufactured as per users 'requirements.
注：系列球阀结构长度及连接法兰尺寸可根据用户要求设计制造。
Note: The structural length connecting flange size of ball valve series can be designed manufactured as per users 'requirements.
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