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.

youdao

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.

youdao

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.

youdao