板式连接大通径电控换向阀，有三位阀功能。

Plate connected with electric control valve which had large drift diameter, have three -position valve function.

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大通径钢法兰。系列a。符合相关尺寸标准。

Large diameter Steel Flanges. Series A. Conforms to related dimensions.

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这种类型驱动装置的主要缺点是气源消耗，特别是使用在大通径阀门。

The major disadvantage of this type of actuator is air consumption, particularly when applied to large valves.

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两个或更多的系列007小通径阀门可以采用并联管道(在经过认可的位置)，以满足更大通径的主供水管道的需求。

Two or more Series 007 smaller size valves may be piped in parallel (where approved) to serve a larger supply pipe main.

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两个或更多的系列007dcda小通径阀门可以采用并联管道(在经过认可的位置)，以满足更大通径的主供水管道的需求。

Two or more Series 007dcda smaller size valves may be piped in parallel (where approved) to serve a larger supply pipe main.

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两个或更多的系列007dcda小通径阀门可以采用并联管道(在经过认可的位置)，以满足更大通径的主供水管道的需求。

Two or more Series 007dcda smaller size valves may be piped in parallel (where approved) to serve a larger supply pipe main.

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