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