Flanged valves calculated for additional laying length of flangedvalve.
法兰阀门流量系数值计算时考虑到法兰阀门的放置长度。
2
Certain system configurations involving direct connection of a Swing Check Valve to other flanged equipment may require consideration of this bolt clearance.
某些系统配置，包括旋启式止回阀直接连接到其他法兰设备的场合可能要求考虑这种螺栓所需要的间隔。
3
Butterfly valves are commonly used for clip-on butterfly valve and two Flanged butterfly valve.