高压管式单向调速阀型号管径流量范围(L/min)FPC-03-11DPT3/81.0-18FPC-04-11DPT1/21.5-57FPC-04-11DPT3/42.5-112高压管式单向调速阀型号管径流量范围(L/min)FPC-03-11DPT3/81.0-18FPC-04-11DPT1/21.5-57FPC-04-11DPT3/42.5-112)