型号

                     流量 L/H

                   压力kg/cm²

                   口径

                 P.025

                      0～1092

                       8.6

     1/4^”

                 P1

                      0～3366

                    1/2^”

                  P2R

                       0～8400

                    1^”

     P4

                     0～21120

     3/2^”

                   P8

                     0～35202

             2^”