NORTHMAN疊加式液控單向閥部分常規(guī)型號參考：MPC-02A-05 , MPC-02A-50 , MPC-02B-05 , MPC-02B-50 , MPC-02W-05 , MPC-02W-50 , MPC-03A-05 , MPC-03A-50 , MPC-03B-05 , MPC-03B-50 , MPC-03W-05 , MPC-03W-50 , MPC-04A-05 , MPC-04A-50 , MPC-04B-05 , MPC-04B-50 , MPC-04W-05 , MPC-04W-50 , MPC-06A-05 , MPC-06A-50 , MPC-06B-05 , MPC-06B-50 , MPC-06W-05 , MPC-06W-50