美国力高 RegOLV5503H820 3/4" x 1" 二级调压器                   

-可调范围：300-710mmW.C                            

-流量：40 kg/h                                                     

材质：                                                                   

-阀体：铝合金                                                       

-弹簧：钢制品                                                      

-外壳：铝合金                                                       

-美国UL认证

 {余先生 13927452320 }