4WE10F31B/CG24N9Z5L北京华德换向阀新品特惠
当系统的运行调节采用集中量调节(比如水泵的变速调节等)时,不能采用平衡阀和自力式压差平衡阀。因为这种调节是通过改变水量实现的,因而调节时改变了系统的水力工况,所以若采用平衡阀,势必造成有的阀能正常工作,但系统流量过大(超过此时的热负荷所对应的流量),有的阀全开仍达不到流量要求,有的阀因两端压差达不到启动压差而不能正常工作,即出现流量分配的混乱。显然,由于平衡阀的存在而造成了系统集中调节不能实现。
4WE10F20B/AW220-50
4WE10F20B/OAG24N
4WE10F20B/OAW220-50N
4WE10F20B/OFAG24N
4WE10F20B/OFAW220-50N
4WE10F31B/CG24N9Z4
4WE10F31B/CG24N9Z5
4WE10F31B/CG24N9Z5L
4WE10F31B/CG24NZ4
4WE10F31B/CG24NZ5
4WE10F31B/CG24NZ5L
4WE10F31B/CW220-50N9Z4
4WE10F31B/CW220-50N9Z5
4WE10F31B/CW220-50N9Z5L
4WE10F31B/CW220-50NZ44WE10F31B/CG24N9Z5L北京华德换向阀新品特惠
4WE10F31B/CW220-50NZ5
4WE10F31B/CW220-50NZ5L
4WE10G20B/AG24N
4WE10G20B/AW220-50
4WE10G20B/OAG24N
4WE10G20B/OAW220-50N
4WE10G20B/OFAG24N
4WE10G20B/OFAW220-50N
4WE10G31B/CG24N9Z4
4WE10G31B/CG24N9Z5
4WE10G31B/CG24N9Z5L
4WE10G31B/CG24NZ44WE10F31B/CG24N9Z5L北京华德换向阀新品特惠
4WE10G31B/CG24NZ |