4WE10F31B/CG24N9Z5L北京華德換向閥新品特惠
當系統的運行調節采用集中量調節(比如水泵的變速調節等)時,不能采用平衡閥和自力式壓差平衡閥。因為這種調節是通過改變水量實現的,因而調節時改變了系統的水力工況,所以若采用平衡閥,勢必造成有的閥能正常工作,但系統流量過大(超過此時的熱負荷所對應的流量),有的閥全開仍達不到流量要求,有的閥因兩端壓差達不到啟動壓差而不能正常工作,即出現流量分配的混亂。顯然,由于平衡閥的存在而造成了系統集中調節不能實現。
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北京華德換向閥新品特惠
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北京華德換向閥新品特惠
4WE10G31B/CG24NZ |
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