•灰铸铁或球墨铸铁阀体灰铸铁或球墨铸铁阀体•DN50...600•kvs65...37,000m3/h•适用于符合适用于符合ISO7005的的PN16配对法兰法兰•密封性符合密封性符合ISO5208，，泄漏等级为为A级级•无需维护无需维护•可以配备可以配备SQL321B..或或SQL361B..电动执行器电动执行器用途用途用于在暖通空调系统中作为电动阀或截止阀使用。•用于开式和闭式系统中•用于两位(SPDT)或DC0…10V控制信号•用于制冷机和冷却塔顺序控制•换热器或整个换热站水流的通断控制型号概览型号概览产品型号物料编号DNkvs顶法兰介质流速1)[m3/h]ENISO5211水水[m/s]气体[m/s]VKF42.50S55237-V1005065VKF42.65S55237-V10165140VKF42.80S55237-V10280210VKF42.100S55237-V103100470VKF42.125S55237-V104125750VKF42.150S55237-V1051501250VKF42.200S55237-V1062003100F07VKF42.250S55237-V1072504050F10VKF42.300S55237-V1083007500VKF42.350S55237-V10935010250F12VKF42.400S55237-V11040014100VKF42.450S55237-V11145018500F14VKF42.500S55237-V11250024000VKF42.600S55237-V11360037000F164.5601)蝶阀全开时所推荐的***大流速kvs当蝶阀全开(H100)、阀门前后压差为100kPa(1bar)时，5°C至30°C的冷却水每小时流过蝶阀的额定流量)