用途：泵，水冷系统，锅炉及其它设备提供流量变动时的安全保证和过程控制特点：防漏防爆设计，有UL和CSA认证，提供FM保证适用管径：1.5-20"适用介质：液体，气体，流动固体粉料流量范围：定制叶片由用户指定；万能叶片见详细资料工作压力：铜质 6.9MPa；316不锈钢13.8MPa工作温度：普通型-20~135℃；高温型最大205℃连接:1-1/2"外螺纹封装:NEMA 4重量：1.96Kg 认证：UL，CSA，CE，FM，SAA，ATEX 选型表: 型号描述 V4-2-U铜体, 通用叶片 V4-SS-2-U316SS 不锈钢体, 通用叶片 V4铜体, 定制叶片 V4-SS316SS 不锈钢体, 定制叶片 可选项:-D：DPDT输出-MV：镀金触点-MT：高温型-TRI（流量增加），-TRD（流量下降）：延时继电器-316：316SS磁体-SAA：认证-V：垂直向上流量-AT：ATEX认证冷水的流量开关动作/反动作值（大概）.上面单位是GPM. 下面单位是LPM叶片层数1.5" PIPE2" PIPE3" PIPE4" PIPE6" PIPE8" PIPE10" PIPE12" PIPE14" PIPE16" PIPE18" PIPE20" PIPE17-315-845-2295-40210-120375-175600-300900-4501200-6001400-8002000-10002400-120026.67-11.6756.7-30167-83.3367-150800-4501417-6672267-11333400-17004550-22675300-30337567-37839083-45501&2 7-423-1450-35130-90230-150450-250650-350900-5001200-6501450-8001800-100026.7-1586.7-53.3190-132500-333867-5671700-9502467-13173400-19004550-24675483-30336817-37831,2,&3  11-727-1980-60160-115300-180450-275600-350750-4501000-6001200-70041.7-26.7102-71.7300-233600-4331133-6831700-10332267-13172750-20833783-22674550-26501,2,3,&4   17-1260-45120-90230-150310-200430-280550-360700-450850-55065-45233-167450-333867-5671167-7501633-10672083-13672650-17003217-20831,2,3,4,&5    40-3080-65135-100200-140290-200360-250460-325575-400152-113300-250517-383750-5331100-7501367-9501733-12332183-1517动作流量是基于比重为1的冷水 空气的流量开关动作/反动作值（大概）.上面单位是SCFM. 下面单位是LPS叶片层数1.5" PIPE2" PIPE3" PIPE4" PIPE6" PIPE8" PIPE10" PIPE12" PIPE14" PIPE16" PIPE18" PIPE20" PIPE132-1765-32210-105400-200950-4751550-8502400-13003450-19004700-26006400-35008000-440010000-550015-830-20100-50190-90450-220730-4001100-6001600-9002200-12003000-17003800-21004700-26001&2 23-13120-70195-140550-3751100-7001850-12002700-17503400-22004800-31006000-39007400-480010-660-3090-70260-180520-330870-5701300-8001600-10002300-15002800-18003500-23001,2,&3  60-48135-100375-265725-5001200-8501850-13002600-18003350-23504300-30005300-370030-2060-50180-130340-240570-400870-6101200-8001600-11002000-14002500-17001,2,3,&4   65-50260-200500-400875-7001250-10001900-15002500-20003100-25003900-310030-20120-90240-190410-330590-470900-7101200-9001500-12001800-15001,2,3,4,&5    130-100310-250650-5251000-8001600-12502200-1750  60-50150-120310-250470-380760-5901040-830