流量开关参数：
应用领域：· 适用于气动和液压系统
产品特点：无活动部件，免维护；
· 安装方便，一种型号适用于多种管径要求；
· 开关量连续调节，极低的压力损失；
· 结构紧凑，LED显示流动趋势及开关状态；
FT12N系列流量开关型号有：
FT12N-G12HD1SQ, FT12N-G12HD2SQ, FT12N-G12HD1AQ,
FT12N-G12HD2AQ, FT12N-G12HD3AQ,
FT12N-G14HD2AQ,
FT12N-G12ID1SQ, FT12N-G12ID2SQ, FT12N-G12ID1AQ,
FT12N-G12ID2AQ, FT12N-G12ID3AQ,
FT12N-G14HD3AQ,
FT12N-G14HD1SQ, FT12N-G14HD2SQ, FT12N-G14HD1AQ,
FT12N-G14ID1SQ, FT12N-G14ID2SQ, FT12N-G14ID1AQ,
FT12N-G14ID2AQ, FT12N-G14ID3AQ,
FT12N-M18ID2AQ,
FT12N-M18HD1SQ, FT12N-M18HD2SQ, FT12N-M18HD1AQ,
FT12N-M18HD2AQ, FT12N-M18HD3AQ, FT12N-M18ID3AQ,
FT12N-M18ID1SQ, FT12N-M18ID2SQ, FT12N-M18ID1AQ,
