gf comprises three divisions gf piping systems, gf automotive, and gf machining solutions. founded in 1802, the corporation is headquartered in switzerland and is present in 32 countries, with 124 companies, 48 of them production facilities. its approximately 14 000 employees generated sales of chf 3.77 billion in 2013.
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gf管路系统的369型板式止回阀设计用于大尺寸安装，低维护需求和安装位置紧凑。
优化设计允许安装在iso/din和astm的标准连接方式。
阀门可以水平或垂直安装。
375 型球阀为基本的pvc-u活接球阀，是非苛刻条件下546型球阀的补充产品。
与2450压力传感器或2250液位传感器配套，其特点为：2x16 lcd显示，耐腐蚀外壳。可分别或同时显示液位和体积。显示单位有多种选择。
• 供电电源，12-24vdc ±10%
• 防护等级：表正面ip65 / nema 4x，
后面加防水罩盖
• 显示方式：2x16字节液晶显示
• 显示数值精度：±0.5 ˚c
• 输入通道数：2
• 输出：4~20ma、继电器开关量信号、集电极开路
• 继电器触点容量：5a/30vdc；5a/250vac
