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              BF-20系列比例阀
              咨询热线:0757-28378668
              功能简述Function description

              结构紧凑,可选择燃气出口

              With compact design, the gad output is optional

              可动永磁铁式燃气比例阀

              Gas proportional valve with pemanent magnet

              由两个电磁截止阀和一个比例调节阀组成

              It is made up of two cut-off solenoid valve sand an on-off proportional valve

              两道控制开关,更加安全可靠

              Use double switches to be safer

              比例阀异常断电时可自动关阀

              When the power of proportional valve is disturbed,the valve will be closed automatically

              使用用途:适用于额定热负荷不超过50kW的燃气热水器和燃气采暖热水炉

              Can be used in gas water heater&gas boiler whose nominal heat loading is ≤50KW


                  主要技术参数    MAIN TECHNICAL PARAMETER

              适用燃气种类:液化石油气、天然气

              Gas applicable : LPG, NG

              电磁阀开阀电压: <21V

              Valve open voltage : <21V

              比例阀关阀电流: > 30 mA

              Releasing current of proportional valve : > 30 mA

              适用燃气压力: 5 kPa以下

              Gas pressure allowable : ≤5KPA

              电磁阀释放电压: >DC 2V

              Valve releasing voltage : >DC 2V

              绝缘电阻: > 100MΩ

              Insulation resistance : > 100MΩ

              安装方向:倾斜度不超过5°

              Installation position : inclination≤ 5°

              电磁阀线圈电阻: 95Ω±10%(20°C)

              Winding resistance of solenoid valve : 95Ω土10%(20°C)

              外部泄漏: ≤0.3ml/min(加压10kPa)

              External leakage : ≤ 0.3ml/min(with 10kPa pressure)

              电磁阀额定开阀电压: DC 24V

              Nominal valve open voltage of valve : DC 24V

              比例阀线圈电阻: 85Ω±10% (20°C)

              Winding resistance of proportional valve : 85Ω±10%(20°C)

              内部泄漏(截止阀) : ≤0.3ml/min(加压10kPa)

              Internal leakage (on-off valve) : ≤ 0.3ml/min(with 10kPa pressure)

              电磁阀额定维持电压: DC 12V

              Nominal maintenance voltage of valve : DC 12V

              比例阀驱动电流: DC 0~270 mA

              Activating current of proportional valve : DC 0~270 mA

              内部泄漏(比例阀) : ≤0.3m1/min(加压10kPa)

              Intermnal leakage (proportional valve) : ≤0.3ml/min(with 10kPa pressure)



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