L404 –锅炉压力控制开关：型号工作范围负回差最高耐压 开关 105Pak Pa105Pa连接弯管开关类型压力升到设值L404A13540.14 –
1.037 – 411.72-SpSt单刀单掷水银接点断开L404A13700.35 –
3.4528 – 835.86-L404A13960.69 – 10.3455 – 11015.51-L404A14041.38 – 20.68103 – 27624.13有L404A16360.14 –
1.037 – 411.72-L404B13040.14 –
1.037 – 411.72-闭合L404B13200.35 –
3.4528 – 835.86-L404B13460.69 – 10.3455 – 11015.51-L404B13531.38 – 20.68103 – 27624.13有L404B15770.14 –
1.037 – 411.72-L404C11391.38 – 20.68手动复位24.13有断开L404C11470.14 –
1.031.72-L404C11540.35 –
3.455.86-L404C11620.69 – 10.3415.51-L404D10880.14 –
1.031.72有闭合L404D10960.69 – 10.3415.51有L404F10600.14 –
1.037 – 411.72有SpDt单刀双掷微动开关R-W 闭合R –B断开L404F10780.35 –
3.4528 – 835.86有L404F10941.38 – 20.68103 – 27624.13有L404F11020.69 – 10.3455 – 11015.51-
