DF21阻旋料位开关DF-21

ZB84小型阻旋式料位开关ZB-84

LX20振动棒料位开关LX-20

LX31音叉液位开关LX-31

LX55高温阻旋料位开关LX-55

LX54高温阻旋料位开关LX-54

LX22A21行程开关 LX22A-21

LX22A2行程开关 LX22A-2

LX22A12行程开关 LX22A-12

LX22A11行程开关 LX22A-11

LX22A1行程开关 LX22A-1

LX20-J行程开关 LX20-J/1:200