| 摘要 |
An improved liquid level controller is shown having a pneumatic pilot assembly located outside the main controller housing. A filter housing is also located outside the main housing. The controller internal components include a torque bar acted upon by a displacement member, a lever and an adjustable connector for interconnecting the torque and lever. A biasing spring contacts the torque bar to balance the force exerted on the torque bar by the liquid displacement member. The pneumatic pilot is actuable by it movement of the lever to provide a selectable output for controlling a desired liquid level within the vessel interior.
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