Tank Full Shut Off
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TankGuard Tank Full Shut Off
The built-in or remote sensing tube is mounted in a 2" NPT bung in the waste oil tank. Oil rising on the tube compresses the trapped air inside. The air causes a diaphragm to rise in the valve head. At approximately 4" of oil on the tube, a red prewarning indicator becomes visible. At approximately 16", the air supply to the pump is shut off and the air whistle alarm sounds. This unit resets automatically when oil level drops.
Product Description
3500TG/TGRP Specifications
Controls Filtered,Regulated Compressed Air @ 40-125 PSIG
Temperature Range from 35° to 180° F
Valve Type - 4-way normally open, direct acting
Air whistle alarm sound level: 90DB+


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