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For Oil Tanker 20" Manhole Cover
Fuel Tanker Overfill Optic Sensor




Product Description
1. Material:Aliminum Alloy
2. Material:Aluminum Alloy/Carbon /Stainless Steel
3.Size :10"/12"/18"
1.20" Manhole Cover Connecting Flange weld rings
Manhole Cover is installed on the top of the tanker to prevent the inside fuel from leakage when
the tanker is over rolled. With P/V vent inside to adjust the pressure. When there is pressure
differences inside and outside the tanker, it will automatically inlet or exhaust air to adjust
the pressure so that it can ensure the safety andenvironment protection. It is suitable to
transpore petroleum, diesel, kerosene, and the other light fuel, etc.
2. Benefit and Feature
* Fusible link will operate and shut down the system in case of fire.
* Manual Shut Down in case of emergency is available as a standard feature.
Mission: meager profit business,integrity is golden, dealing with customer requirements as far as possible perfect communication, solving. Track service with the time of delivery and the pre-sale after sale
It is installed in the Vapor Adaptor Valve or API Adaptor Valve to interlocked among the
pneumatic valves. It is in Two-Ways-T structure with the automatic back.When you pull
the handle,when release it will go back the original position


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