1. Material : Aluminum alloy 2.Temperature range :-20 -- +70 1. Bottom Valve Series To install on the Manhole Cover or directly on the top of the Tanker to do the measurement inside the Tanker by the rule. Quick Connecting method to make the operation easier. Tight sealing design to make sure no leakage from its position.2. Technical Data Material Aluminum AlloyTemperature range-20°c -- +70°c 3. ...
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