DEVICE FEATURE
This Vapor Lock Valve was developed according to the Class NK rules for the Survey and Construction of Steel Vessel. It is constructed as 2" Self-Closing valve mechanism, so, the valve can be opened by inserting the barrel of the gauging/sampling device, and it closes automatically when the device is dismounted from the vapor lock.
There is no handle [ for valve opening/closing ] on this valve, so, it can prevent/avoid the cause of fire, the pressure equalization of the tank by intentionally keeping the valve openly. As to the installation, it can be fitted with the parallel thread [ ISO.228/1 G3] of the threaded deck stool piece.
INSTLLATION SCHEMATIC
A = 152mm + 148mm + GASKET + B
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