LNG piping valve selection criteria.LNG pipeline and the selection of low temperature gas pipeline valve should be consistent with existing national standards "cryogenic valves technical conditions" of the relevant provisions of GB/T 24918.Emergency cut-off valve selection should be consistent with existing national standards of "low temperature medium with emergency cut-off valve" the relevant provisions of GB/T 24918.

Remote control valves shall have the function of manual operation.LNG pipeline between two shut-off valve should be set up relief valve or other pressure relief device, the discharge of gas pressure should be connected to radiation tube.