Liquefied natural gas produces sampling device

The utility model discloses a liquefied natural gas produces sampling device. The utility model discloses a pressure reduction type sampling probe, pressure reduction type sampling probe has fast interface through the pipe connection, the one end that fast interface kept away from pressure reduction type sampling probe is connected with the relief valve, the one end that fast interface was kept away from to the relief valve has the ball valve through the pipe connection, the one end that the relief valve was kept away from to the ball valve has pressure gauge through the pipe connection, the one end that pressure gauge kept away from the ball valve has the gaseous air -vent valve of electric -heating type through the pipe connection, the one end that pressure gauge was kept away from to the gaseous air -vent valve of electric -heating type has the jar of relaxation through the pipe connection. The utility model discloses, the project organization is reasonable, utilizes pressure reduction type sampling probe