The cooker is annular, and has a mixed gas injection port on the inner upper circumference; one end of the mixing pipe is connected to one side of the cooker, and the other end is provided with an air regulating port; the middle of the air regulating port is a gas input pipe; The air box is provided

Pay attention to the following items when using the check valve:1) In normal operation, the working pressure of the check valve is lower than the rated working pressure of the check valve; the flow through the check valve should be within the rated flow range allowed by the diameter, and no large pr

1 acetylene white acetylene can not be near fire red2 hydrogen H2 light green hydrogen red red P=20, light yellow single ringP=30, light yellow double ring3 Oxygen O2 Light (酞) Blue Oxygen Black P=20, white single ring4 nitrogen N2 black nitrogen yellowish P=30, white double ring5 air black air whit

1. Explosion-proof drying: In the summer, it is necessary to cover the sunshade to prevent direct sunlight from illuminating the bottle.2, rainproof: the storage point should be set at a high place, preventing rain and ground area water and causing bottle rust.3, lightning protection: the storage po