DN50 Thread Breathing Valve with Top Hole

     DN50 Thread Breathing Valve with Top Hole      The hole on the top is convenient for tightening the breather valve during installation, and can also be used for exhaust, the valve body has multiple exhaust holes, the button has two advantages, connecting equiopment and gas inlet.      When the vacuum pressure in the container is generated, the valve will automatically open (standard vacuum 0.9ber), and the first suction in the container; The valve is kept normally closed. The valve has a common breathing valve, excretion valve valve can not reach the double suction function, greatly reducing the cost and installation space, to ensure the safety of the container and pipeline system.      We have sampling valve, fitting and pipes, manway, center valve, pressure gauge, and we sincerely welcome customers to call to negotiate, we are in line with reliable quality, price concessions, service first purpose to serv…