Pressure vacuum relief valve

One of our USA customer made order of pressure vacuum relief valves, He is a very kind customer and cooperate with QM for more than 3years. 

Valves are with fixed pressure 15psi, SS304 material with 1.5" clamp end, he buys for his onw brewing system. 

It takes us 7days to finish this order of 20pcs. He is very happy. 

Believe we will have more chance to cooperate in future.