expansion valve The valve body are made in a forge and the membrane are made of solid stainless steel; There are altogether eight kinds of stainless steel core for choice and the capacity can be adjusted neatly. Attached filter net which can be cleaned; RefrigerationR12R22R502R134aR407cR404AR507; Safety work pressure35bar (500Psig); IN/OUT CONNECTIONl23FLARE ×383FLARE Our products can substitute for congeneric import products, such as ALCODANFOSSSPORLANHONEYWELL and so on.