Direct role in membrane structure, the internal structure is very simple, no obstruction, reliable performance and durability. 
 Dirt waterproof scale, without filters, without the bypass pipe, piping is extremely simple and can save a lot of space and piping costs. 
 Precision adjustable outlet pressure, in general occasions, that the outlet pressure from the impact of inlet pressure (the pressure change in the export volume is △ P1 8%). 
 Excellent hydraulic characteristics, pressure loss, reduced pressure than can be reached 10:1 or more. 
 Meet a variety of decompression requirements, especially for branch decompression system.