, j8 d4 K3 v5 {1 R3 ?cause different pressure areas , we can just apply a small pressure to enable the poppet out + h$ b2 s: F# {1 V% y" s7 P) @0 V6 Q& x% g, q# X. w( G6 z! X
it should be a two stage valve. a little bit complex kind. once you get its working function. then it is easy for. u