... board) Type of length:1~7core Specifications1. R8040Cx2W,300PSI FRP Membrane housing side port2. Connection Type: 8040 side Port(cellular board ... requirements 1.The manugacturing method of our FRP pressure vessel(membrane housing) is in accordance with the standard JC692-1998;2 ... .Desigh for the pressure pf the FRP pressure vessel(membrane housing)is150,300,450,600,800,1000PSI. And the permitted ...