... synthetic rubber with release hole are fitted with blowout preventingmetal ring. When sealing parts leak, pressure will be automatically relieved. Safety ... (70Mpa)2"x6000psi(42Mpa)2"x10000psi(70Mpa)Style 10,50Style 10,50Style 10,50Style 10,50Style 10,50 LP Female Thread LP Female Thread LP ... "x15000psi(105Mpa) 2"x20000psi(140Mpa) Style 10,20,50 Style 10,50 Style 10,50 Style 10,50,80,100 Style 20,30,60 ...