+GF閥類部分, +GF+壓力調節閥Pressure Reducing Valve Type V82 +GF閥類部分, +GF+壓力調節閥Pressure Retaining Valve Type V86 +GF+壓力調節閥, +GF閥類部分Pressure Retaining Valve Type 586 +GF+壓力調節閥, +GF閥類部分Pressure Reducing Valve Type 582