parker接頭，ermeto變徑內螺紋接頭，一般型號：RIX/XEDXX/XA3C，方便進行轉換連接，一端內螺紋，一端外螺紋，外螺紋端帶ED型彈性密封，parker接頭，ermeto變徑內螺紋接頭有不銹鋼和碳鋼兩種材質，詳細型號：

RI1/8EDX1/4A3C,RI1/8EDX3/8A3C,RI1/4EDX1/8A3C,RI1/4EDX3/8A3C,RI1/4EDX1/2A3C,RI1/4EDX3/4A3C,RI3/8EDX1/8A3C,

RI3/8EDX1/4A3C,RI3/8EDX1/2A3C,RI3/8ED3/4A3C,RI1/2EDX1/8A3C,RI1/2EDX1/4A3C,RI1/2EDX3/8A3C,

RI1/2EDX3/4A3C,RI1/2EDX1A3C,RI1/2EDX11/4A3C,RI3/4EDX1/4A3C,RI3/4EDX3/8A3C,RI3/4EDX1/2A3C,

RI3/4EDX1A3C,RI3/4EDX11/4A3C,RI3/4EDX11/2A3C,RI1EDX1/4A3C,RI1EDX3/8A3C,RI1EDX1/2A3C,

RI1EDX3/4A3C,RI1EDX11/4A3C,RI1EDX11/2A3C,RI11/4EDX1/2A3C,RI11/4EDX3/4A3C,RI11/4EDX1A3C,

RI11/4EDX11/2A3C,RI11/2EDX1/2A3C,RI11/2EDX3/4A3C,RI11/2EDX11A3C,RI11/2EDX111/4A3C,RI2EDX11/2A3C...