●螺纹管件中的螺纹形式为GB/T12716(ANSI/ASME B1.20.1)中的60°圆锥管螺纹NPT;
如采用其它型式的螺纹请在订货时。 ●The standards and codes of the threaded fittings is conical threaded NPT angle 60°of GB/T 12716(ANSI/ASME B1.20.1), and if requiring othertypes of thread, please indicate them in purchased rder.