| ●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.
 
 
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