basic information size range DN15~200mm (1/2"~8") working pressure
PN1.6~6.4Mpa suitable temperature -10~150°C Suitable medium water,
gas, oil CF8(304): suitable for nitric acid CF8M(316): suitable for
acetic acid Technical Standard Design Standard DIN 3357/1,
2EN12516-1 pressure-temperature rating GB/T12224, ANSI B 16.34 Face
to face standard DIN3202F1(DN15-DN100)/F7(DN125 -250)/F17,
F4(DN15-100), F5(DN125-DN250)/F18 End flange Std DIN2542