法兰及其接头 管道、阀门、管件和附件的圆形法兰，PN 指定 第1部分：钢制法兰 EN1092-1

Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges; German and English version EN 1092-1:2018

欧标EN1092-1标准里的法兰参数如下：

Drawn (source: EN 1092-1)	TYPE __	Full description
	EN 1092-1 TYPE 01	Plate flange for welding
	EN 1092-1 TYPE 02	Loose plate flange with weld-on plate collar TYPE 32
	EN 1092-1 TYPE 02	Loose plate flange with weld-on plate collar TYPE 33
	EN 1092-1 TYPE 04	Loose plate flange with weld-neck collar TYPE 34
	EN 1092-1 TYPE 05	Blind flange or blank flange
	EN 1092-1 TYPE 11	Weld-neck flange
	EN 1092-1 TYPE 12	Hubbed slip-on flange for welding
	EN 1092-1 TYPE 13	Hubbed threaded flange
	EN 1092-1 TYPE 21	LWN – long welding-neck or integral flange

翻边类型

N 1092-1: figure 2 (ancillary components)
Drawn (source: EN 1092-1)	TYPE __	Full description
	EN 1092-1 TYPE 32	Weld-on collar plate
	EN 1092-1 TYPE 33	Short collar or lapped pipe end
	EN 1092-1 TYPE 34	Weld-neck collar

以上法兰类型