Norms*
DIN2527 PN6 – PN100Blind flanges
DIN2566 PN10 – PN16Screwed flanges
DIN2573; DIN2576Flanges for soldering or welding
DIN2630; DIN2631; DIN2632; DIN2633;
DIN2634; DIN2635; DIN2636; DIN2637;
DIN2638; DIN2628; DIN2629; DIN2627
Welding neck flanges
DIN2641; DIN2642Lapped flanges (loose flange)
DIN2655; DIN2656Lapped flanges, plain collars
DIN2673Lapped joint short stub end
DIN86029; DIN86030Hubbed slip-on flange for welding
EN1092-1Flanges and their joints – circular flanges for pipes, valves,
fittings and accessories, PN designated – Part 1: Steel
flanges
EN1092-1 Type 01 PN2,5 – PN100Plate flange for welding
EN1092-1 Type 02 PN2,5 – PN40Loose plate flange for Types 32-37
EN1092-1 Type 04 PN10 – PN40Loose plate flange for Type 34
EN1092-1 Type 05 PN2,5 – PN100Blank flange
EN1092-1 Type 11 PN2,5 – PN400Weld-neck flange
EN1092-1 Type 12 PN6 – PN100Hubbed slip-on flange for welding
EN1092-1 Type 13 PN6 – PN100Hubbed theaded flange
EN1092-1 Type 21 PN2,5 – PN400Intergral flange
EN1092-1 Type 32 PN2,5 – PN40Weld-on plate collar
EN1092-1 Type 33 PN2,5 – PN16Lapped end pipe
EN1092-1 Type 34 PN10 – PN40Weld-neck collar
EN1092-1 Type 35 PN2,5 – PN40Welding neck
EN1092-1 Type 36 PN2,5 – PN16Pressed collar with long neck
EN1092-1 Type 37 PN2,5 – PN16Pressed collar
ASME/ANSI B16.5Pipe flanges and flanged fittings
ASME/ANSI B16.36Orifice flanges
GOST12820-80Plain flanges for welding
GOST12821-80Welding neck flanges
GOST12822-80Loose flanges, plain collars
AD2000-Merkblatt
W0General principles for materials
W2Austenitic steels
W9Steel flanges
W10Low temperature materials, iron materials
W13Forgings and rolled carbon and alloy steel parts
VdTUEV-Material Sheet
350/3Flanges acc. DIN EN 1092-1 steel C22.8/P250GH
354/3Weldable fine-grain steels
399/3Non-alloy structual steel C21

* JIS, ANFOR and other national or special design.

Standards and technical documents are subject to constant evolution. This means that even our installation is subject to constant change and in individual cases may not be up-to-date.