BS EN1092 (BS4504)
Size Range: 1/2″ NB to 36″ NB
Rating: PN6 , PN10 , PN16, PN25, PN40
Type: Plate , Bossed , Blank , Screwed , W/N
*ALSO AVAILABLE IN STAINLESS STEEL 304L & 316L*
![](https://ashfieldsteel.co.uk/wp-content/uploads/2019/01/BS4504-flanges.jpg)
ANSI B16.5
![](https://ashfieldsteel.co.uk/wp-content/uploads/2019/01/ASA-Flanges.jpg)
Size Range: 1/2″ NB to 24″ NB
Rating: 150 , 300 , 600 , 900 , 1500 , 2500
Type: Plate , Bossed , Blank , Screwed
*ALSO AVAILABLE IN STAINLESS STEEL 304L & 316L*
BS10
Size Range: 1/2″ NB to 24″ NB
Rating: D , E , F , H
Type: Plate , Bossed , Screwed , Blank
*ALSO AVAILABLE IN STAINLESS STEEL 304L & 316L*
![](https://ashfieldsteel.co.uk/wp-content/uploads/2019/01/BS10-Flanges.jpg)