Stainless Steel BS EN 1092-1 Flanges

BS EN 1092-1 Flanges are specified by the European standard EN 1092-1. BS EN 1092-1 specifies the Flange types and their facings, dimensions, tolerances, threading, bolt sizes, jointing face surface finish, marking, materials, pressure ratings and approximate masses. This standard replaced the older British metric standard BS 4504.

  • Stirlings stocks a range of BS EN 1092-1 Flanges, including Slip On Raised Face (SORF) Pipe, Slip On Raised Face (SORF) Tube and Blind Full Face Pipe Flanges in Ratings PN 10, PN 16, PN 25 and PN 40. Other Flange types of this specification are made to order.

  • Forgings are manufactured to A182.

  • BS EN 1092-1 Flanges are stocked in Austenitic Grade 316/L, in sizes 15mm to 600mm. Everything currently in stock is specified in the tables below.

  • Anything not currently in stock/Market Available can be obtained via indent.

● Stocked Item ○ Market Available
+ Stirlings Custom Size
*** PN10 - PN40 Multi-cert
* PN10 - PN16 Dual cert / PN25 - PN40 Dual cert

Rating PN 10

Pipe Slip Tube Slip Outside THK THK Bolt No. Dia      
Size On Size On Dia Slip On  Blind Circle of of      
  Bore   Bore of     Dia Holes Holes Slip On Slip On Blind
   Pipe    Tube Flange           Raised Raised Full 
                    Face Face Face 
                    Pipe Tube Pipe
mm SB mm SB 0 Q Q P N HD FF16RFSO/
FF40RFSO		 FFPNT FF16FFBL/
FF40FFBL
15 22.0     95 14 16 65 4 14 ●*** ○ ○
20 27.5 25.4 27.4 105 16 18 75 4 14 ●*** ●*** ○
25 34.5 31.75 33.75 115 16 18 85 4 14 ●*** ●*** ●***
32 43.5 38.10 40.10 140 18 18 100 4 18 ●*** ●*** ○ 
40 49.5     150 18 18 110 4 18 ●*** ○ ●***
50 61.5 50.8 52.8 165 20 18 125 4 18 ●*** ●*** ●*
65 74.6+ 63.5 65.5 185 20 18 145 8 18 ●* ●* ●*
80 90.5 76.2 78.2 200 20 20 160 8 18 ●* ●* ●*
100 116 101.6 103.6 220 20 20 180 8 18 ●* ●* ●*
125 143.7+     250 22 22 210 8 18 ●* ○ ○
150 170.5     285 24 22 240 8 22 ●* ○ ●*
200 221.5     340 24 24 295 12 22 ● ○ ○
250 276.5     405 26 26 355 12 26 ● ○ ○
300 327.5     460 28 26 410 12 26 ● ○ ○
350 359.5     520 30 26 470 16 26 ● ○ ○
400 411     580 32 26 525 16 30 ● ○ ○
450 462     640 34 28 585 20 30 ● ○ ○
500 513.5     715 36 28 650 20 33 ● ○ ○
600 616.5     840 40 34 770 20 36 ● ○ ○

 

 Rating PN 16

Pipe Slip Tube Slip Outside THK THK Bolt No. Dia      
Size On Size On Dia Slip On   Blind Circle of of      
  Bore   Bore of     Dia Holes Holes Slip On Slip On Blind
  Pipe    Tube  Flange           Raised Raised Full 
                    Face Face  Face
                    Pipe Tube Pipe
mm SB mm SB 0 Q Q P N HD FF16RFSO/
FF40RFSO		 FFPNT FF16FFBL/
FF40FFBL
15 22.0     95 14 16 65 4 14 ●*** ○ ○
20 27.5 25.4 27.4 105 16 18 75 4 14 ●*** ●*** ○
25 34.5 31.75 33.75 115 16 18 85 4 14 ●*** ●*** ●***
32 43.5 38.1 40.1 140 18 18 100 4 18 ●*** ●*** ○
40 49.5     150 18 18 110 4 18 ●*** ○ ●***
50 61.5 50.8 52.8 165 20 18 125 4 18 ●*** ●*** ●*
65 74.6+ 63.5 65.5 185 20 18 145 8 18 ●* ●* ●*
80 90.5 76.2 78.2 200 20 20 160 8 18 ●* ●* ●*
100 116 101.6 103.6 220 20 20 180 8 18 ●* ●* ●*
125 143.7+     250 22 22 210 8 18 ●* ○ ○
150 170.5 152.4 154.4 285 24 22 240 8 22 ●* ● ●*
200 221.5 203.2 205.2 340 26 24 295 12 22 ● ● ○
250 276.5 254.0 256.0 405 29 26 355 12 26 ● ● ○
300 327.5     460 32 28 410 12 26 ● ○ ○
350 359.5     520 35 30 470 16 26 ○ ○ ○
400 411     580 38 32 525 16 30 ○ ○ ○
450 462     640 42 40 585 20 30 ○ ○ ○
500 513.5     715 46 44 650 20 33 ○ ○ ○
600 616.5     840 55 54 77 20 36 ○ ○ ○

 

Rating PN 25

Pipe Slip Tube Slip Outside THK THK Bolt No. Dia      
Size On Size On Dia  Slip On  Blind Circle of of      
  Bore   Bore of     Dia Holes Holes Slip On Slip On Blind
   Pipe    Tube Flange           Raised Raised Full 
                    Face Face  Face
                    Pipe Tube Pipe
mm SB mm SB 0 Q Q P N HD FF25RFSO/
FF40RFSO		 FFPNT FF16FFBL/
FF40FFBL
15 22.0     95 14 16 65 4 14 ●*** ○ ○
20 27.5 25.4 27.4 105 16 18 75 4 14 ●*** ●*** ○
25 34.5 31.75 33.75 115 16 18 85 4 14 ●*** ●*** ●***
32 43.5 38.1 40.1 140 18 18 100 4 18 ●*** ●*** ○
40 49.5     150 18 18 110 4 18 ●*** ○ ●***
50 61.5 50.8 52.8 165 20 20 125 4 18 ●*** ●*** ○
65 74.6+     185 22 22 145 8 18 ●* ○ ○
80 90.5     200 24 24 160 8 18 ●* ○ ○
100 116     235 26 24 190 8 22 ●* ○ ○
125 143.7+     270 28 26 220 8 26 ○ ○ ○
150 170.5     300 30 38 250 8 26 ●* ○ ○
200 221.5     360 32 30 310 12 26 ○ ○ ○
250 276.5     425 35 32 370 12 30 ● ○ ○
300 327.5     485 38 34 430 16 30 ● ○ ○
350 359.5     555 42 38 490 16 33 ○ ○ ○
400 411     620 48 40 550 16 36 ○ ○ ○
450 462     670 54 50 600 20 36 ○ ○ ○
500 511.5     730 58 51 660 20 36 ○ ○ ○
600 616.5     845 68 66 770 20 39 ○ ○ ○

 

 Rating PN 40

Pipe Slip Tube Slip Outside THK THK Bolt No. Dia      
Size On Size On Dia Slip On   Blind Circle of of      
  Bore   Bore of     Dia Holes Holes Slip On Slip On Blind
  Pipe    Tube  Flange           Raised Raised Full 
                    Face Face Face 
                    Pipe Tube Pipe
mm SB mm SB 0 Q Q P N HD FF25RFSO/
FF40RFSO		 FFPNT FF16FFBL/
FF40FFBL
15 22.0     95 14 16 65 4 14 ●*** ○ ○
20 27.5 25.4 27.4 105 16 18 75 4 14 ●*** ●*** ○
25 34.5 31.75 33.75 115 16 18 85 4 14 ●*** ●*** ●***
32 43.5 38.1 40.1 140 18 18 100 4 18 ●*** ●***  ○
40 49.5     150 18 18 110 4 18 ●*** ○ ●***
50 61.5 50.8 52.8 165 20 20 125 4 18 ●*** ●*** ○
65 74.6+     185 22 22 145 8 18 ●* ○ ○
80 90.5     200 24 24 160 8 18 ●* ○ ○
100 116     235 26 24 190 8 22 ●* ○ ○
125 143.7+     270 28 26 220 8 26 ●* ○ ○
150 170.5     300 30 38 250 8 26 ○ ○ ○
200 221.5     375 36 36 320 12 30 ○ ○ ○
250 276.5     450 42 38 385 12 33 ○ ○ ○
300 327.5     515 52 42 450 16 33 ○ ○ ○
350 359.5     580 58 46 510 16 36 ○ ○ ○
400 411     660 65 50 585 16 39 ○ ○ ○
450 462     685     610 20 39 ○ ○ ○
500 511.5     755     650 20 33 ○ ○ ○
600 616.5     890     770 20 36 ○ ○ ○