BS 3505 & BS 3506

Nominal Outside Wall Thickness
Size Diameter Class B Class C Class D Class E Class 'O' Class E Class E
(6 Bar) (9 Bar) (12 Bar) (15 Bar) NON PRESSURE (15 Bar) (15 Bar)
Inch Min. mm Max. mm Min. mm Max. mm Min. mm Max. mm Min. mm Max. mm Min. mm Max. mm Min. mm Max. mm Min. mm Max. mm BAR Min. mm Max. mm BAR
 1/2 21.20 21.50 - - - - - - 1.70 2.10 2.80 3.30 28.00 3.70 4.30 40.00
 3/4 26.60 26.90 - - - - - - 1.90 2.50 2.90 3.40 22.00 3.90 4.50 32.00
1 33.30 33.80 - - - - - - 2.20 2.70 3.40 4.00 24.00 4.50 5.20 32.00
1.1/4 42.00 42.50 - - - - 2.20 2.70 2.70 3.20 3.60 4.20 20.00 4.80 5.50 28.00
1.1/2 48.00 48.50 - - - - 2.50 3.00 3.10 3.70 1.80 2.20 3.70 4.30 18.00 5.10 5.90 25.00
2 60.00 60.70 - - 2.50 3.00 3.10 3.70 3.90 4.90 1.80 2.20 5.50 6.30 22.00
2 1/2 75.00 75.30 - - 3.00 3.50 3.90 4.50 4.80 5.50 1.80 2.20
3 88.40 89.40 2.90 3.40 3.50 4.10 4.60 5.30 5.70 6.60 1.80 2.20
4 113.70 114.90 3.40 4.00 4.50 5.20 6.00 6.90 7.30 8.40 2.30 2.80
5 139.40 141.00 3.80 4.40 5.50 6.40 7.30 8.40 9.00 10.40 2.60 3.10
6 167.40 169.10 4.50 5.20 6.50 7.60 8.80 10.20 10.80 12.50 3.10 3.70
8 218.00 220.20 5.30 6.10 7.50 9.00 10.30 11.90 12.60 14.50 3.10 3.70
10 271.60 274.40 6.60 7.60 9.70 11.20 12.80 14.80 15.70 18.10 3.10 3.70
12 322.20 325.50 7.80 9.00 11.50 13.30 15.20 17.50 18.70 21.60 3.10 3.70
14 353.70 357.30 8.50 9.80 12.60 14.50 16.70 19.20 - - 3.60 4.20
16 404.30 408.50 9.70 11.20 14.50 16.70 - - - - 4.10 4.80
18 456.70 457.70 11.00 12.60 16.30 18.80 21.40 24.60 4.60 5.30
20 507.50 508.50 12.20 14.10 18.10 20.90 5.10 5.90
MANUFACTURED TO CLASS 'C', 'D', & 'E' ARE TO BS 3505
CLASS 'B', 'O', '6' & '7' ARE TO BS 3506
STANDARD LENGTH 5.8 & 6 METERS
COLOUR DARK GREY
WHITE, GREY (CLASS 'O')
SOCKET TYPE SOLVENT WELD