Compression

Compression adaptors are available in Light Series (L Series) and Heavy Series (S Series). Metric threads are used and customers may require nuts and cutting rings for this range.

Compression – EN ISO 8434-1 – Pressure Ratings and Torque Values

Tighten connection by turning from finger tight position plus 1.5 turns.

Series Tube OD mm Thread Working Pressure
Mpa bar psi
L 6 M12 x 1.5 25 250 3625
L 8 M14 x 1.5 25 250 3625
L 10 M16 x 1.5 25 250 3625
L 12 M18 x 1.5 25 250 3625
L 15 M22 x 1.5 25 250 3625
L 18 M26 x 1.5 16 160 2320
L 22 M30 x 2 16 160 2320
L 28 M36 x 2 10 100 1450
L 35 M45 x 2 10 100 1450
L 42 M52 x 2 10 100 1450
S 6 M14 x 1.5 63 630 9135
S 8 M16 x 1.5 63 630 9135
S 10 M18 x 1.5 63 630 9135
S 12 M20 x 2 63 630 9135
S 16 M24 x 2 40 400 5800
S 20 M30 x 2 40 400 5800
S 25 M36 x 2 40 400 5800
S 30 M42 x 2 25 250 3625
S 38 M52 x 2 25 250 3625

DESIGN DETAILS AND SPECIFICATIONS SUBJECT TO CHANGE WITHOUT PRIOR NOTICE – Whilst every effort has been made to ensure the accuracy of the information supplied herein, Burnett & Hillman cannot be held responsible for any errors or omissions (E&OE). Working pressures quoted are taken from the relevant standard and are provided as a guide only.

Looking for specific dimensions, alternative thread styles, or configurations? Click below to search our full inventory of UK-manufactured Compression components across all sizes, including DIN 2353 compliant fittings, bite-type olive connectors, cutting rings, coupling nuts, and S-Series or L-Series metric adaptive configurations.