Concentric and Eccentric swages; also referred to as: reducing nipples, swedge nipples or pipe swages are manufactured in accordance with MSS-SP-95. Swage nipples are used to make the connections between pipe fittings. Swages are often used in a high pressure testing equipment in a piping line where there is a reduction between two sizes or pressure levels. Bringing the flow of fluids from one pipe size to another with a smooth flow, a fundamental requirement necessary to stand up to harsh petrochemical environments. 

Swage nipples meet NACE MRO175 and/or NACE MRO103 compliance.

All swage nipples meet dimensional specifications of MSS-SP-95.

Material purchased is fully traceable to the mill source through our MTR reports, available at any time by request.

Concentric swages from 1/4" through 8"

Eccentric swages from 1/4" through 4"


All swages available with end configuration of plain, bevel, threaded, groove or combination of any two.

Wall Thickness:

Standard (std) S/40

Extra  Heavy (XH) S/80

Schedule 160 S/160

Double Extra Heavy (XXH) S/XX