General introduction about
Le Segment A.B
Segment A.B created by Amédée Bollée in 1928, is a company that has specialized in the production of tailor-made sealing segments according to customer specifications.
The workshops are equipped to produce all types of segments and between 8 mm and 2100 mm in diameter.
Quality control is integrated into each production step. The service ensures that products comply with customer specifications and can be traced back up to 50 years after their production.
The company was certified ISO 9001 and EN 9100 in 2022 (aeronautical certification). The certification renewed in 2025.
You will find below all the practical information on our website: https://www.lesegmentab.fr
Material Used :
Piston rings are made from many different materials, among them we use :
- Fonte FGL
- Bronze
- Acier Inoxydable
- Acier Alacrite
- Inconel
- Other materials requested by customers
Surface treatment :
The operations carried out on the surface of the segment allow the modification of their aspects, to do this we use :
- Phosphatation
- Tenifer
- Nitruration
- Chromage
- Sulfinisation
- Other treatments requested by customers
Realization :
The segments we manufacture allow different uses in particular :
- Aerospace
- 2 Stroke Engines
- Hydraulic
- Compressors
Types
“L” Shaped
L
Scraper taper-faced
EM
Keystone rectangular
K / T
Napler taper-faced
NM
Half keystone rectangular
HK/HT
Slotted oil control ring
S
Scraper
E
Bevelled oil control ring
G
Napier
N
Bevelled edge oil control ring
D
Sections
Rectangular
R
Barelled
B
Taper
M
Half conical range
SEMI M
Coil spring loaded oil control
SF
Cuts
Straight join
R
Baoynet Cut at 45°
SW
Right angled cut
OBD
Hook joint
SH
Left handed cut
OBG
Internal notch
NH
Step cut
SV
Side notch
NE
Chamfers
Peripheral edges Chamfred
KA
Inside edges
KI
Radiated externally Chamfered
KAR
Radiated internally Chamfered
KIR
Internal stepped
IW
Internal bevel
IF