Seal Rings for BOCI Laser Cutting Heads
These sealing rings are specially developed for BOCI laser cutting heads, including models from the BLT3, BLT4, BLT5, BLT6, BLT8, and BLT9 series. Made with ultra-thin, high-hardness stainless steel springs, they feature excellent flexibility, durability, and high yield strength to ensure stable sealing performance. With wide compatibility covering models such as BLT421, BLT441, BLT461, BLT481, BLT640, BLT641, and more, these sealing rings help maintain cutting stability, prevent leakage, and extend the service life of the cutting head.
Product Features
Product Dimensions
Number | Part Number | Suitable for |
---|---|---|
1 | D23-D31-T3.45 | BLT310, BLT310T |
2 | SRLC-P385 | BOCI BLT4 Series: BLT420, BLT420S, BLT440F, BLT460F, BLT421, BLT441, BLT461, BLT481, BLT4101, BLT421T, BLT441T, BLT461T, BLT442, BLT462, BLT482, BLT4102, BLT4122, BLT421S, BLT421TS, BLT442P, BLT462P, BLT482P, BLT4102P, BLT442T, BLT462T BOCI BLT5 Series: BLT510, BLT520, BLT520H, BLT540H, BLT560H BOCI BLT6 Series: BLT640, BLT641, BLT641H (15KW), BLT642H, BLT661, BLT661H, BLT641H (20KW), BLT662H, BLT681H, BLT682H, BLT6101H, BLT6102H, BLT662M, BLT682M, BLT6102M, BLT662MA, BLT682MA, BLT6102MA BOCI BLT8 Series: BLT840H, BLT860H BOCI BLT9 Series: BLT980MA, BLT9100MA, BLT9120MA |
3 | D46-D54.5-T3.7 | BLT6120H, BLT6140H |
4 | D33-D41.5-T3.7 | BLTA120M, BLTA140M, BLTA160M, BLTA180M |
Product Applications

Yupec Laser is a leading provider of advanced fiber laser solutions in Europe, specializing in the sales, technical support, and service of Raycus fiber lasers.
With years of experience and a team of industry experts, we will be happy to help you with all your laser and laser application needs.
For more information about our products and services, please feel free to get in touch with us. We look forward to collaborating with you and driving innovation together.