Ring joint gasket Raw materials: Carbon steel, stainless steel 304, 316, 347, 317 ect.
Shapes: Lens, octagonal, or oval
Applicable scope: Temperature: -200~800oC
Pressure: 0~40Mpa
Suitable to: Sealing of flanges at high temperature and pressure pipings
Standard: ASME 16.20, API 6A
HGJ73-91 HG/T88-94 HGJ74-91 JB/T89-94 GB9128.1-88
SHJ403-88 GB9128.2-88 HGJ74-91 JB/T89-94 SHJ403-88

It is widely applied in petroleum processing, oil refining, electricity generated by firepower, textile and other light industries, pharmacy, pipeline of nature gas, valve etc. A strict QA system has been set up in accordance with ISO9001 for the whole process of our production and we practice a standardized management mode with the microcomputer network management system for all management departments.

Since ISO9001 Quality management has been implemented, our level of inspection means and technology has played a leading role in the sector of sealing elements and we have become a member of the science and technology information network of the packing static sealing sector of the state mechanical industry. Besides, we have gained 4 certificates of state patent.