Application:
Suitable for pipe flanges connecting and sealing in petrochemical, nuclear, chemical, chemical fiber, metallurgy, atomic energy, aerospace thermoelectric, light industry and pharmacy industry.
We provide the following types in international standards:
GB91821-2-88、SH3406-96、HGJ74-91、JB/T89-94、JB89-59、XYJ15-65、ANSI16、20、JPI-7S-2S、API.
(PS:we also produce special type on your special need )
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