Hastelloy butterfly valve imports the structure and characteristics: Hastelloy butterfly valve for the three-dimensional eccentric metal seal structure, the seal type of metal to metal seal, metal seal can be exchanged for the metal seal, Hastelloy plate and high-performance PTFE (graphite) composite Plate seal to metal seal. The special sealing system of the butterfly valve guarantees high sealing performance in all temperature ranges from ultra-low temperature to ultra-high temperature. The main wet chlorine, all kinds of oxidative chloride, chloride solution, sulfuric acid and oxidative salts, both in low temperature and hydrochloric acid have good corrosion resistance. Suitable medium: strong corrosive medium.
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