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Single-axis dual-block door is one of the shutter-type smoke gas blocking series, using mechanical sealing plus compressed air sealing dual sealing structure, ensuring sealing effect. Single-axis dual-block door is one of the shutter-type smoke gas blocking series, using mechanical sealing plus compressed air sealing dual sealing structure, ensuring sealing effect. Kä ye looi aye looi në tɛ̈n yenë kɔc bɛ̈ɛ̈i ya tɔ̈ɔ̈u në tɛ̈n yenë kɔc bɛ̈ɛ̈i ya tɔ̈ɔ̈u në tɛ̈n yenë kɔc bɛ̈ɛ

Single-axis double-block door is mainly used in smoke air pipeline system, as a cutting medium for, with full open and full shut function, operation flexible, operation reliable, after closing, can ensure no media leakage into the smoke gas block back pipeline. Kɛ kui kä ye kek looi, a lëu bï carbon steel ya tɔ̈ɔ̈u, ku kɛ kui kä ye kek looi, a lëu bï nickel-based alloy ya tɔ̈ɔ̈u.