ZDLW high temperature welded butterfly valve structure is simple, small size, light weight, only composed of a few parts. ZDLW high temperature welded butterfly valve structure is simple, small size, light weight, only composed of a few parts. ZDLW high temperature welded butterfly valve structure is simple, small size, light weight, only composed of a few parts. Ku ka tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ Ka tɛ̈n yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen Butterfly valve ye tɔ̈u thïn ye tɔ̈u thïn ye tɔ̈u thïn ye tɔ̈u thïn ye tɔ̈u thïn ye tɔ̈u thïn ye tɔ̈u thïn. Elastic sealing valve, sealing rings can be mounted on the valve body or attached to the butterfly board. Valve ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ.