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DN400 Wear Resistant Valve
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YZF series wear-resistant (corrosion-resistant) gate valves have four varieties: YZF-ⅰ YZF-ⅱ YZF-ⅲ YZF-ⅳ I, II, III and IV represent wear-resistant grades. The main difference is that the materials of overflow parts (retaining rings) and closing parts (gates) are different under different working conditions YZF-ⅰ ⅱ is suitable for cut-off of slurry transportation pipeline; YZF-ⅲ gate valve is suitable for cut-off of slurry conveying pipeline or throttle of light abrasion slurry conveying pipeline; YZF-IV gate valve is suitable for cut-off of slurry conveying pipeline or throttling condition of heavy abrasion slurry heavy corrosion slurry conveying pipeline.
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