A PVC Vibro Sifter Machine used in the plastic processing industry is a high-efficiency circular screening unit designed specifically to separate, filter, and grade PVC resin powders, plastic granules, regrind materials, and masterbatches. Key Features & DesignMulti-Deck Separation Ring Design: Features modular screening decks secured with heavy-duty quick-release clamp bands, allowing easy screen replacement and maintenance.Dust-Tight Enclosed Hood: Prevents fine PVC powder and plastic dust from escaping into the factory environment during high-speed sifting. Heavy-Duty Spring Suspension: Industrial-grade coil springs isolate vibrations from the base, keeping noise levels low and ensuring stable operation. Multiple Discharge Chutes: Outlets positioned at distinct deck levels allow continuous discharge of oversized lumps, un-pulverized PVC particles, and uniform fine powders. Vibratory Drive Assembly: Powered by a heavy-duty unbalanced vibratory motor located in the lower housing, generating 3D multi-plane movement (horizontal, vertical, and tangential).Primary Functions in the Plastic IndustryPVC Resin Powder Sieving: Removes un-plasticized agglomerates, foreign contamination, and oversized lumps prior to extrusion or compounding.Plastic Granule & Regrind Grading: Separates uniform plastic pellets from fine dust, micro-pellets, and oversized runner scraps after pulverizing or granulating. Masterbatch & Additive Blending: Filters PVC dry-blends, pigments, stabilizers, and plasticizers to maintain consistency before pipe, profile, or sheet manufacturing. Key Specifications to ConsiderSpecificationTypical Industrial RangeDiameter Range24 inches to 60 inches (600 mm to 1500 mm)Material of Construction Stainless Steel (SS304 / SS316) or Heavy-Duty Carbon SteelNumber of Decks1 to 3 Decks (for 2 to 4 particle size separations)Mesh Sizes10 Mesh to 200+ Mesh (depending on powder or granule size)
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