Double‑chain Stainless Steel Scraper Conveyor B630 Product Overview The B630 double‑chain stainless steel scraper conveyor is an enclosed bulk material transport machine. It adopts double‑chain traction structure, and material‑contact components are made of stainless steel. Scrapers pull bulk materials inside the closed housing for horizontal or small‑inclination conveying, preventing material spillage and dust emission. It serves working conditions requiring corrosion