• The YFL polyurethane lined knife gate valve has strong abrasion resistance;
• The blade type disc of the YFL PTFE lined knife gate valve is helpful to cut off the medium and discharge the residue so that the knife gate valve can be operated without blocking;
• The lift type wedge can scrape the adhered medium on the seal face automatically;
• Short face to face, light weight, small installation space needed, easy to install and dismantle;
• Soft seal, metal seal, single direction seal, bidirectional seal are available;
• Handwheel, bevel gear, pneumatic, electric, sprocket wheel, electric-hydraulic operated available.

Product range:

• Size: DN50～DN2000 2’’～80’’
• Pressure rating: PN10 PN16 150lbs
• End connection: Flanged Wafer Lugged
• Body materials: WCB+ Polyurethane lined CF8+ Polyurethane lined etc.
• Wedge materials: 304 316 etc.
• Operation: Handwheel bevel gear pneumatic electric sprocket wheel electric-hydraulic operated

Technical standards:

• Design: MSS SP-81
• Face to Face: MSS SP-81
• Flanged ends: ASME B16.5
• Test and inspection: MSS SP-81