40D Knife Gate Valve

Overview

For nearly 20 years, the United Conveyor Corporation (UCC) 40D Knife Gate Valve has delivered reliable performance in over 5,000 installed units worldwide. Designed specifically for on/off pipeline isolation service in pneumatic conveying applications of abrasive material such as dry ash, this rugged and easy to maintain valve is a proven industry standard.

UCC has taken this reliable design and incorporated several enhancements for improved sealing performance, greater reliability and extended service life. The 40D knife gate valve is shipped fully assembled to reduce field assembly and installation costs.

Features & Benefits

ADVANTAGES

  • Superior Sealing Performance
    • Spring-loaded packing design maintains seal pressure during operation, preventing leakage and extending the life of the blade and packing
    • Multi-layered PTFE impregnated yarn reduces friction on the blade providing a pressure-tight seal and easy operation
    • Rounded blade edges provides improved sealing and prevents packing damage
    • Crowned, packing gland maintains uniform pressure on the packing
    • Precision-machined blade guides prevent lateral gate movement assuring proper blade operation
    • Adjustable blade wedge pins (branchline only) align the blade tight against the seat
  • Longer Service Life
    • Replaceable seat, flow cone and wear liner allow the valve to be economically rebuilt
    • Stainless steel blade provides excellent corrosion resistance
    • Replaceable blade wedge pins (branchline only) allow the body to be reused
  • Optional Components
    • Blade material options: 304 or 316 stainless steel
    • Seat material options: hardened ductile iron or ceramic tiled
    • Flow cone material options: hardened ductile iron, ceramic tiled or tungsten carbide
    • Wear liner material options: hardened ductile iron or ceramic tiled
    • Actuator options: air cylinder, handwheel, chainwheel or motor operator
    • Roller lever type and proximity limit switches are available with pre-drilled brackets for easy installation
    • Purge air kit allows material buildup to be flushed from the body cavity
    • Rainhood provides environmental protection
    • Pre-piping options:
    • Brass or stainless steel Swagelok® fittings
    • Rubber or stainless steel Swagelok hoses

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