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The Vortex Maintenance Gate is designed to shut off material from a hopper or silo when maintenance of downstream equipment is required. In the open position, it positively seals conveying air and material to atmosphere. The hand crank gearing is designed to close through material in case of an upset condition.

Key Industries Served: Agriculture, Chemicals, Foods, Minerals, Petrochemicals, Plastics, Textiles

Rated for ATEX Zone 0/20 internal and Zone 1/21 external

  • Self-cleaning action on closure eliminates material build-up
  • Unobstructed opening
  • Seals protected from blast abrasion
  • Serviceable while in-line
  • Narrow profile
  • Food friendly options available
  • Material construction options available
  • Gravity flow or dilute phase pneumatic conveying (pressure or vacuum)
  • Handles powder, granules and pellets
  • Horizontal or vertical valve orientatio
  • Standard sizes: 6″ – 18″ | 150mm – 450mm
SPECIFICATIONS  
MODIFICATIONS  
*more modifications available based on application
SC

Blade and gate liner are made of 304 stainless steel.

S-SC

Blade and gate liner are made of 316L stainless steel.

HT4

Modifications are made allowing 400 F (204 C) continuous to 450 F (232 C) intermittent service.

WS

Gate blade is electropolished. Polyethylene (PET or UHMW) pressure plate seals are used to replace nylon.

Size/Bore Options 6” to 18” Diameter Round or Square
Media Powder, Pellets, Granulars
Connection Options SVC Standard Flange, ANSI, DIN, JIS, or Custom Flanges
Media Temperature Up to 180°F (82°C) continuous to 250°F (121°C) intermittent service, modifications allow up to 400°F (204°C) continuous to 450°F (232°C) intermittent service
Media Pressure/Vacuum Up to15 psig, 1 barg, depending on size
Valve Construction Options 304 or 316L Stainless Steel, Aluminum, and/or Carbon Steel
Material Contact Options 304 or 316L Stainless Steel
Seal/Seat Material Nylon, PET, UHMW, Glass Filled Teflon, Natural Rubber, and/or Silicone Rubber
Drive/Actuation Hand Crank
Position Confirmation Visual Indication, Proximity Switch
Compliance Approvals CE, ATEX, FDA
Industry Use Agriculture, Chemicals, Foods, Minerals, Petrochemicals, Plastics, Textiles