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 | |||||||||||||||||
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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 |