












New old stock, was never installed. Has some minor scuffs and blemishes from storage. 30 day money back guarantee.
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.
Ideal application: Shut off material flow when maintenance of downstream equipment is required or if an upset condition occurs.
PTFE-treated bonnet packing gland, for greater wear resistance and longer service life
Non-rising stem, for easier manual actuation
Hand crank actuation, as a standard
Designed to close through a standing column of material in the case of an upset condition
Optional Special Service Inlet to protect the seals from abrasion
Bonnet cover constructed from clear polycarbonate, for operator safety and to protect the gate from its environment
Constructed from specialized metals and polymers for application-specific durability
No internal cavities to prevent wedging, lodging & spoilage
Narrow profile for limited space applications
Conveyance Type
Gravity flow and dilute phase pneumatic conveying applications. Can handle differential pressures up to 15 psig | 1 barg | 0.1 MPa, depending on gate size. Can be used in pressure or vacuum systems.
Materials Handled
Non-abrasive to moderately abrasive powders, pellets and granules. Well-suited for handling corrosive materials and/or for wash-down.
Standard Sizes
6 – 20 in | 150 – 455 mm
ID & OD diameters are available.
Contact us for custom sizes.
Opening
Available in square or rectangular sizes. Round transition options are available
Overall Height
5 – 6 in | 115 – 140 mm
Weight
15 – 200 lb | 5 – 90 kg
Flange Options
Standard stud bolt pattern, DIN PN10, ANSI #125/150
Custom flanges are available
Material Temperatures
180° F | 80° C for standard gate, with modifications that allow up to 400° F | 205° C
Body/Frame Options
6061-T6 aluminum, painted carbon steel
Material Contact Options
304 or 316L stainless steel, carbon steel
End & Side Seal Options
Nylon, PET, UHMW-PE, 25% glass-filled PTFE
Bonnet Seal Construction
Bonnet seal cartridge with PTFE-treated packing gland
Clevis Construction
Ratio 5:1 ACME threaded rod
Drive/Actuation
Hand wheel/crank, chain wheel
Position Confirmation
Clear bonnet cover for visual indication and/or proximity switches
Other Options
Special Service Inlet
Compliance
ATEX Zone 20 (internal), ATEX Zone 21 (external), FDA