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Gravity Vee Diverter

The Gravity Vee Diverter incorporates a “dual gate” design with independent controls. This allows material flow to be diverted through both outlet chutes simultaneously, each chute individually, or a complete material shut-off. For total control over flow rates, the Gravity Vee Diverter is also compatible with Vortex material flow control assemblies, in order to achieve proper batchweights, ensure accuracy and provide repeatability in the manufacturing process.

Ideal application: Replacement for conventional bucket diverters and flap diverters used to divert dry bulk solid materials from one source toward two destinations in gravity flow applications. The Vortex® Gravity Vee Diverter™ is ideal for use in high cycle applications.

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Key Features

  • Allows material flow through both outlet chutes simultaneously, each chute individually, or a complete material shut-off

  • Replaceable bonnet seals for in-line maintenance

  • Live loaded, wear compensating hard polymer bonnet and side seals

  • The seals in each gate are protected by a series of deflectors and retainers, to reduce wear and extend service life

  • Positive seal of materials & dusts across the closed port(s) and to atmosphere

  • Mechanically self-cleans its seals with each actuation

  • No pinch points or exposed moving point for safety

  • No internal cavities to prevent wedging, lodging & spoilage

  • Flange and outlet chute angle options to match up with pre-existing footprints

Allows material flow through both outlet chutes simultaneously, each chute individually, or a complete material shut-off
Replaceable bonnet seals for in-line maintenance
Live loaded, wear compensating hard polymer bonnet and side seals
Total control over flow rates for metering

Tech Specs

Model No.


Conveyance Type

Gravity flow only. Contact us to discuss suitability for use in low pressure/vacuum applications.

Materials Handled

Non-abrasive to moderately abrasive powders, pellets and granules. Modifications available for handling sticky and/or corrosive materials & for wash-down.

Standard Sizes

6 – 24 in | 150 – 610 mm
Contact us for custom sizes

Inlet & Outlets

Available in square or rectangular sizes. Round transition options are available

Overall Height

25 – 60 in | 660 – 1,525 mm


130 – 400 lb | 60 – 180 kg

Outlet Chute Angle Options

45° or 60° from center
Contact us for custom angles

Flange Options

Standard flange, ANSI #125/150, DIN PN10
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, 304 or 316L stainless steel

Material Contact Options

304 or 316L stainless steel, carbon steel

Bonnet & Side Seal Options

PET, 25% glass-filled PTFE

Load Seal Construction

Silicone rubber

Roller Options

PET, hardened steel
25% glass-filled PTFE, stainless steel and bronze available by request

End Seal Options

UHMW-PE, polyurethane, PET, 25% glass-filled PTFE


Double-acting air cylinder, hand wheel, electric actuator

Position Confirmation

Magnetic reed, proximity or mechanical limit switches, and/or clear bonnet covers for visual indication

Material Flow Controls


Other Options

Dual cylinder actuators
Sealed body air purge


ATEX Zone 20 (internal), ATEX Zone 21 (external), FDA

Power of Comparison

Vortex Gravity Vee Diverter vs. Alternatives

• Flap diverters should not be shifted through a flowing column of material. Doing so can damage the blade and blade shaft. Instead, it is recommended to shut off material flow before shifting the flapper blade. To do so often requires an additional isolation gate above the diverter valve. The Vortex® Gravity Vee Diverter™ is a dual-purpose valve, used as both a diverter valve and as an isolation gate. Both gates can be open to divert through both outlet chutes simultaneously, one gate can be open to divert through one outlet chute independently, or both gates can be closed for a positive material shut-off. It is an ideal solution because it eliminates the need to purchase an additional gate above, and it improves processing speeds by shifting through a flowing column of material, rather than closing off the system to shift a bucket or flap diverter.

• To eliminate metal-on-metal contact, the Gravity Vee Diverter incorporates hard polymer bonnet seals and side seals. Hard polymer provides greater wear resistance and longer service life than alternative sealing materials. The hard polymer seals are "live loaded" with compressed rubber backing to ensure even as the polymer experiences frictional wear from many actuations over time, the rubber load seals continuously force the polymer seals against the blades. This design maintains the diverter's positive seal of materials/dust-tight seal with infrequent maintenance intervention.

• A problem inherent in alternative diverter designs is material packing along the bucket or flapper blade and its seals, resulting in actuation and sealing issues. To ensure positive material shut-off, the Gravity Vee Diverter's sliding blades are designed to mechanically clear materials away from the sealing surfaces with each actuation. With each closing stroke, the sliding blades mechanically self-clean their side seals. With each opening stroke, each gate's bonnet seals prevent the blade from carrying materials back into the bonnet area. Both of these design features ensure migrant materials are forced back out of the seals and are discharged into the process line, rather than packing in the seals and causing actuation issues.

• If materials and dusts begin to migrate and collect in either gate's bonnet area, it indicates that the gate's bonnet seals have partially worn and the compression load is lessened, causing the seals to no longer be forced against the sliding blade as they should be. With this maintenance indication, both gates feature access slots on each side of the gate that allow bonnet seal replacement while the diverter remains in-line. Using simple tools, new bonnet seals are driven into one access port as the worn bonnet seals are simultaneously ejected on the other side of the gate, through the opposite access port.

• When the gates are closed, if materials and dusts begin to leak past the sliding blades, it indicates that the gate's side seals have partially worn and the compression load is lessened, causing the blade to no longer be forced against the side seals as it should be. With this maintenance indication,the Gravity Vee Diverter's gates feature cam-adjustable rollers that can be utilized to restore the gate's dust-tight seal. Using simple tools, the cam rollers can be adjusted to lift the sliding blade against the side seals and restore the compression load. This maintenance process can be performed while the diverter remains in-line, and can be repeated several times before the side seals must be replaced.



Material contact is 316L stainless steel.


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


Modifications are made allowing 250 F (121 C) continuous to 300 F (149 C) intermittent service.


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


Hardened steel rollers replace standard nylon rollers and an additional bonnet seal protector is installed.


Bonnet is manufactured with solid, gasketed covers.  (Allows the valve to accept air purge.)


Modifications are made to handle medium abrasive products.  Includes flow deflector and 3/16″ stainless blade. (Must add the -HS modification for hardened steel rollers.)

*Additional modifications available based on application.


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