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QUANTUM SERIES

Clear Action Gate

Designed to seal against pressure from below. When a rotary airlock is idle, the Clear Action Gate is closed to prevent air loss into upstream equipment. This prevents line plugs and improves blower efficiency. A Clear Action Gate can also act as a maintenance device to isolate upstream equipment, if airlock maintenance is necessary.

Ideal application: Isolating a rotary airlock from a feeder above. Flange patterns are customizable to match up with any rotary airlock in the industry.

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Key Features

  • Positive seal of materials/dust-tight seal across the blade and to atmosphere

  • Live loaded, wear compensating hard polymer pressure plate seals

  • Enhance conveying efficiency by preventing air loss

  • Constructed from specialized metals and polymers for application-specific durability

  • Optional air purge assembly keeps fine materials in the flow stream, to prevent them from collecting in the gate's body

  • Stainless steel liners protect the gate’s seals from material flow

  • No pinch points or exposed moving point for safety

  • Horizontal or vertical orientation

  • Narrow profile for limited space applications

Positive seal of materials/dust-tight seal across the blade and to atmosphere
Live loaded, wear compensating hard polymer pressure plate seals
Enhance conveying efficiency by preventing air loss

Tech Specs

Model No.

JAXX

Conveyance Type

Gravity flow & 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. Modifications available for handling corrosive materials and/or for wash-down.

Standard Sizes

6 – 16 in | 150 – 400 mm

Opening

Available in round sizes. Square, round or rectangular mating flanges are available.

Overall Height

4 – 8 in | 95 – 200 mm

Weight

55 – 180 lb | 25 – 80 kg

Flange Options

Standard stud bolt pattern, ANSI #125/150, DIN PN10, JIS 10, Custom flanges are available

Material Temperatures

250°F | 120°C for standard gate

Body/Frame Construction

Aluminum

Material Contact Options

304 or 316L stainless steel

Pressure Plates Option

Nylon, PET

Load Seal Construction

Silicone rubber

Drive/Actuation

Double-acting air cylinder, hand wheel/crank, chain wheel, electric actuator

Position Confirmation

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

Material Flow Controls

AVP, IVP, VPO, VPC

Other Options

Sealed body air purge
Special Service Inlet

Compliance

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

Power of Comparison

Vortex Clear Action Gate vs. Alternatives

• Many alternative slide gates and butterfly valves rely on soft rubber seals which are directly exposed to the material flow stream. These seals rapidly erode or tear away in service. Others rely on bonnet packing, which can relax and allow material packing in the seals. These deficiencies promote leakage of materials and dusts past the gate and toatmosphere, in addition to actuation issues and several other maintenance concerns. The Vortex® Clear Action Gate™ addresses these issues by incorporating "live loaded" hard polymer pressure plate 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 blade. The seals are also shielded from the material flow stream, to protect them from abrasion. This design maintains the gate's positive seal of materials/dust-tight seal with infrequent maintenance intervention.

• Many alternative slide gates allow metal-on-metal sliding, which creates galling. This causes a gate to seize and bind, and can create foreign metal fragment contamination. The Clear Action Gate's hard polymer seals eliminate metal-on-metal contact to resolve each of these concerns.

• Many alternative slide gates and butterfly valves have open cavities where materials can wedge and prevent positive material shut-off. Wedging can also create seal wear and material degradation, and cause a gate to seize and bind. Wedged materials also create risk for cross-contamination and spoilage. To prevent wedging and ensure positive gate closure, the Clear Action Gate's machined, square-edged blade is designed to mechanically clear materials away from the sealing surfaces with each closing stroke. This ensures 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.

Modifications

S

Material/metal contact is 316L stainless steel.

GP

Internal welds and surfaces where material contacts metal are ground and polished.

P

The gate inlet and outlet have 10 gauge flanges with bolt pattern to match a 125/150# ANSI bolt pattern.

WS1

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

*Additional modifications available based on application.

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