01Diverting at Elevator and Conveyor Outlets
Sending product from an elevator or conveyor to two different lines. The diverter is connected directly to the conveying equipment outlet.
Bucket ElevatorFlap Diverter Valves – Two-Way Diverting of Bulk Material
PRO MAKINA · Flap Diverter Valve
- Duty
- Directing the flow to one of two outlets
- Mechanism
- Flap pivoting on a shaft
- Actuation
- Manual, pneumatic or motorised
- Position
- Monitored by end-position switches
Overview
Controlled Diverting from One Inlet to Two Lines
A flap diverter valve is flow equipment that directs bulk material from a conveyor, elevator or bunker outlet to one of two outlet lines. The flap pivoting on a shaft inside the body closes one outlet while opening the other; the product flows by gravity into the open line.
The flap is moved between its two end positions by a handwheel or lever, a pneumatic cylinder or a rotary actuator. End-position switches report to the automation which outlet the flap is set to.
Body section, flap geometry and outlet angles are determined by the product flow. The surfaces on which the flap seats are designed to limit product leakage and build-up; wearing parts are replaceable.
01Process Flow
Flap Diverter Process Flow
The diagram shows the product arriving at the diverter inlet, the flap set to the selected outlet and the product transferred to the relevant line. Conveyor, elevator and target lines are separate equipment.
Scroll horizontally to view the full diagram.
Product line
- 1
Flow to inlet: Product arrives at the diverter inlet from a conveyor, elevator or bunker outlet.
- 2
Flap position: The actuator sets the flap to one of its end positions; the other outlet closes.
- 3
Position check: The end-position switch confirms the flap is at the correct outlet.
- 4
Transfer to line: Product flows by gravity through the open outlet to the selected line.
The flap position is changed after the feed has been stopped rather than under flow, so the flap is not forced against the product load.
02Applications
Flap Diverter Applications
01
02Bunker and Silo Line Selection
Taking product from a row of bunker or silo outlets into one of two lines. End-position switches on each diverter are wired to the automation.
Silo Systems
03Product and Recycle Split in Fertilizer Lines
Directing granular product between the product line and the recycle line. For abrasive products the flap and seating surfaces are made replaceable.
Fertilizer and Granulation Plants
03Design & Manufacturing
Custom Flap Diverter Design and Manufacturing
PRO MAKINA engineers flap diverter valves around the product, flow section, outlet angles, actuation type and position control requirement. Body, flap, shaft bearings, sealing and wear parts are designed together.
- Single-inlet, two-outlet body
- Flap pivoting on a shaft
- Manual, pneumatic or motorised actuation
- End-position switches
Process Design Data
- 01
Product
Product type, particle size, bulk density, abrasiveness and tendency to stick.
- 02
Section and Angles
Inlet section, outlet angles and layout of the connected lines.
- 03
Flap Geometry
Flap size, seating surfaces and sealing against product leakage.
- 04
Actuation
Handwheel or lever, pneumatic cylinder or motorised actuator.
- 05
Control
End-position switches, automation signals and maintenance access.
Section, outlet angles and actuator sizes are defined from product and line data; no generic values are stated on this page.
04Gallery
Flap Diverter Photo Gallery
05FAQ
Flap Diverter Valves FAQ
What is a flap diverter valve used for?
It directs bulk material from a single inlet to one of two outlet lines. The flap closes one outlet while opening the other.
How is the flap actuated?
The flap is moved by a handwheel or lever, a pneumatic cylinder or a rotary actuator. The choice depends on switching frequency and automation requirements.
What is the difference between a flap diverter and a slide gate?
A flap diverter directs the flow between two lines. A slide gate opens or shuts off the flow at a single opening with a sliding plate.
What is used for more than two lines?
A rotary distributor is used for selection among many outlets, or flap diverters are arranged in series according to the line layout.
What information is needed for a quotation?
Product type and bulk density, particle size, flow rate, inlet section, outlet angles, actuation type and automation requirements.
06Resources
Related Machines and Plants
DistributorDirecting product from one inlet to the selected silo or line.Slide GatesOpening and shutting off flow at silo and bunker outlets.Bucket ElevatorVertical bulk transport with a chain bucket elevator.Auxiliary & Flow EquipmentLoading, diverting, flow control and pneumatic air equipment.
Technical Quotation
Request a technical quotation for a flap diverter
Share your product, line section and outlet layout, and we will define the flap diverter valve together with you.
Information Needed for a Technical Quotation
- Product type and bulk density
- Particle size and abrasiveness
- Flow rate
- Inlet section and outlet angles
- Actuation type (manual, pneumatic, motorised)
- Position signal and automation