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What is a Pneumatic Conveying System?
A pneumatic conveying system is an industrial bulk material transfer technology that transports dry bulk materials (like cement, fly ash, flour, plastic granules) from one point to another through pipelines safely and in a closed circuit using compressed air or vacuum.
- Working Principle: Materials are pushed or vacuumed through the pipeline by the kinetic energy of pressurized air supplied by blowers or compressors.
- Dense Phase Conveying (Denseveyor): Transports material in plugs through the pipe at low air velocity and high pressure, minimizing wear and dust generation. Ideal for fly ash and cement.
- Dilute Phase Conveying: Efficiently transfers light particles in a continuous suspended flow using high air velocity and low pressure.
- Advantages: Ensures zero dust emission and product loss due to its entirely enclosed design. Offers virtually zero maintenance costs compared to mechanical conveyors.
DUCON PNEUMATIC CONVEYING DIVERTER VALVE(MDV)
To divert a conveyed material stream into two pipelines in high - or low - pressure conveying systems
MDV VALVE Areas of application
The conveying diverter valve TYPE MDV is a two-way diverter valve for application in pneumatic high- and low-pressure conveyor systems. Suitable for conveying of dry, non-caking bulk goods from powdery up to abrasive. Because of variable sealing materials, bulk goods with temperatures up to 180° C can be conveyed without problems. The material cushion accumulation during dense stream conveying transfers the wear zone into the material cushion away from the valve walls.
Operation A shifting swivel arm distributes the bulk goods. The swivel arm is equipped with a gasket cone with easily exchangeable gaskets. Sealing is effected against hardened interior rings. Shifting is achieved via a pneumatic or electro-motoric swivel drive. Swivel drive with limit switches for position indication.
Pneumatic swivel drive with 5/2-way impulse magnetic valve guarantees secure operation - even during power outage.Material/design Housing: grey, nodular-cast iron or stainless steel casting Swivel arm: nodular- or stainless steel-cast iron Sealing ring: rubber, silicone, viton Painting: hammertone, silver-grey
