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Rotary and Blowing Valves

Rotary valves

The D rotary valves have been especially engineered for applications in the materials'extraction.
They are also used as proportioning device for drawing off materials. They can sometimes be used for pneumatic conveying.

The 4 models e.d. 8 , 16, 32 and 50 liters can be suplied in several versions to suit most applications.


Technical Specifications :

Housing :
Robust construction, molded with flanges.
Extra large square inlet which makes easier the charge of products in granular form.
Front edge in V shape which makes easier the charge of products in granular form.

Shields :
Molded with flanges. Possible extraction from the housing to avoid a bearing's accidental pressurization and therefore their jamming.

Rotors :
The rotor is either made of fabricated steel with no blade or in GS cast iron with blades in hardmetal. they are mounted on ballbearings of large dimensions.

Proofness :
Guaranteed throught three sprung lips seals that enable to avoid any manual intervention.

Standard equipment :
Pneumatic balancing chamber of the seals
Bearings' pressurization pitting
Pitting for greasers in the case of bearings using special greases

Drive unit :
D : MR (motor reduction) gearmotor in direct drive - MR gearmotor directly coupled with a chain drive under closed housing.
T : MR gearmotor directly coupled with a chain drive under closed housing.
  8L 16L 32L 50L Bodies and Flanges Rotor Drive Group
D T D T D T D
A     Cast iron Fabricated steel – Chamferred blades Motor reduction worm gears under direct drive
B       Cast iron Cast iron. Segmented Blades MR chain driving gear under closed housing with a wall setting up
C     Cast iron nickelled Fabricated steel 304 stainless steel. Not segmented blades
D   350 u chrome Cast iron, 250 u rectified Fabricated steel not segmented (8L) - 600 GS cast iron. Segmented blades (16 and 32L) – 350 u chromium-plated, 250 u rectified.
E   in 304 or 316 stainless molded Fabricated steel 304 or 316 stainless steel. Not segmented blades.
F   in 304 or 316 stainless molded 304 or 316 stainless steel 180 grain polished
G   in 304 or 316 stainless molded in 304 or 316 stainless steel 180 grain polished molded

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