FLSmidth’s V-Series rotary airlock is designed to feed pneumatic conveying systems efficiently and at high-pressure differentials, up to 29 psig (2 bar). The V-Series feeder handles dry, fine powder or granular product in vacuum or pressure conveying systems.

The 10-vane open or closed end rotor design minimizes slip leakage while efficiently feeding through large inlet and outlet openings. The inlet flange has an inverted integrally cast plow for deflecting granular material. Pressurized air from the pockets is vented through a vent connection, keeping the air out of the inlet flange and maintaining even material flow.

The rotor shaft seals minimize air leakage with mechanical lip-type bronze labyrinth seals. The bearings are sealed deep ball bearings that provide very tight peripheral and end clearances. Connections for air purge seal protection are provided with single solenoid and pressure regulator.

The drive system includes a direct mounted right-angle bevel gear motor, TEFC, severe duty with integral variable speed drive (VFD) for modulating speeds of 30 rpm to 6 rpm. The V-Series feeder is both NFPA and ATEX rated and is available in six sizes: V200 to V600.
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Item #

Item Name

Open Capacity

Closed Capacity

Weight with Drive

Motor

N/A V-Series 0.20 Cubic Feet per Revolution (ft³/rev) Open Capacity Rotary Feeder/Airlock N/A 0.20 ft³/rev0.006 m³/rev N/A 0.18 ft³/rev0.005 m³/rev N/A 313 lb142 kg N/A 1.0 hp
N/A V-Series 0.50 Cubic Feet per Revolution (ft³/rev) Open Capacity Rotary Feeder/Airlock N/A 0.50 ft³/rev0.014 m³/rev N/A 0.46 ft³/rev0.013 m³/rev N/A 472 lb214 kg N/A 1.5 hp
N/A V-Series 0.83 Cubic Feet per Revolution (ft³/rev) Open Capacity Rotary Feeder/Airlock N/A 0.83 ft³/rev0.024 m³/rev N/A 0.75 ft³/rev0.021 m³/rev N/A 774 lb351 kg N/A 1.5 hp
N/A V-Series 1.84 Cubic Feet per Revolution (ft³/rev) Open Capacity Rotary Feeder/Airlock N/A 1.84 ft³/rev0.052 m³/rev N/A 1.66 ft³/rev0.047 m³/rev N/A 1085 lb492 kg N/A 2 hp
N/A V-Series 3.53 Cubic Feet per Revolution (ft³/rev) Open Capacity Rotary Feeder/Airlock N/A 3.53 ft³/rev0.01 m³/rev N/A 3.23 ft³/rev0.091 m³/rev N/A 1779 lb807 kg N/A 3 hp
N/A V-Series 6.76 Cubic Feet per Revolution (ft³/rev) Open Capacity Rotary Feeder/Airlock N/A 6.76 ft³/rev0.191 m³/rev N/A 6.31 ft³/rev0.179 m³/rev N/A 2630 lb1193 kg N/A 3 hp
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