Speed Variators high speed pvc door

Speed Variators high speed pvc door;

gearbox and speed reducer ;

worm reducers, worm gearboxes, 

single phase, neutral, and earth power supply complete .
Widely used for Acoustic doors,cold store doors,crash doors,
fast action doors,fire doors,hangar doors ,hermetic doors,hygienic doors,polyethylene doors,Sectional Overhead Doors,Security Doors,
Sliding Doors,Steel Doors,Swing Doors,Traffic Doors,Waterproof Doors;