Page 171 - Practical Machinery Management for Process Plants Major Process Equipment Maintenance and Repair
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Positive Displacement and Dynamic Blowers 153
ARROWS INDICATE PROPER DIRECTION OF ROTATION
SINGLE THlCKNESS AIRFOIL RADIAL TIP
BACKWARD CURVED
rl
AIRFOIL RADIAL FORWARD CURVED
Figure 4-9. Wheel designs and rotations. (Courtesy CBlCP Ltd.)
BACK PLATE
WEARING STRiP
‘A’* FLOOR PLATE
Vi’’ BEADS ON BACK PLATE
Flgure 4-10. Wear strips. (Courtesy CBlCP Ltd.)
