User guide

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UNIVERSAL RAI (URAI-J) WHISPAIR AIR BLOWERS
URAI-J WHISPAIR AIR BLOWERS (with Grease Lubed Drive End)
BOM # *
FRAME INLET/DISCH SHAFT BARE
SIZE CONN. DIAMETER WEIGHT
74065020 33J 2" NPT 0.750" 84
74086020 36J 2.5" NPT 0.750 112
74066020 45J 2.5" NPT 0.875" 119
74087020 47J 3" NPT 0.875 138
74067020 56J 4" NPT 1.125" 180
Refer to Specification Sheet S-33A93
URAI-J-DSL WHISPAIR AIR BLOWERS (with Dual Splash Lubrication DSL )
BOM # *
FRAME INLET/DISCH SHAFT BARE
SIZE CONN. DIAMETER WEIGHT
T30417020 33J 2" NPT 0.750" 87
T30418020 36J 2.5" NPT 0.750 115
T30410020 45J 2.5" NPT 0.875" 122
T30412020 47J 3" NPT 0.875 141
T30415020 56J 4" NPT 1.125" 185
Refer to Specification Sheet S-30S03
URAI-J METRIC WHISPAIR AIR BLOWERS (with Grease Lubed Drive End)
BOM # *
FRAME INLET/DISCH SHAFT BARE
SIZE CONN. DIAMETER WEIGHT
TBD 33J 2" BSP 19 mm 84
740860M0 36J 2.5" BSP 19 mm 112
TBD 45J 2.5" BSP 24 mm 119
TBD 47J 3" BSP 24 mm 138
TBD 56J 4" BSP 28 mm 180
Refer to Specification Sheet XXXXXX
URAI-J-DSL METRIC WHISPAIR AIR BLOWERS (with Dual Splash Lubrication DSL )
BOM # *
FRAME INLET/DISCH SHAFT BARE
SIZE CONN. DIAMETER WEIGHT
TBD 33J 2" BSP 19 mm 87
T304660M0 36J 2.5" BSP 19 mm 115
TBD 45J 2.5" BSP 24 mm 122
T304550M0 47J 3" BSP 24 mm 141
TBD 56J 4" BSP 28 mm 185
Refer to Specification Sheet XXXXX
Universal RAI-J air blowers incorporate the patented WhispairTM design in addition to the
same features as the original URAI blowers. The URAI-J's are center timed, however the
WhispairTM benefits can only be realized when the jet is located in the discharge position.
Basic Connection & Drive Shaft Information