User guide

25For your nearest ROOTS office contact information, please consult the last page of this document.
UNIVERSAL RAI (URAI) AIR BLOWERS
URAI AIR BLOWERS (with Grease Lubricated Drive End)
FRAME INLET/DISCH SHAFT BARE
SIZE CONN. DIAMETER WEIGHT
65102020 22 1" NPT 0.625" 32
65103020 24 2" NPT 0.625" 43
71048020 32 1.25" NPT 0.750" 69
65105020 33 2" NPT 0.750" 74
65106020 36 2.5" NPT 0.750" 102
65108020 42 1.5" NPT 0.875" 88
65109020 45 2.5" NPT 0.875" 109
65110020 47 3" NPT 0.875" 128
65112020 53 2.5" NPT 1.125" 143
65113020 56 4" NPT 1.125" 170
65114020 59 4" NPT 1.125" 204
65116020 65 3" NPT 1.375" 245
65117020 68 5" NPT 1.375" 285
65118020 615 6" Flange 1.375" 425
65120020 76 4" NPT 1.562" 400
65121020 711 6" Flange 1.562" 530
65122020 718 8" Flange 1.562" 650
Refer to Specification Sheet S-12K84
URAI-DSL AIR BLOWERS (with Dual Splash Lubrication DSL )
FRAME INLET/DISCH SHAFT BARE
SIZE CONN. DIAMETER WEIGHT
T30378020 32 1.25" NPT 0.750" 72
T30379020 33 2" NPT 0.750" 77
T30380020 36 2.5" NPT 0.750" 105
T30352020 42 1.5" NPT 0.875" 92
T30353020 45 2.5" NPT 0.875" 113
T30354020 47 3" NPT 0.875" 132
T30359020 53 2.5" NPT 1.125" 148
T30360020 56 4" NPT 1.125" 175
T30361020 59 4" NPT 1.125" 209
T30384020 65 3" NPT 1.375" 250
T30385020 68 5" NPT 1.375" 290
T30386020 615 6" Flange 1.375" 430
Refer to Specification Sheet S-27S03
Universal RAI air blowers include detachable mounting feet which permit vertical or horizontal installation.
The units are center timed for rotation in either direction. The bearings on the URAI are grease lubricated
on the drive end and splash lubricated on the gear end. The URAI-DSL is splash lubricated on BOTH ends.
BOM # *
BOM # *
URAI-G
TM
GAS BLOWERS (with Grease Lubricated Drive End)
FRAME INLET/DISCH SHAFT BARE
SIZE CONN. DIAMETER WEIGHT
710480G0 32 1.25" NPT 0.750" 69
651050G0 33 2" NPT 0.750 74
651060G0 36 2.5" NPT 0.750 102
651080G0 42 1.5" NPT 0.875" 88
651090G0 45 2.5" NPT 0.875 109
651100G0 47 3" NPT 0.875 128
651120G0 53 2.5" NPT 1.125" 143
651130G0 56 4" NPT 1.125 170
651140G0 59 4" NPT 1.125 204
651160G0 65 3" NPT 1.375" 245
651170G0 68 5" NPT 1.375 285
651180G0 615 6" NPT 1.375 425
Refer to Specification Sheet S-60A01
Universal RAI-G
TM
gas blowers include detachable mounting feet which permit vertical or horizontal
installation. Feet are different for vertical and horizontal mounting.
The units are center timed for rotation in either direction. The bearings on the Universal RAI-GTM are grease
lubricated on the drive end and splash lubricated on the gear end. ROOTS Synthetic lubricant is recommended.
UNIVERSAL RAI (URAI) GAS BLOWERS
BOM # *
Basic Connection & Drive Shaft Information