
Series BN
Small Batch Mixer, 1750 rpm
Direct Drive, Clamp Mount
ᔡ
Neptune’s premier line of small direct
drive mixers for mixing small batches of
ow viscosity fluids.
l
Features
ᔡ
Mounting ease. Clamp cannot slip,
preventing propeller from hitting side
of tank.
ᔡ
uick, easy adjustment between
Q
“angled-on-center” and “angled-offcenter” positions without tools.
Model Standard Shaft Shaft
umber Motor Description Length Diameter
N
Totally-enclosed fan-cooled (TEFC)
BN-1.0 1/4 HP-1-115/230 32"
N-2.0 1/3 HP-1-115/230 32"
B
N-2.2 1/3 HP-3-230/460 32"
B
BN-3.0 1/2 HP-1-115/230 32"
BN-3.2 1/2 HP-3-230/460 32"
xplosion-proof class 1 group D (EP)
E
BN-2.1 1/3 HP-1-115/230 32"
BN-2.3 1/3 HP-3-230/460 32"
BN-3.1 1/2 HP-1-115/230 32"
BN-3.3 1/2 HP-3-230/460 32"
Air motor
BN-4.0 1/4 HP to 1/2 HP AIR 32"
To develop 1/4 HP at 1725 RPM requires 10 CFM at 15 PSI;
1/3 HP at 1725 RPM requires 12 CFM at 20 PSI;
1/2 HP at 1725 RPM requires 22 CFM at 40 PSI.
1
⁄2"
1
⁄2"
1
⁄2"
5
⁄8"
5
⁄8"
1
⁄2"
1
⁄2"
5
⁄8"
5
⁄8"
5
⁄8"
Coupling is fully enclosed.
ᔡ
Motors are available in TEFC or
explosion-proof enclosures (56C
frame). Air motors also available.
ᔡ
Off-the-shelf delivery.
ᔡ
Shaft and Prop 316SS.
ᔤ
ᔡ
Clamp adjusts to any angle.
PVC coating available.
MODEL
BN-3.0
Series L
Laboratory Mixers
Bar, Clamp and Bracket Mount
Neptune’s Laboratory Mixers are available in air or electric drive
with clamp or bracket mount. The air motors include a control valve
and muffler. Shaft and Prop 316SS.
Model L-1-AC includes a C-clamp and the air supply pipe passes
through the C-clamp. Model L-1-A does not include a C-clamp but the
air supply pipe will fit a standard one-half-inch laboratory bar clamp.
Cord and plug are standard with 1550 rpm electric models.
Operating speed ranges from 200 to 2000 rpm with air motors.
Model Standard Mount Shaft Prop. Shaft
Number Motor Description Type
Totally-enclosed fan-cooled (TEFC)
L-1-CL 1/20 HP-115-60 “C” Clamp 1550 30" 3"
L-1-CL 24 1/20 HP-115-60 “C” Clamp 1550 24" 3"
L-1-CL 18 1/20 HP-115-60 “C” Clamp 1550 18" 3"
L-1-BK 1/20 HP-115-60 Bracket 1550 30" 3"
Air motor
L-1-A *HP Air Motor Lab Clamp Variable 20" 3"
L-1-AC *HP Air Motor “C” Clamp Variable 20" 3"
Air (speed) control valve included on air motor models
* Develops 0.10 HP @ 2000 RPM Requires 6 CFM @ 60 PSI
0.175 HP @ 2000 RPM Requires 10 CFM @ 60 PSI
RPM
Length Diameter Diameter
MODEL
L-1-BK
MODEL
L-1-CL
5
⁄16"
5
⁄16"
5
⁄16"
5
⁄16"
5
⁄16"
5
⁄16"
10

Series A and B
Economy Batch Mixer, 1750 rpm
Direct Drive Clamp Mount
Neptune’s economy line of small direct drive
mixers for small batches of low viscosity fluids.
Features
ᔡ
Universal motor mount accepts 48 and
56 frame foot mounted motors.
ᔡ
Motors are available in TEFC or
explosion-proof enclosures.
ir motors also available.
A
ᔡ
Off-the-shelf delivery.
ᔡ
Shaft and Prop 316SS.
ᔤ
PVC coating available.
ᔡ
Clamp adjusts to any angle.
ODEL
M
B-1.0
Model Standard Shaft Shaft
umber Motor Description Length Diameter
N
Totally-enclosed fan-cooled (TEFC)
-1.0 1/4 HP-1-115 32"
A
-1.0 1/4 HP-1-115/230 32"
B
B-2.0 1/3 HP-1-115/230 32"
B-3.0 1/2 HP-1-115/230 32"
-3.2 1/2 HP-3-230/460 32"
B
Explosion-proof class 1 group D (EP)
B-3.1 1/2 HP-1-115/230 32"
Air motor
B-4.0 1/4 HP to 1/2 HP AIR 35"
To develop
1/4 HP at 1725 RPM requires 10 CFM at 45 PSI;
1/3 HP at 1725 RPM requires 14 CFM at 60 PSI;
1/2 HP at 1725 RPM requires 18 CFM at 80 PSI.
Laboratory-type
Air Mixer
MODEL L-1-AC
with C-clamp as shown
MODEL
B-4.0
1
⁄2"
1
⁄2"
1
⁄2"
5
⁄8"
5
⁄8"
5
⁄8"
5
⁄8"
Series BC
Direct Drive Air Mixer
Clamp Mount
Neptune’s clamp mounted,
air driven mixer uses
316SS shaft and
316SS marine
propellers.
Knob allows
clamp to be loosened
without tools to adjust
shaft angle. Handle
allows firm grip on mixer
when positioning. Three
blade left-hand marine
propellers pump downward in
normal operation. Air control valve
included to allow speed adjustment.
Motor may be stalled without damage.
Model Motor
Number Horsepower
BC-5.4-27S 1 HP Air Motor
BC-5.4-36S 1 HP Air Motor
BC-5.4-48S 1 HP Air Motor
BC-7.4-27S 2 HP Air Motor
BC-7.4-36S 2 HP Air Motor
BC-7.4-48S 2 HP Air Motor
BC-7.4-60S 2 HP Air Motor
Air set not included. Order P/N 100804 for complete air set consisting of regulator, filter and lubricator.
* To specify dual props: change “S” in Model Number to “D”.
Air Consumption: 1 HP – 16 CFM at 70 PSI;
2 HP – 20 CFM at 70 PSI.
Shaft Propeller Size
Diameter Length Single Dual*
5
⁄8" 27" 6" 6"
5
⁄8" 36" 6" 6"
5
⁄8" 48" 6" 6"
3
⁄4" 27" 8" N/A
3
⁄4" 36" 8" 8"
3
⁄4" 48" 8" 8"
3
⁄4" 60" 8" 8"
MODEL
BC-5.4-27S
11