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Home > Top Spare parts > ZENITH - Zenith Pumps BPB Series Precise Flow Control


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Zenith Pumps BPB Series Precise Flow Control

• Long Life - only three moving parts - components are
through hardened to Rc-54 or higher for wear resistance
and strength.
• Multi-pump Ratio Capability - outer drive gear allows
multiple pumps to be driven at different gear ratios by
a single motor.
Applications
Designed to provide stable, precise and repeatable flow
control of process fluids despite variations in temperature,
viscosity, and pressure. The Zenith BPB Series pumps are
broadly applied to metering services such as colorings,
catalysts, resins, flavorings, perfumes, vitamins, oils,
binders, adhesives, coatings, inhibitors, paints/varnishes,
polymers, lubricants, dyes, defoamers, pharmaceuticals,
urethanes, fuels, viscose, and many others for the world’s
top industrial companies

Zenith BPB Series pumps allow dependable control of
critical process streams or additives. High accuracy
eliminates costly overdosing associated with less accurate
methods, and the pumps often pay for themselves in
savings in one year or less. Concentrated solutions can
be precisely metered pulse-free without dilution.

Benefits and Features
• High Accuracy - stable, repeatable flow
control despite process variations in
temperature, viscosity, and pressure.
• High Pressure - precision manufacturing
techniques hold tolerances to ± .00005"
(1.25 micron), allowing gear clearances
to be kept to a minimum and high
process pressures to be achieved.
• Pulseless - precise rotary spur
gears provide smooth, continuous,
pulseless flow.
• Valveless - precision metering gears
eliminate troublesome check valves
used in reciprocating pumps.
• Active Flowmeter - unparalleled
mechanical precision combined with a
closed loop Zenith controller ensures
exact flow control without the addition
of expensive flowmeters.

Model 4391 4407 4776 5411 5596
Available
Capacities
0.16, 0.297, 0.584
1.168, 1.752, 2.92
(cc/rev)
0.16, 0.297, 0.584
1.168, 1.752, 2.92
(cc/rev)
0.16, 0.297, 0.584
1.168, 1.752, 2.92
(cc/rev)
0.16, 0.297, 0.584
1.752, 2.92
(cc/rev)
0.16, 0.297, 0.584
1.168, 1.752, 2.92
(cc/rev)
Flow Rate 0.025-8.3 GPH
1.6-525 cc/min
0.025-8.3 GPH
1.6-525 cc/min
0.025-8.3 GPH
1.6-525 cc/min
0.025-8.3 GPH
1.6-525 cc/min
0.025-8.3 GPH
1.6-525 cc/min
Temperature
Limit
300°F (150°C) 300°F (150°C) 300°F (150°C) 300°F (150°C) 300°F (150°C)
Recommended
Speed Range
10-180 rpm 10-180 rpm 10-180 rpm 10-180 rpm 10-180 rpm
Pump Rotation
(Facing Outer
Drive Gear)
CCW CCW CCW CCW CCW
Inlet Pressure
Range
0-300 psi
2068 kPa
40-500 psi
275-3447 kPa
40-500 psi
275-3447 kPa
0-300 psi
2068 kPa
0-300 psi
2068 kPa
Discharge
Pressure Limit
750 psi
5171 kPa
750 psi
5171 kPa
1500 psi
10342 kPa
1500 psi
10342 kPa
750 psi
5171 kPa
Viscosity Range 1-100000 cp 1-100000 cp 1-100000 cp 1-100000 cp 1-100000 cp
1/4" or 1/8" NPT
female or
1/2" OD tube
w/37° flare
300 Series SS
Trunnions
1/4" or 1/8" NPT
female or
1/2" OD tube
w/37° flare
300 Series SS
Trunnions
1/4" or 1/8" NPT
female or
1/2" OD tube
w/37° flare
300 Series SS
Trunnions
1/4" or 1/8" NPT
female or
1/2" OD tube
w/37° flare
300 Series SS
Trunnions
Port thru
rear plate
3/8?24 UNF
straight thread
1/4" flared rigid
tube connectors
Inlet/Outlet
Port
Connections
Pivot Mount to
non-wetted
L-5677 Saddle
Pivot Mount to
non-wetted
L-5677 Saddle
Pivot Mount to
non-wetted
L-5677 Saddle
Pivot Mount to
non-wetted
L-5677 Saddle
Pivot Mount to
non-wetted
L-5677 Saddle
Mounting
Materials of
Construction
400 Series
Stainless Steel
400 Series
Stainless Steel
400 Series
Stainless Steel
400 Series
Stainless Steel
400 Series
Stainless Steel
PTFE Lip with
fluoro elastomers
(Viton
®)
O-ring
D2
Universal
Face
Seal
D2
Universal
Face
Seal
PTFE Lip with
fluoro elastomers
(Viton
®)
O-ring
PTFE Lip with
fluoro elastomers
(Viton
®)
O-ring
Seals
Specifications

 

Model

BPB-4391

BPB-5596

BPB-4407

BPB-4776

BPB-5411

Summary

Standard Materials, Trunnion Porting, Lip Seal

As 4391 except Rear Plate Porting

As 4391 except All Metal Face Seal

As 4407 except 6 Binder Screws

As 4391 except 6 Binder Screws









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