NEW BRUNSWICK SCIENTIFIC BioFlo 4500, Manual To Operations

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BioFlo 4500 M1254-0050 User’s Guide
24
Ports
Description Fitting/Size Location Notes
Spare Ingold Type
25 mm
Lower Side Wall For insertion of redundant
probe or third party sensors
or samplers.
Redox or
turbidity probes available as
options: please inquire.
Harvest/Drain Valve Plunger-type
NBS Valve
Bottom Standard, equipped with 1/4"
quick-connect fitting
Jacket Pressure Relief
Valve 1/2" NPT Jacket Standard, rated at 35 PSIG
Jacket Water Out 1/2" NPT Jacket Standard
Jacket Water In 1/2" NPT Jacket Standard
Piping and Instrumentation with ML-6100 Controller
Materials Process All process piping, valves, and associated components
are Type 316L stainless steel
Non-Process Type 316L or Type 304 stainless steel
Gaskets Silicone
O-rings Ethylene Propylene EPDM
Temperature Sensor Platinum RTD sensor in thermowell
Actuator Four high watt density cartridge heaters in the bottom of
the vessel (675W in 20L vessel & 850W in 30L vessel).
Cooling water is admitted into the jacket through the
temperature control valve and the flow control valve.
Control Mode PID with constants factory-set at P = 39, I = 1.3,
D =0, PWM 0-100%, 2 Ch Direct, and Period 10
Range
5
°
C above coolant supply temperature to a maximum of
85
°
C
±
0.2
°
C
Display
Current value, setpoint, controller output % displayed
on virtual display gauge at touchscreen
Agitation Speed Sensor Frequency 1000 Line Encoder
Drive 1 HP, direct drive, AC, top-mounted motor. Allows OTR
of 350 mMoles/L/hr
Control Mode Direct w/ Enable and PID with constants factory-set at P
= 0.30, I = 4.0, D =0
Range
50-1000 rpm
±
1 rpm
Bearing Housing Standard single or optional double mechanical seals
Display Current value, setpoint, controller output % displayed
on virtual display gauge at touchscreen
Aeration Air inlet filter Steam-sterilizable absolute 0.2µ filter that continuously
removes viable organisms, cartridge- type 316 L,
stainless steel housing, Domnick Hunter.
NOTE: Relative humidity must be less than 95%.
Other brands can be supplied upon request
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