[Flo-Products Company Logo]

Arrow Pneumatics, Inc.

Air Dryers

Series BP Blower Purge Regenerative Air Dryer

Series BP air dryers are more economical to operate than heated or heatless regenerative dryers. An external blower supplies heated atmospheric air as the purge air source for regeneration. This allows total air compressor capacity for plant operations. Eliminating the use of compressed air as purge allows the plant to more economically size the compressor only for plant operations. The blower purge offers the same easy maintenance features found in our heated regenerative dryer. The blower is designed for industrial applications and has an intake filter that protects the blower and dryer from damaging air born particles.
 
BP dryer Standard Features of Blower Purge Regenerative Dryers:
  • Externally mounted heater allows easy element service and efficiently conducts heat uniformly throughout the desiccant eliminating localized hot spots, desiccant fusing and heater burnouts. Heater elements are incoloy sheathed for long, trouble free service.
  • Heater thermostat controls and maintains user adjusted regeneration temperature to account for chaging flow or seasonal moisture variations.
  • Interlock circuit protects units from heater burnout due to loss of purge air flow.
  • Non-lubricated control valves are pneumatically actuated to provide maximum dependability and maintenance free operation.
  • Fully automatic to provide the most efficient operation.
  • Panel mounted gauges provide accurate monitoring of tower pressures.
  • Indicator lights display tower operating status.
  • Visual moisture indicator detects increase in dew point on outlet air flow.
  • Controlled repressurization gradually increases pressure in the tower to eliminate line surges and desiccant attrition.
  • Controlled repressurization gradually increases pressure in the tower to eliminate line surges and desiccant attrition.
  • Removable stainless steel diffuser screens disperse air flow for maximum desiccant capacity and to allow uniform air distribution throughout the desiccant bed.
  • NEMA 4 electrical construction.
  • Power on indicator to show dryer is energized and functioning.
  • Tower relief valves to prevent overpressurization.
  • ASME coded and stamped vessels
  • Separate fill and drain ports for easy desiccant change.
  • Microprocessor controls provide reliable sequencing of dryer functions.
  • Control air line filter with replaceable element to protect pneumatic circuitry.
  • Exhaust purge muffler for quiet operation.
  • Heavy-duty blower designed for long life with intake filter to protect the blower and dryer from damaging particles.
  • Butterfly throttle valve controls amount of purge air.
  • Pressure alarm package indicates failure to shift, failure to depressurize, failure to represurize and failure to purge.
Standard design conditions are 100°F inlet, 100 psig and 100°F ambient. The "BP" series has a capacity from 35 to 2100 CFM at 100 psig. Maximum standard operating pressure is 150 psig. Standard voltage is 480 VAC, three phase, 60Hz. In/out connections range from 1-1/2" NPT to 10" flange. Pre and after filters must be used with all regenerative air dryers. There are a number of panel and electrical options available.
 

 
Model In/Outlet Conn. Flow Capacity SCFM Heater KW Blower KW Height Inches Weight Lbs. Prefilter Model Afterfilter Model
BP123 1-1/2" NPT 200 6.00 0.75 74 1375    
BP144 2" NPT 350 9.00 1.12 88 2260    
BP183 2-1/2" NPT 600 15.00 1.50 92 4150   F 
BP204 3" FLG 800 20.00 2.24 92 4150    
BP244 3" FLG 1100 36.00 3.73 98 5600    
BP304 4" FLG 1500 40.00 7.46 94 7425    
BP325 4" FLG 2100 50.00 7.46 101 8675    
BP365 6" FLG 3000 75.00 11.19 106 11200    
BP425 6" FLG 4000 105.00 11.19 109 15500    
BP485 6" FLG 5000 140.00 14.92 111 17700    
BP545 6" FLG 6500 175.00 22.38 117 20900    
BP605 8" FLG 8000 230.00 37.30 126 26400    
BP665 8" FLG 10000 280.00 55.95 130 31600    
BP725 10" FLG 12000 340.00 74.60 134 37800    
1. Flow ratings based on design conditions of 100°F inlet air temperature, 100 psi, 100°F ambient air temperature.
 
Optional Instrument and Features
1) Dew Point Demand Plus
2) Dew Point Demand
3) Remote Alarm Contacts
 
4) Remote Alarm Dry Contacts
5) NEMA 7 Explosion Proof Electrical Construction
6) Low Ambient Package
 
7) Power Saver Thermal Control
8) Pre-piped Filter Package
9) Three Valve Bypass Filter Package
 
10) Seven Valve Bypass Filter Package
11) Heater Overtemp Alarm
12) Blower Purge Cool Down Loop
 
13) RS-232 Serial Communications Interface
14) High Humidity Alarm

 
BP 123 A 1 A 1 A 1 A 1 A 1 Blower purge regenerative dryer; 200 SCFM; -40°F dew point, 120v/1ph/60Hz; NEMA 4; no dew point control & monitoring options; no heater option; no remote alarm contact options; no pre-piping and bypass options, no RS-232 serial communications interface, no low ambient options; no cool down loop option.
| | | | | | | | | | | + Cool Down Loop Option Not Applicable.
|
|
|		 |
|
|		 |
|
|		 |
|
|		 |
|
|		 |
|
|		 |
|
|		 |
|
|		 |
|
|		 |
|
|		 +
A
B		 Low Ambient Option
None
Low Ambient Insulation
|
|
|		 |
|
|		 |
|
|		 |
|
|		 |
|
|		 |
|
|		 |
|
|		 |
|
|		 |
|
|		 +
1
2		 RS-232 Interface Option
None
RS-232 Serial Communications Interface
|
|
|
|
|		 |
|
|
|
|		 |
|
|
|
|		 |
|
|
|
|		 |
|
|
|
|		 |
|
|
|
|		 |
|
|
|
|		 |
|
|
|
|		 +
A
B
C
D		 Pre-Piping and Bypass Option
None
Pre-piped Filter Package
Pre-piped Filter Package w/3 Valve Dryer Bypass
Pre-piped Filter Package w/7 Valve Dryer Bypass
|
|
|
|		 |
|
|
|		 |
|
|
|		 |
|
|
|		 |
|
|
|		 |
|
|
|		 |
|
|
|		 +
1
2
3		 Remote Alarm Contacts Option
None
Remote Alarm Contacts (120V)
Remote Alarm Dry Contacts
|
|
|
|
|		 |
|
|
|
|		 |
|
|
|
|		 |
|
|
|
|		 |
|
|
|
|		 |
|
|
|
|		 +
A
B
C
D		 Heater Options (RE Dryers Only)
None
Heater Overtemp Alarm
Power Saver Thermal Control
Heater Overtemp Alarm and Power Saver
|
|
|
|
|
|		 |
|
|
|
|
|		 |
|
|
|
|
|		 |
|
|
|
|
|		 |
|
|
|
|
|		 +
1
2
3
4
5		 Dew Point Control & Monitoring Options
None
Dew Point Demand Plus
Dew Point Demand
Dew Point Demand and High Humidity Alarm
High Humidity Alarm
|
|
|
|		 |
|
|
|		 |
|
|
|		 |
|
|
|		 +
A
B
C		 Electrical Construction
NEMA 4
NEMA 7
Total Pneumatic Control (RH Dryers Only)
|
|
|
|
|		 |
|
|
|
|		 |
|
|
|
|		 +
1
2
3
4		 Voltage
120V/1ph/60Hz
480V/3ph/60Hz
220V/1ph/60Hz
220V/3ph/60Hz
|
|
|		 |
|
|		 +
A
B		 Dew Point
-40°F
-100°F
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|		 +
123
144
183
204
244
304
325
365
425
485
545
605
665
725		 Dryer Size
200 SCFM
350 SCFM
600 SCFM
800 SCFM
1100 SCFM
1500 SCFM
2100 SCFM
3000 SCFM
4000 SCFM
5000 SCFM
6500 SCFM
8000 SCFM
10000 SCFM
12000 SCFM
+
BP		 Model
Blower Purge Regenerative Dryer

 
If you are located in Missouri, Kansas, Nebraska, or Illinois, you may contact us at the following telephone and fax numbers with your requests or questions:
St. Louis telephone 314.428.4000 fax 314.428.4097
Kansas City telephone 913.829.5900 fax 913.829.0815
 
For ALL OTHER AREAS Please use the Info Request form for specific product information, pricing or other information. Please include company name, contact name, address, phone number and fax number to ensure a timely response.
 
Send e-mail to webmaster@flo-products.com with questions or comments about this web site.
Copyright © 2003 Flo-Products Company
Last modified:
Brochure: X1005