New Heatless Dessicant Dryers

Twin tower regenerative dryers are the dryers of choice when traditional refrigerated dryers do not provide sufficient air quality demands. Arrow's reliable RH heatless series dryer produces -40°F dewpoints and can be optimized to be as low as -100°F. The dryer utilizes activated alumina for efficient drying of compressed air.

• Standard Features • Specifications • Options • Filters • Manual • Drawings

Standard Features:

Fully automatic to provide the most efficient operation
Panel mounted Gauges to monitor pressure
Adjustable purge regulator for optimum dryer efficiency
Indicator Lights that display tower operating status
Reliable pneumatic valve operation
Controlled repressurization to eliminate line surges and dessicant attrition.
Removable stainless steel diffusers screens
Nema 4X electrical construction
Universal accepted 120V/1ph/60Hz
Power on indicator to show dryer status
Tower relief valves to prevent overpressurization.
ASME coded and stamped pressure vessels.
Microproccessor controls with LCD or PLC for controls.
Control air line filter with replaceable element to protect pneumatic circuitry.
Exhaust purge muffler for quiet operation
Pressure alarm package that indicates failure to shift, failure to depressurize, failure to repressurize and failure to purge.
Remote Alarm Dry Contacts
Purge economizer (set purge rate based off of day and time)
Moisture Indicator assembly

** Indicates what Arrow competitors charge extra for **

Specifications:

Design Conditions:
• Inlet PSIG	100 psig
• Inlet Temperature	100°F
• Ambient Temperature	100°F

Consult with engineering if conditions vary

Model Capacity SCFM Pipe Size Connection Height (in) Width (in) Depth (in) Weight (Lbs.)

RH35 35 3/4" NPT 40 44 24 360

RH50 50 3/4" NPT 40 44 24 508

RH75 75 3/4" NPT 40 44 24 599

RH100 100 1" NPT 64 44 24 627

RH125 125 1" NPT 64 44 24 657

RH150 150 1-1/2" NPT 75 49 36 739

RH200 200 1-1/2" NPT 75 49 36 797

RH250 250 1-1/2" NPT 75 49 36 855

RH300 300 2" NPT 68 51 36 918

RH350 350 2" NPT 68 51 36 1124

RH400 400 2" NPT 86 51 36 1187

RH500 500 2" NPT 86 51 36 1245

RH650 650 2-1/2" NPT 97 67 36 1905

RH750 750 2-1/2" NPT 97 67 36 2022

RH900 900 2-1/2" NPT 97 67 36 2197

RH1100 1100 3" Flange 97 72 36 2500

RH1300 1300 3" Flange 97 72 36 3350

RH1500 1500 3" Flange 122 96 60 3775

RH1800 1800 3" Flange 122 96 60 4550

RH2100 2100 3" Flange 122 96 60 5725

RH2500 2500 4" Flange 122 108 60 6500

RH3000 3000 4" Flange 122 108 60 8500

**Specification and dimension are subject to change without notice**

Standard Operating Pressure 150 psig maximum

Standard Voltage 120V/1ph/60Hz

Pre and After filters must be used on all dryers

Maximum Pressure Drop 2 psi

Options:

Dew Point Demand	220V/1phh/60Hz
Dew Point Demand Plus -40F	480V/3ph/60Hz
Dew Point Demand Plus -100F	12Vdc
Dew Point Demand Plus -40Fwith 4-20mA Output	Nema 7 (explosion proof) enclosure
Dew Point Demand Plus -100F with 4-20mA Output	All Pneumatic Controls
High Humidity Alarm	Low Ambient Insulation Package
-100 F Dew Point	Pre-Piped Connection with pre and after filters
Pre-Piped Filter Package with 3 valve dryer bypass	Pre- Piped Filter Package with 7 valve dryer bypass
PLC Option	3 year warranty on valves with our X adder

Recommended Filters:

Model	Pre-Filter	In/Out Connection	After Filter	In/Out Connection
RH35	F505-06F	3/4" NPT	F329-06-3	3/4" NPT
RH50	F505-06F	3/4" NPT	F329-06-3	3/4" NPT
RH75	F505-06F	3/4" NPT	F329-06-3	3/4" NPT
RH100	F508-08F	1" NPT	F329-08-3	1" NPT
RH125	F508-08F	1" NPT	F329-08-3	1" NPT
RH150	F510-12DT	1-1/2" NPT	F329-12-3	1-1/2" NPT
RH200	F510-12DT	1-1/2" NPT	F3N1-12-3	1-1/2" NPT
RH250	F510-12DT	1-1/2" NPT	F3N1-12-3	1-1/2" NPT
RH300	F510-16DT	2" NPT	F3N1-16-3	2" NPT
RH350	F510-16DT	2" NPT	F3N1-16-3	2" NPT
RH400	F518-16DT	2" NPT	F3N1-16-3	2" NPT
RH500	F518-16DT	2" NPT	F3N1-16-3	2" NPT
RH650	F519-24DT	3" NPT	F3NHF-24-3	3" NPT
RH750	F529-24DT	3" NPT	F3NHF-24-3	3" NPT
RH900	F529-24DT	3" NPT	F3NHF-24-3	3" NPT
RH1100	F5AN2L-24DF	3" Flange	F3AN2L-24-3	3" Flange
RH1300	F5AN2L-24DF	3" Flange	F3AN2L-24-3	3" Flange
RH1500	F5AN2L-24DF	3" Flange	F3AN2L-24-3	3" Flange
RH1800	F5AN2L-24DF	3" Flange	F3AN2L-24-3	3" Flange
RH2100	F5AX3L-48DF	4" Flange	F3AX3L-48-3	4" Flange
RH2500	F5AX4L-48DF	6" Flange	F3AX3L-48-3	6" Flange
RH3000	F5AX4L-48DF	6" Flange	F3AX3L-48-3	6" Flange

**Specification and dimension are subject to change without notice**

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