Deltech RP-1300 Heated Desiccant Air Dryer

RP Series Dryers: -4°F to -40°F Pressure Dew Points

Applications that simply want seasonal protection against freezing are exactly what the standard RP Series dryers are designed to address. ISO 8573.1 dew points between Class 2 and Class 3 are delivered automatically with the standard design. Class 2 (-40°F) dew points protect usage points from freezing during winter. Class 3 (-4°F) dew points keep air systems nice and dry all summer long. Applications that require Class 2 (-40˚F) dew points year round simply need to select the Jet Blower option package.

Deltech guarantees that RP series dryers will produce the design dew point while operating continuously at maximum rated flow (100% duty cycle) at CAGI ADF 200 inlet standards of 100˚F inlet temperature and 100% relative humidity at 100 psig.

• -40°F Dew Point
• Ambient Air Temperature 40°F - 120°F
• Inlet Air Temperature 40°F - 120°F
• Operating Pressure: 60 - 150 psig

If you have questions on how to properly select a compressed air dryer, contact our knowledgeable customer service toll-free: 866-650-1937 or send us an email request.

Dimensions & Specifications

If you have questions on how to properly select a compressed air dryer, contact our knowledgeable customer service toll-free: 866-650-1937 or send us an email request.

Performance data per CAGI Standard ADF 200 for Dual-Stage Regenerative Desiccant Compressed Air Dryer. Rating conditions are 100°F (37.8°C) inlet temperature, 100 psig (6.9 bar) inlet pressure, 100% relative humidity, 100°F (37.8°C) ambient temperature, and 5 psi (0.35 bar) pressure drop.

Operating Conditions (all RP models)

Max Working Pressure: 150 psig
Min. Operating Pressure: 60 psig
Max. Inlet Air Temperature: 120°F
Min. Inlet Air Temperature: 40°F
Max. Ambient Temperature: 120°F
Min. Ambient Temperature: 40°F

Standard Features:

1. Soft-seated check valves for tight shutoff and durability
2. High-quality pressure gauges display left tower, right tower, and purge pressure
3. Function indicator LEDs for easy monitoring
4. Easy-view vacuum fluorescent text display is visible under any condition
5. Energy Management System- advanced microprocessor- based control
6. Premium quality inlet switching/purge exhaust butterfly valves for long life on 3" and larger (Quality pneumatic angle-seated valves for smaller sizes)
7. Towers filled with extra, high-grade activated alumina to deliver superior performance
8. Low-watt density heater saves energy and prevents premature desiccant aging
9. Heavy-duty air intake filter
10. Optional EMS controlled Jet Blower uses A³ Purge Technology™ to reduce purge costs
11. NEMA 4 Construction

Moist, filtered compressed air enters the pressurized on-line desiccant-filled drying Tower 1 through valve (A). Up-flow drying enables the desiccant to strip the air stream of moisture. Clean, dry compressed air exits through valve (E) to feed the air system. Tower 2 (when in regeneration mode) closes valve (B), then depressurizes to atmosphere through muffler (C). Valves (D & G) open and the heater turns on.

A portion of dry compressed air (purge air) is diverted before exiting (E) and passes through the heater. Hot dry purge air desorbs the moisture from the desiccant as it flows down through Tower 2 to exit at valve (D). Once desorbed, the heater turns off and cool dry purge air continues to pass until the desiccant bed is cooled.

Finally, valve (D) closes and Tower 2 is repressurized. At a fixed time interval, valve (B) will open and Tower 2 will be placed on-line to dry the bed and valves (A & D) will close. Operations will switch and Tower 1 will be regenerated.

Shown with optional Jey Blower

Link to RP brochure:

Brochure