The Castair RDD40.060 is a refrigerated compressed air dryer from the Castair RDD40 series. The .060 suffix identifies the specific capacity or configuration within the RDD40 line — likely the highest-capacity variant of the RDD40 series. Like all Castair refrigerated dryers, the RDD40.060 is engineered to maintain a 37°F pressure dew point, condensing and removing moisture from compressed air before it reaches pneumatic tools, spray equipment, and distribution piping.
Moisture in compressed air is a hidden cost in any shop. It causes rust inside air lines and tanks, degrades spray finish quality, shortens tool life, and causes solenoid valves and pneumatic cylinders to corrode and stick. A properly sized refrigerated dryer eliminates that problem at the source. The Castair RDD series dryers are straightforward — no computer controls, no proprietary programming, just a reliable refrigeration cycle with an automatic drain and a visual dew point indicator.
Key Features — Castair RDD40 Series
- Pressure dew point: 37°F — industry standard for shop air treatment
- Refrigerant: R134a or R407c (environmentally compliant, not R22)
- Heat exchanger: Stainless steel, dual-function single-body — pre-cools incoming air with outgoing cold air
- Automatic demand drain: Activates only when condensate is present, saving compressed air
- Dew point indicator: Simple visual confirmation of proper operation
- Quick-connect refrigerant port: Allows field recharge without full disassembly
- Maximum inlet pressure: 232 PSIG
- Certifications: UL listed
What's in the Box
- Castair RDD40.060 refrigerated compressed air dryer unit
- Power cord
- Refrigerant pre-charged at factory
A properly sized pre-filter upstream of the dryer inlet is required for warranty coverage. Contact us for filter sizing guidance for the RDD40.060.
Technical Specifications
- Part Number: RDD40.060
- Series: Castair RDD40 refrigerated dryer
- Pressure Dew Point: 37°F
- Maximum Inlet Pressure: 232 PSIG
- Refrigerant: R134a / R407c
- Drain: Automatic, demand-based
- CFM capacity, voltage, amperage, connection size, weight, dimensions: Contact us for full specifications — 866-217-0063
- Certifications: UL Listed
Why Buy From Air Compressor Factory Direct?
We have been selling and supporting Castair compressed air equipment since 2016. We can confirm the RDD40.060 capacity and electrical specs, help you verify it fits your compressor output, and advise on pre-filter and aftercooler requirements. Free shipping on qualifying orders, free pre-sale technical support, full Castair manufacturer warranty.
Call 866-217-0063 for quick answers and help!
