Description
ZEKS PNA650 Premier Non-Cycling Refrigerated Air Dryer
The ZEKS PNA650 is a Premier™ non-cycling refrigerated air dryer designed for compressed air systems in the 650 SCFM class (PNA series range: 275–1,000 SCFM).
Standard equipment includes stainless steel heat exchangers, a suction pressure gauge, and a timed electric drain trap in a powder-coated enclosure. The PNA650 is supplied with R404A refrigerant and includes an ON/OFF switch with power-on light and an electrical junction box.
Key Features
- NC Series™ non-cycling design: continuous refrigeration for steady moisture removal.
- CFX® exchanger technology: designed for efficient heat transfer and low pressure drop.
- Capacity: rated for 650 SCFM.
Specifications
| Model | PNA650 |
|---|---|
| Dryer Type | Non-Cycling Refrigerated Air Dryer (Premier™) |
| Flow Capacity | 650 SCFM |
| Operating Voltage | 208 V / 60 Hz / 3 Phase |
| Dimensions (in) | 40 × 42 × 62 (L × W × H) |
| Shipping Weight | 770 lb |
| End Connection | 3" MPT |
Benefits
- Protects downstream equipment: helps reduce moisture-related corrosion and contamination.
- Improves system reliability: supports consistent air quality for tools, controls, and processes.
- Right-sized capacity: 650 SCFM helps match system demand when applied at rating conditions.
Installation & Application Notes
- Confirm inlet pressure, inlet temperature, and ambient conditions align with the dryer rating basis for the series.
- Verify system demand does not exceed 650 SCFM at the rating conditions.
- Allow clearance for service access and condensate drain routing during installation.
ZEKS PNA650 Premier Non-Cycling Refrigerated Air Dryer is a strong fit when your system requirements match the listed capacity, pressure rating, and electrical configuration.
Frequently Asked Questions
ZEKS PNA650 Premier Non-Cycling Refrigerated Air Dryer
▶️ Question: What is the rated capacity for this model?
Answer: This model is rated for 650 SCFM under the series rating conditions.
▶️ Question: What does a refrigerated air dryer do?
Answer: It cools compressed air to condense water vapor, then removes the condensate to help reduce moisture in the air system.
▶️ Question: What should I confirm before installation?
Answer: Confirm connection size, pressure rating, and electrical requirements match your system.
▶️ Question: What power does it require?
Answer: The unit configuration lists 208 V / 60 Hz / 3 Phase.
▶️ Question: What routine maintenance is typical?
Answer: Keep condenser surfaces clean, verify condensate drains operate correctly, and replace air filtration elements on schedule. It also lists footprint 40 × 42 × 62 (L × W × H).
