[2022 Updated] 5 Best Water Separator For Air Compressor

Water Separators and Filters are very helpful when using Air compressor that helps with dirt and moisture so it’s a smart decision to use these with air compressor to prolong it’s life span and ensure it’s protection.

So, Here we have reviewed the 5 best water separators (filters) for your air compressor.

Here is a quick list if you are in a hurry!!

Best Water Separators For Air Compressor 2022

Here is a detailed review of all the Best Water Separators & Filters for Air compressors.

1. PneumaticPlus SAU430-N04DG-MEP 1/2″ NPT Three Stage Air Drying System: 

The SAF is a 10 Micron Particulate filter and SAFM is a 0.1-micron filter.

The SAF Air Filter is used to remove harmful moisture and debris from your air and the SAFM Coalescing Filter for removing the oil vapor or mist up to 0.1 microns.

After the air is clean it enters into the regulator where you get the desired pressure for your need.

Because of its modular design, it is very easy to connect or disconnect with your air compressor. 

Feature list:

• Weight: 4.08 Pounds
• Dimensions: 9.6 x 9.3 x 4.3 Inches
• Port Size: 1/2″ NPT
• Max Supply Pressure: 250 PSI
• Operating Pressure: 0-150 PSI
• Flow Rate: 37 SCFM @ 90 PSI
• SAF: 10 Micron Particulate Element
• SAFM: 0.1 Micron Coalescing Element
• Material: Die-Cast Aluminum
• Power Source: Air Powered

Pros:

• Easy To Use
• Lightweight 
• Die-Cast Aluminum Construction

Cons:

• Quite Expensive

2. SMC AMG350C-N04BC 1/2″ NPT Water Separator:

Furthermore, it’s normally closed (NC) automatic drain which allows accumulated liquid to drain from the bowl.

If you just want a water separator for your air compressor then this is a great choice for you. 

Feature list:

• Weight: 2.6 Pounds
• Gauge: No Gauge
• Maximum Flow Rate:1,500 L/min
• Maximum Pressure: 217 PSI
• Maximum Working Pressure: 145 PSI
• Minimum Working Pressure: 21.75 PSI
• Mounting Type: Bracket
• Flushing System: N.C. Auto Drain
• Size: 1/2″ NPT
• Material: Aluminum
• Upper Temperature Rating:140°F
• Lower Temperature Rating: 41°F

Pros:

• Lightweight
• Well Built Quality
• Great Water Removal

Cons:

• Not Air Filter
• Expensive

3. THB 3/4″ Heavy Duty Water Separator:

With the Wall Mounting Bracket and Sight Glass on the Metal bowl you can easily view your moisture level through its glass.

Furthermore, with Auto Drain System it will automatically drain the debris and moisture from the metal bowl and Its compressed air filters protect your compressor from dust, dirt, oil and water vapors.

Feature list:

• Weight: 1.6 Pounds
• Dimensions: 9 x 3.6 x 3.1 Inches
• Max Output Pressure: 175 PSI
• Max Input Pressure: 175 PSI
• 140 CFM Flow Rate
• Size: 3/4″ NPT, 5oz
• Material: Aluminum Bowl

Pros:

• Lightweight
• Auto Drain System

Cons:

• None

4. THB 1/2″ Particulate Filter Water Trap Separator:

And it comes with a semi-automatic drain which acts as an overnight drain.

So when the pressure is applied to its bowl the drain will hold the moisture contents except you manually discharge it.

When there is no pressure applied to its bowl its drain will automatically open to release the moisture.

This is a budget-friendly filter for single-stage air compressors. 

Feature list:

• Weight: 1 Pound
• Dimensions: 7.4 x 3.4 x 3.2 Inches
• Max Input Pressure: 175 PSI
• Max Output Pressure: 145 PSI
• Air Flow Capacity: 106 CFM
• Size:1/2″ NPT
• 5oz POLYCARBONATE BOWL
• Material: Metal And Polymer

Pros:

• Good Quality
• Lightweight
• Semi-Automatic Drain

Cons:

• Some User Reports Leakage 

5. EDGE Industrial 3/8″ In LINE Desiccant AIR Dryer: 

The beads change their color to pink when they are ready to change.

Furthermore, this filter features a Poly-carbonate bowl which makes it easy to see the beaded moisture and aluminum quick release bowl guard and it consists of a 3/8 inch NPT female inlet and outlet.

Feature list:

• Weight: 1.85 Pounds
• Dimensions: 7.2 x 3.4 x 3.1 Inches
• Max Pressure: 150 PSI
• Size:3/8″ NPT
• 5oz Polycarbonate Bowl
• Material: Aluminum

Pros:

• Lightweight
• Great Built Quality
• Great For Painting Small Projects.

Cons:

• Mounting Bracket May Not Be Included
• Only Removes Moisture

Conclusion:

In the Above list, We have covered the top water separator and filters for your air compressor.

So When buying an air filter be sure to check which is best for your budget or which type of air compressor do you own.

For me, the Pneumatic Plus 1/2″ filter is the best as it has a three-stage air drying system which is quite amazing but if you only want a water separator then SMC 1/2″ AMG350C-N04BC is a great choice.

We hope that this guide will help you to easily choose the best filters for your air compressors.

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