WAALPC AC2000-02D 1/4″ NPT Air Filter Regulator Lubricator (FRL) – Auto Drain 5μm
$42.99
the WAALPC AC2000-02D 1/4″ NPT Air Filter Regulator Lubricator (FRL) Combination. This premium 3-in-1 unit features an automatic drain, making it the ideal choice for busy workshops and automated industrial systems where manual draining is inconvenient or easily forgotten.

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Description
WAALPC AC2000-02D 1/4″ NPT Air Filter Regulator Lubricator (FRL) Combination – Auto Drain, 5μm
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Feature
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Specification
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Model
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AC2000-02D
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Port Size
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1/4″ NPT
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Drain Type
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Auto Drain
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Filtration Grade
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5μm
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Pressure Regulating Range
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0.05 ~ 0.85 MPa (7.25 ~ 123 PSI)
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Max. Operating Pressure
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0.95 MPa (137 PSI)
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Operating Temperature
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5 ~ 60°C (41 ~ 140°F)
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WAALPC AC Series: Air Filter Regulator Lubricator (FRL) 3-Combination
Models: AC2000-02 (Manual Drain), AC2000-02D (Auto Drain), AC4000-04
The AC Series is a complete air preparation solution that integrates filtration, pressure regulation, and lubrication into a single modular unit.
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Ultimate Protection: Effectively removes water, oil, and solid particles to prevent downstream equipment damage.
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Precision Control: Featuring a press-in self-locking mechanism to prevent accidental pressure adjustments.
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Modular Design: Easy to install and maintain with an included mounting bracket and pressure gauge.
Technical Specifications
| Feature | AC2000-02 / 02D | AC4000-04 |
| Port Size | NPT 1/4″ | NPT 1/2″ |
| Filtration | 5μm Standard | 5μm Standard |
| Pressure Range | 0.05~0.85 MPa (7~125 PSI) | 0.05~0.85 MPa (7~125 PSI) |
| Max Pressure | 1.0 MPa (145 PSI) | 1.0 MPa (145 PSI) |
| Temp. Range | 5~60°C | 5~60°C |
Frequently Asked Questions (FAQs):
A: The auto drain uses a float mechanism. When water accumulates in the bowl and raises the float to a certain level, the valve opens automatically to discharge the liquid, then closes to prevent air loss.
A: No, the auto drain on the AC2000-02D is a mechanical float type and operates entirely on the pressure and liquid level within the bowl, requiring no external power source.
A: Yes, most auto-drain bowls have a manual override feature (usually a small pin or button at the bottom) that allows you to clear the bowl manually if necessary.
A: Yes, WAALPC AC series FRL units are designed to be dimensionally and functionally equivalent to popular SMC models, making them excellent drop-in replacements.
A: The maximum operating pressure is 0.95 MPa (approximately 137 PSI), with a pressure resistance (burst pressure) of 1.5 MPa.






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