Refined and simplified title: 1/4 Inch NPT Air Filter Pressure Regulator Combo with Gauge

The Air Filter Pressure Regulator Combo Piggyback offers a range of features and specifications to effectively filter and regulate air supply. With a 1/4" NPT air filter pressure regulator port and a 1/8" NPT gauge port, this product can handle working pressures from 0 to 145 PSI and operating temperatures between 32°F to 140°F. The maximum air flow is 500L/minutes.

Key product features include a precision pressure gauge with a purple copper core for accurate pressure reading, a fiber filter element capable of removing particles up to 40um, and a transparent filter cup that allows visual monitoring of water and oil levels (not to exceed 80% capacity). Complementary accessories provided include a nickel-plated iron air plug, a nickel-plated iron air coupler, 2 male pipes, and Teflon tape.

To replace the filter element, the unit should be placed horizontally. The transparent filter cup is removed by turning it counterclockwise, and the supporting filter element is then replaced and the nut tightened. The filter cup is turned clockwise to reassemble.

Before installation, it is important to clean the threaded ports and accessories to prevent impurities from entering the air system. Pay attention to the airflow direction, following the arrow on the filter. Incorrect airflow direction will prevent the filter from functioning properly.

For drainage, when there is no air pressure, the water in the filter cup will be automatically discharged. With air pressure present, manually push the drainage needle under the filter cup upward to discharge the water.

When installing the fittings, wrap Teflon tape around them to avoid air leakage. Some initial leakage may occur during the first installation due to the difference between internal and external pressure, but this excess pressure will be discharged, and no further leakage should occur after the initial air release.

The Air Filter Pressure Regulator Combo Piggyback is available in various models, including the AW2000-02, AR2000, AC2010-02, AC3010-03, AR2000, AFR2000, and AFC2000, with customer reviews ranging from 4.1 to 4.4 out of 5 stars. Prices start at $14.49 for the 1/4" NPT models and go up to $33.99 for the 3/8" NPT version.

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