Parker R220-02C Air Regulator 1/4 Npt 150 Psi Diaphragm

Product Description

The PARKER R220-02C is a diaphragm-operated compressed air regulator designed to maintain consistent downstream pressure in pneumatic systems. Rated for a maximum supply pressure of 150 psi and an adjustable output range of 2 to 120 psi, it delivers up to 14 CFM of airflow through a 1/4 inch NPT port. The zinc body construction keeps weight low at 1.4 pounds while providing solid durability in typical shop and industrial environments. A built-in relief function vents excess downstream pressure when the set point is reduced, allowing for accurate pressure management without manual bleed-off. Licensed plumbers, pipefitters, and pneumatic system technicians are the primary installers of this regulator.

The R220-02C is suited for compressed air distribution lines in light industrial, commercial, and trade-shop settings. It handles fluid type compressed air and performs across a minimum rated temperature of 0 degrees F, making it appropriate for unheated utility spaces and seasonal service environments. The 1/4 inch NPT port size fits standard quarter-inch pneumatic supply lines common in HVAC, plumbing, and general shop tooling applications. No pressure gauge is included, but a 1/4 inch gauge port is present for field-installed monitoring if required.

Key Features

• Diaphragm-operated design provides stable, responsive pressure regulation
• Maximum supply pressure of 150 psi with an adjustable output range of 2 to 120 psi
• 14 CFM airflow capacity through 1/4 inch NPT port
• Built-in relief function eliminates the need for manual downstream bleed-off
• Zinc body construction — lightweight at 1.4 pounds
• 1/4 inch gauge port accepts field-installed pressure gauge

Compatibility

Designed as an OEM-style replacement or direct installation regulator for 1/4 inch NPT compressed air supply lines rated up to 150 psi.

Installation Notes

Installation should be performed by a qualified pipefitter or pneumatic systems technician. Depressurize and isolate the air supply line completely before removing any existing regulator or installing this unit. Apply thread sealant appropriate for compressed air service to all NPT connections and verify no leaks under pressure before returning the system to service. Observe all applicable local codes and the equipment manufacturer's pressure requirements when setting the output pressure.