{"product_id":"wilkerson-r28-04-f0g0b-air-regulator-1-2-npt-300-psi","title":"Wilkerson R28-04-F0G0B Air Regulator 1\/2 Npt 300 Psi","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe WILKERSON R28-04-F0G0B is a standard compressed air regulator designed to maintain consistent downstream pressure in pneumatic systems. Part of the Series 28 lineup, it accepts supply pressures up to 300 psi and delivers a regulated output range of 0 to 125 psi. Maximum air flow is rated at 233 CFM through a 1\/2 inch NPT port, making it well suited for moderate to high-demand compressed air applications. The body is constructed from aluminum die cast, keeping weight low while providing adequate durability for industrial and commercial environments. A built-in relief function and included pressure gauge give technicians immediate visual feedback and overpressure protection at the point of regulation.\u003c\/p\u003e\u003cp\u003eThis regulator is used in compressed air distribution systems across industrial, commercial, and mechanical service environments. The 1\/2 inch NPT end connections are a standard size found on air headers, branch lines, and equipment drops in manufacturing, HVAC, and general mechanical applications. Modular connection capability allows integration into FRL (filter-regulator-lubricator) assemblies where space and system configuration require it. The -13 degrees F minimum temperature rating supports cold-environment installations such as unheated equipment rooms or outdoor enclosures.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStandard regulator with 0 to 125 psi output range and 300 psi maximum supply pressure\u003c\/li\u003e\n\u003cli\u003e233 CFM maximum air flow through 1\/2 inch NPT ports\u003c\/li\u003e\n\u003cli\u003eBuilt-in relief function for downstream overpressure protection\u003c\/li\u003e\n\u003cli\u003ePressure gauge included with 1\/4 inch gauge port thread\u003c\/li\u003e\n\u003cli\u003eModular connection design for FRL assembly integration\u003c\/li\u003e\n\u003cli\u003eAluminum die cast body for lightweight, durable construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or service regulator for compressed air systems requiring a 1\/2 inch NPT standard regulator with modular FRL compatibility in the Wilkerson Series 28 platform.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified pneumatic or mechanical technician. Depressurize and lock out the compressed air supply before removing the existing regulator or installing this unit. Confirm all NPT threaded connections are properly sealed with thread sealant rated for compressed air service. Follow applicable compressed air system codes and the equipment manufacturer guidelines for mounting orientation and downstream demand requirements.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegulator Type\u003c\/strong\u003e: Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort Size\u003c\/strong\u003e: 1\/2 inch NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Pressure Range\u003c\/strong\u003e: 0 to 125 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Supply Pressure\u003c\/strong\u003e: 300 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Air Flow\u003c\/strong\u003e: 233 CFM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid Type\u003c\/strong\u003e: Compressed Air\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Function\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Gauge Included\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGauge Port Thread Size\u003c\/strong\u003e: 1\/4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular Connection\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 28\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Aluminum Die Cast\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Temperature\u003c\/strong\u003e: -13 degrees F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 5.87 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 2.87 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 4.27 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.37 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: WILKERSON\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: R28-04-F0G0B\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WILKERSON","offers":[{"title":"Default Title","offer_id":51541610987826,"sku":"R28-04-F0G0B","price":151.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/c4dd24dc408563a7505c4f22ceff7478_259f7cd6-70da-46ad-96b3-330f465b41a4.jpg?v=1785880513","url":"https:\/\/voomisupply.com\/products\/wilkerson-r28-04-f0g0b-air-regulator-1-2-npt-300-psi","provider":"Voomi Supply","version":"1.0","type":"link"}