{"product_id":"wilkerson-r21-04-000-air-regulator-1-2-npt-300-psi","title":"Wilkerson R21-04-000 Air Regulator 1\/2 Npt 300 Psi","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe WILKERSON R21-04-000 is a dial air compressed air regulator designed to control downstream pressure in industrial and commercial compressed air systems. Part of the R21 series, it accepts supply pressures up to 300 psi and delivers a regulated output range of 5 to 160 psi through a 1\/2 inch NPT port. Maximum airflow capacity is 195 CFM, making it suitable for high-demand pneumatic circuits. The regulator includes a built-in relief function to vent excess downstream pressure. The zinc body construction keeps weight low at 2.3 pounds. Licensed mechanical contractors, industrial maintenance technicians, and pneumatic system installers are the typical end users.\u003c\/p\u003e\n\u003cp\u003eThe R21-04-000 is used in compressed air distribution systems where precise downstream pressure control is required. Typical applications include pneumatic tool supply lines, air-operated equipment, and process control panels in light industrial, manufacturing, and facility maintenance environments. The 1\/2 inch NPT end connections suit a wide range of standard pipe fittings commonly found in these installations. A 1\/4 inch gauge port thread is available for adding a downstream pressure gauge if monitoring is required. The fluid type is compressed air only.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eDial air regulator with adjustable output range of 5 to 160 psi\u003c\/li\u003e\n  \u003cli\u003eHandles supply pressures up to 300 psi maximum\u003c\/li\u003e\n  \u003cli\u003e195 CFM maximum airflow capacity for high-demand pneumatic circuits\u003c\/li\u003e\n  \u003cli\u003eBuilt-in relief function vents excess downstream pressure automatically\u003c\/li\u003e\n  \u003cli\u003e1\/2 inch NPT end connections for standard pipe thread fitment\u003c\/li\u003e\n  \u003cli\u003e1\/4 inch gauge port thread for optional downstream pressure monitoring\u003c\/li\u003e\n  \u003cli\u003eZinc body construction for lightweight durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or new-installation regulator for compressed air systems using 1\/2 inch NPT connections with supply pressures up to 300 psi and airflow demands up to 195 CFM.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified mechanic or pipefitter familiar with compressed air system design and applicable codes. Depressurize and isolate the compressed air supply completely before installing or removing the regulator. Apply appropriate thread sealant to NPT connections in accordance with system requirements and local codes. Do not exceed the 300 psi maximum supply pressure rating or operate below the 32 degrees F minimum temperature rating.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRegulator Type\u003c\/strong\u003e: Dial Air Regulator\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: R21\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\u003eEnd Connections\u003c\/strong\u003e: NPT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Range\u003c\/strong\u003e: 5 to 160 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 Airflow\u003c\/strong\u003e: 195 CFM\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\u003ePressure Gauge Included\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelief Function\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFluid Type\u003c\/strong\u003e: Compressed Air\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Operating Temperature\u003c\/strong\u003e: 32 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Zinc\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 2.3 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\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: R21-04-000\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WILKERSON","offers":[{"title":"Default Title","offer_id":51541583167794,"sku":"R21-04-000","price":231.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/832fd1b11058b1f427e00483d88f36ad.jpg?v=1785879876","url":"https:\/\/voomisupply.com\/products\/wilkerson-r21-04-000-air-regulator-1-2-npt-300-psi","provider":"Voomi Supply","version":"1.0","type":"link"}