| Shipping | Tax | Terms Shopping Cart 0 Items Request for Quote 0 Items All Categories > Clean Air Treatment > Regulators > Wilkerson Regulators > Wilkerson R21 Regulators > View Items Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Wilkerson R21 Regulators Check up to five results to perform an action. larger image Standard Features Balanced Valve Design Non-Rising Pressure Adjusting Dial High-Relief Flow (3/16" Relief Orifice) Two 1/4" Gauge Ports Piston Operated Optional Features (Specify when requesting a quote) Low Pressure Spring Remote Controlled Fluorocarbon Diaphragm and Seals Adjustable Pressures (psig): 0-40 or 0-160 Results Per Page : 25 50 100 200 Results 1 - 12 of 12 1 Item # Capacity Thread Size Thread Type Adj. Pressure Max. Inlet Pressure Web Price Shipping Weight R21-02-000 117 cfm 1/4" NPT 5 to 160 psig 300 psig $210.00 2.3 lb R21-03-000 180 cfm 3/8" NPT 5 to 160 psig 300 psig $210.00 2.3 lb R21-04-000 195 cfm 1/2" NPT 5 to 160 psig 300 psig $210.00 2.3 lb R21-06-000 220 cfm 3/4" NPT 5 to 160 psig 300 psig $210.00 2.3 lb R21-02-L00 117 cfm 1/4" NPT 2 to 40 psig 300 psig $210.00 2.3 lb R21-03-L00 180 cfm 3/8" NPT 2 to 40 psig 300 psig $210.00 2.3 lb R21-04-L00 195 cfm 1/2" NPT 2 to 40 psig 300 psig $210.00 2.3 lb R21-06-L00 220 cfm 3/4" NPT 2 to 40 psig 300 psig $210.00 2.3 lb R21-02-R00 117 cfm 1/4" NPT 5 to 160 psig 300 psig $236.00 2.3 lb R21-03-R00 180 cfm 3/8" NPT 5 to 160 psig 300 psig $236.00 2.3 lb R21-04-R00 195 cfm 1/2" NPT 5 to 160 psig 300 psig $236.00 2.3 lb R21-06-R00 N/A 3/4" NPT 5 to 160 psig 300 psig $236.00 2.3 lb Results 1 - 12 of 12 1 Maintain Your Air Compressor Learn more about maintaining your air compressor by downloading our eBook on air compressor maintenance. Download eBook