GX and X Series General Duty Pumps www.blackmer.com Design Blackmer’s GX and X series models are available in 2, 2.5, 3 and 4 inch flanged port sizes with capacities from 30 to 520 U.S. gpm (114-1,855 lpm). Cast iron construction is standard on all models. The X4 model is also available in ductile iron construction. All models have external ball bearings isolated from the pumpage by mechanical seals. The GX type pumps feature an integral head-mounted gear reduction drive with oil lubricated, hardened helical gears that provide quiet trouble-free operation. Gear shafts are supported at both ends by ball bearings for smooth operation and long life. A splined shaft simplifies alignment of the pump and reducer, and the reducer can be rotated on the pump head to accommodate a variety of motor sizes without shimming. Application Blackmer’s GX and X type pumps are designed to handle a wide range of non-corrosive, non-abrasive industrial liquids and petroleum products. Typical applications include fuel oils, lube oils, jet fuels, gasoline, edible oils and a variety of solvents and thinners such as esters, ketones, naphthas, ethers, amines, aromatics, alcohols, terpenes, glycols and many other similar liquids. Benefit Blackmer’s positive displacement rotary pumps utilizing their unique sliding vane design offers the best combined characteristics of sustained high level performance, energy efficiency, trouble-free operation and low maintenance cost. Also, the high suction lift capabilities of these pumps makes them especially suitable for pumping from underground tanks, bulk plant service and aircraft refueling. X2-HR X2 cutaway GX3 How Blackmer’s sliding vane action works GX Cutaway SPEC SHEET 101-003 Section: 101 Effective: May 2005 Replaces: November 1991
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