
Made from 316 stainless steel, STX and STX-DEF pumps IN 2" and 3" size feature external ball bearings, non-metallic Duravanes, PTFE
elastomers and Blackmer chemical mechanical seals. The design also includes an adjustable relief valve, weld flanges
and self-priming capability. The 3" has a versatile mounting bracket.
                                                                                Package Type | 
                                                                        N/A Each | 
                                                                                Units Per Package | 
                                                                        N/A 1 | 
                                                                                Size | 
                                                                        N/A 3 " | 
                                                                                Manufacturer | 
                                                                        N/A BLACKMER | 
                                                                                Vendor Item # | 
                                                                        N/A STX3-DEF | 
                                                                                Weight | 
                                                                        N/A 155 lb | 
                                                                                Seal Type | 
                                                                        N/A PTFE | 
                                                                                Inlet Flange | 
                                                                        N/A 3" Weld | 
                                                                                Outlet Flange | 
                                                                        N/A 3" Weld | 
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                                                                             Applications include DEF transport and railcar loading andoff-loading, as well as DEF tote filling.  | 
                                                    
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                                                                             Blackmer’s non-metallic vanes self-compensate for wearand allow the STX-DEF Series pumps to run dry for shortperiods of time for self-priming and blowing lines clean,without pump damage.The STX-DEF Series is designed to offer easy maintenancebecause the internal wear is limited almost completelyto the sliding vanes, which can be replaced with ordinaryhand tools.  |