FlowMark builds world-class vacuum trucks: septic service trucks, grease trap service trucks, car wash pit service trucks, portable restroom service trucks, and more. But did you know that we do much more than vacuum trucks? FlowMark belongs to a family of brands dedicated to building high-quality vacuum trucks, aircraft refueling equipment, high-rail equipment, and vacuum…

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It is important to keep in mind safety for your drivers and those around when ordering/budgeting for a new vacuum truck or portable restroom service truck.    We have several items that we recommend when spec’ing out your vacuum truck build:    Backup Cameras  Some chassis we can factory order with a factory-installed backup camera,…

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FlowMark Vacuum Trucks and KC Tank is the nation’s largest source of in-stock vacuum tanks, chassis, and complete vacuum trucks. Let us discuss a little more about who we are and what we do here at FlowMark Vacuum Trucks and KC Tank.    In our assembly shop, we assemble anything from small, non-CDL, portable restroom…

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When choosing a vacuum tank size for septic pumping, grease trap pumping, car wash pit pumping, or other industrial vacuum tank jobs, there are several factors to consider. Septic tank size, route density, proximity to dump site, local DOT requirements, CDL or non CDL drivers, GVW of chassis, and cost.    In your region, what…

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A properly built vacuum truck tank in good condition (see articles HERE and HERE for internal tank inspections) can handle full vacuum and, unless a certified pressure vessel is legally limited to 14.9 PSI, we recommend limiting your tank to no more than 8-9 PSI.   Your vacuum pump is protected by your pressure relief…

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The baffles in your tank serve 2 main purposes: to give structure to the tank, and to control the movement of the liquid load while driving.   Properly engineered baffles in good condition are critical to good structure of the tank. Your vacuum truck tank should be able to withstand full vacuum. In order to…

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FlowMark Vacuum Trucks has announced the launch of its new website at flowmark.com. The company’s truck inventory and parts store are now only a click away. Individual pages for FlowMark’s wide selection of vacuum trucks outline configuration options and a comprehensive list of each truck’s standard features. In the FlowMark Parts Store, customers can quickly…

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