The S4T-2 4-inch trash pump from Hydra-Tech Pumps has integral stainless steel wear plates above and below the impeller. It fits into tight spaces and can be used as a submersible pump or a tank truck flange mount for direct loading or off-loading, using onboard truck hydraulics. Requiring only 8 to 10 gpm of hydraulic flow at pressures to 2,500 psi, it is suited for operating with smaller hydraulic power units. It has a cast and machined hardened aluminum volute, stainless steel wear plates for durability in a lighter package, and a two-vane open-channel impeller. It includes a stainless steel intermediate shaft with pressed-in-place upper and lower bearings attached to a heavy-duty gear motor with high-pressure lip seal, which combine to drive the impeller. It delivers output flows to 700 gpm, heads to 100 feet and pressure up to 2,000 psi. 570/645-3779;

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