The 4310 Pro Pak Plus tri-lobe PD blower from National Vacuum Equipment Inc. features increased power and productivity for faster tank loading, lower operating costs and quieter, maintenance-free operation, says Jason Reading, the company’s sales manager.
The frame-mounted, powder-coated blower can achieve maximum power of 931 cfm at 4,500 rpm. In addition, variable-speed capability allows operators to run it at lower rpm – say, 500 cfm for regular pumping – then rev it up to peak cfms for pulling longer distances or from deeper in the ground, Reading explains.
Reading says the blower allows a traditional vacuum truck to perform more heavy-duty

















