Low Pressure Pump Low Pressure PumpDLB centrifugal blower is a new kind of low pressure air generator, which has dual-purpose both blowing and suction. The only contacting movingparts are two precision quality, long life ball bearing assemblies. Comparedwith piston pump, vacuum pump, and air compressor. it has many advantages suchas oli-free, low power consumption, small size, light, low noise, ...