Pneumatic Hydraulic Pump

The Power Pack Behind the Tools

The Pneumatic Hydraulic Pump is the hydraulic source that drives cable tensioners, destressing systems, and hydraulic cutters. It runs on compressed air, so it introduces no electrical spark and suits gassy underground mines. Buyers who already own a jack or cutter often order a QYB pump as their power source, because it is far less tiring than a hand pump.

QYB-1.5/63 is a plunger pump at 1.5 L/min, under 75 dB(A), and 16 kg, suited to noise-sensitive or low-flow needs. QYB-3.0/70 is a gear-motor pump at 3.0 L/min, under 95 dB(A), and 18 kg, for faster pressure rise. QYB-13.0/70 combines a gear motor and a plunger in parallel for up to 13 L/min, with a 30 L tank and a 70 kg cart body; it is the flow unit behind the rock splitters and can also serve tensioning, destressing, and chain-cutting tools.

The QYB line carries the Chinese MA mining product safety certificate. Switch on the air supply and open the valve; the pump runs itself, which crews who have upgraded from hand pumps report as a major drop in labor. All three deliver 63 MPa rated oil pressure at 0.4-0.7 MPa air pressure.

MOQ is one unit. Specify which attached tool the pump will drive. After crews switch from a hand pump to a QYB unit, they report a clear drop in labor effort, because the pump runs itself once the air valve is opened and its flow is far above a hand pump. The line carries the Chinese MA mining product safety certificate for use at gassy faces. At 0.4-0.7 MPa air pressure all three models deliver 63 MPa rated oil pressure. Buyers choose the low-noise plunger unit for quiet headings, the gear-motor unit for faster pressure rise, or the dual-head 13 L/min cart for the rock splitter.

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