... , applied to long-term continuous operation;2. Independent high pressure cylinder, integral alloy steel pump;3. Plunger core automatic ... to wash Aviation Expansion joints, grease, rubber and hydraulic fluids on runways. With pressure 690bar - 1400bar3. Using to ... core materials for casting. With pressure 1000bar – 2800bar10.using in Highway Maintenance Cleaning of grease, vegetation, mud tar, cement ...