Dec 18 2015 0 comments New double acting air hydraulic pump with remote pendant Models ZR22107, ZR24007 and ZR27007 We have available new double acting air hydraulics pumps with push button remote pendant. Available tanks with 2.1, 4 or 7 litres capacity. 4 and 7 litre pumps are fitted with steel tanks. 2.1 litre pump is fitted with plastic tank. Easily accesible adjustable relieve valve.