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Hydraulic Pumps
ZB-Type high pressure electric pump is the power of jack, supporting the use of tension devices with a variety of specialized tonnage jack, upset head device and extrusion machines and other equipment.
Type（M） | Rated pressure Mpa
| Rated flow L/min
| Quality kg
| Scope |
ZB4-500 | 50 | 2x2 | 120 | And supporting the use of various jack，upset head device and extrusion machines，which rated pressure 50Mpa，tension force is less thsn 4000KN，stroke less than 400mm |
ZB4-500s | 50 | 2x2 | 120 | On the base of ZB4-500-type oil pump，add a shunt valve FL，then form three-way oil，can support s jack with a top pressure |
ZB10-500 | 50 | 10 | 200 | For large tonnage，long stroke and require fast action jack support，commonly used in the nominal tesile force |
32 | 10 | |||
ZB10/320-4/800 | 80 | 4 | 270 | And stroke more than 500mm above 5000KN the jack，ZB10/320-4/800 for the second variable displacement pump |
ZB1-630 | 63 | 1 | 56 | Rated tension 250KN with the following jacks，supporting the use of small and high-altitude places |