Hydraulic Metering Pumps
Ligao Hydraulic Double-Diaphragm Metering Pump
Ligao hydraulic double-diaphragm option adds a second diaphragm with rupture monitoring for hazardous fluids. Up to 21000 L/h / 70 MPa across hydraulic families.
Max flow
≤21000 L/h
Max pressure
≤70 MPa
Turndown / accuracy
—
Wetted materials
304/316L, PTFE, metal diaphragm etc.
Protection
—
Power
—
Features
- Double diaphragm with <0.2 s rupture trip
- Built-in control & alarm
- Metal diaphragm option to 70 MPa
- For highly hazardous fluids
Specifications
| Flow range | ≤21000 L/h |
| Max pressure | ≤70 MPa |
| Stroke / control | 0–100% stroke can |
| Wetted materials | 304/316L, PTFE, metal diaphragm etc. |
| Diaphragm / plunger | dual PTFE or metal diaphragm |
| Drive | hydraulic double diaphragm |
Applications
Materials & media
| Wetted materials | 304/316L, PTFE, metal diaphragm etc. |
| Diaphragm / plunger | dual PTFE or metal diaphragm |
Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.
Controls & communication
| Stroke / control | 0–100% stroke can |
Models & specs
No model table yet — please inquire.
Dimensions & installation
Dimensional drawings available on request (CAD / PDF).
Downloads
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Need help selecting?
Share duty (flow, pressure, media, controls) — we reply within 1 business day.