
Mechanical Diaphragm Pumps
Ligao GB-S Mechanical Diaphragm Metering Pump
Ligao GB-S mechanical diaphragm pump. ~1360–4000 L/h, ~0.3–0.7 MPa.
Max flow
1360–4000 L/h
Max pressure
max. approx. 0.7 MPa
Turndown / accuracy
—
Wetted materials
PVC、PVDF/PTFE、304/316L
Protection
—
Power
—
Features
- Large-flow mechanical diaphragm
- Optional double diaphragm
- VFD / Ex options
Specifications
| Flow range | 1360–4000 L/h |
| Max pressure | max. approx. 0.7 MPa |
| Stroke / control | manual stroke; optional controller |
| Wetted materials | PVC、PVDF/PTFE、304/316L |
| Diaphragm / plunger | PTFE; optional double diaphragm |
| Drive | motor mechanical drive |
Applications
Materials & media
| Wetted materials | PVC、PVDF/PTFE、304/316L |
| Diaphragm / plunger | PTFE; optional double diaphragm |
Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.
Controls & communication
| Stroke / control | manual stroke; optional controller |
Models & specs
| Model | Flow | Pressure | Power | |
| GB-S1360/0.7 | 1360 L/h | 0.7 MPa | see manual | |
| GB-S1500/0.5 | 1500 L/h | 0.5 MPa | see manual | |
| GB-S2000/0.4 | 2000 L/h | 0.4 MPa | see manual | |
| GB-S2400/0.4 | 2400 L/h | 0.4 MPa | see manual | |
| GB-S3200/0.3 | 3200 L/h | 0.3 MPa | see manual | |
| GB-S3600/0.3 | 3600 L/h | 0.3 MPa | see manual | |
| GB-S4000/0.3 | 4000 L/h | 0.3 MPa | see manual |
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.
