Datasheet
GX · Mechanical Diaphragm Metering Pump
Published specification for buyers and search engines. Inquiry only — no prices.
LANGO GX mechanical diaphragm metering pump. ±2% accuracy, worm-gear drive, cast-aluminium housing, IP55 motor. Stroke adjustable while running. Optional VFD or Ex BT4 / CT4 motor.
No price on site — inquiry only.
- Flow range: 120–400 L/h
- Max pressure: 5 bar
- Motor: 0.25–0.37 kW · 150 SPM
Specifications
| Parameter | Value |
|---|---|
| Max flow | 400 L/h |
| Max back pressure | 5 bar |
| Accuracy | ±2% |
| Materials | PVC / PTFE |
| Control | stroke / VFD |
| Explosion-proof | Yes |
| Power | 0.25–0.37 kW · 380 V |
| Enclosure | IP55 |
Max flow and max back pressure are the opposite ends of this series.
Suction, viscosity and temperature
Suction lift, inlet pressure, viscosity, liquid temperature and ambient temperature belong on the inquiry, together with the medium and concentration.
FAQ
Why are there no prices?
This is an inquiry catalog. Duty, materials and certificates change the offer. Engineering replies within one business day.
What flow and pressure does this model cover?
Series ends: up to 400 L/h and up to 5 bar. Those ends are separate. Where a model table is shown, each row pairs flow with that size's back pressure. The duty is confirmed on the quote.
Which wet-end materials are listed?
PVC / PTFE. Confirm medium, concentration and temperature on the quote.
Which certificates do you hold?
Certificates are confirmed on the quote. They are not listed on this site. EAC is arranged per order.
How do I inquire this model?
Open Get a Quote, keep the model number, and send duty and country. Engineering replies within one business day.