Plunger Metering Pumps
Ailipu J50 Plunger Metering Pump
J50 plunger pump (50 kN). Flow ~320 – 20000 L/h, up to ~50 MPa. Stroke 100 mm.
Max flow
320 – 20000 L/h
Max pressure
1.2 – 50 MPa
Turndown / accuracy
stroke 10%–100% accuracy ±1%
Wetted materials
SS304 / SS316L / Hastelloy / ceramic etc. (see B.3)
Protection
—
Power
—
Best for: verifying flow/pressure and control interfaces against your dosing duty (Metering Pump).
Confirm chemical compatibility and install constraints before ordering — inquire for help.
Features
- 50 kN frame
- 100 mm stroke
- Motors 15–37 kW
- Multi-head combinable
Specifications
| Type | plunger type metering pump |
| Flow range | 320 – 20000 L/h |
| Pressure range | 1.2 – 50 MPa |
| Stroke | 100 mm |
| Accuracy | stroke 10%–100% accuracy ±1% |
| Suction lift | ≤6 m (plunger) |
| Wetted materials | SS304 / SS316L / Hastelloy / ceramic etc. (see B.3) |
| Motor | Ex-proof / VFD optional |
| Standard | GB/T 7782; optional API 675 |
| Frame force | 50 kN |
| Brand | Ailipu |
Applications
Oil & petrochemical
Chemical
Power
Nuclear
Mining
Food & pharma
Materials & media
| Wetted materials | SS304 / SS316L / Hastelloy / ceramic etc. (see B.3) |
Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.
Controls & communication
Control options are listed in notes or confirmed on inquiry.
Models & specs
| Model | Flow | Pressure | Power | Notes | |
| J50-320/50 | 320 L/h | 50 MPa | 15 kW | plunger φ25 mm; stroke 100 mm; speed 120 spm; connection DN25 | |
| J50-380/50 | 380 L/h | 50 MPa | 18.5 kW | plunger φ25 mm; stroke 100 mm; speed 144 spm; connection DN25 | |
| J50-500/50 | 500 L/h | 50 MPa | 22 kW | plunger φ32 mm; stroke 100 mm; speed 120 spm; connection DN25 | |
| J50-600/50 | 600 L/h | 50 MPa | 30 kW | plunger φ32 mm; stroke 100 mm; speed 144 spm; connection DN25 | |
| J50-650/40 | 650 L/h | 40 MPa | 22 kW | plunger φ36 mm; stroke 100 mm; speed 120 spm; connection DN25 | |
| J50-800/40 | 800 L/h | 40 MPa | 30 kW | plunger φ40 mm; stroke 100 mm; speed 120 spm; connection DN25 | |
| J50-800/32 | 800 L/h | 32 MPa | 22 kW | plunger φ40 mm; stroke 100 mm; speed 120 spm; connection DN25 | |
| J50-1000/32 | 1000 L/h | 32 MPa | 30 kW | plunger φ40 mm; stroke 100 mm; speed 144 spm; connection DN25 | |
| J50-1000/25 | 1000 L/h | 25 MPa | 22 kW | plunger φ40 mm; stroke 100 mm; speed 144 spm; connection DN25 | |
| J50-1250/25 | 1250 L/h | 25 MPa | 30 kW | plunger φ50 mm; stroke 100 mm; speed 120 spm; connection DN32 | |
| J50-1250/20 | 1250 L/h | 20 MPa | 22 kW | plunger φ50 mm; stroke 100 mm; speed 120 spm; connection DN32 | |
| J50-1500/20 | 1500 L/h | 20 MPa | 30 kW | plunger φ50 mm; stroke 100 mm; speed 144 spm; connection DN32 | |
| J50-1500/16 | 1500 L/h | 16 MPa | 22 kW | plunger φ50 mm; stroke 100 mm; speed 144 spm; connection DN32 | |
| J50-2000/16 | 2000 L/h | 16 MPa | 30 kW | plunger φ63 mm; stroke 100 mm; speed 120 spm; connection DN40 | |
| J50-2000/12.5 | 2000 L/h | 12.5 MPa | 22 kW | plunger φ63 mm; stroke 100 mm; speed 120 spm; connection DN40 | |
| J50-2500/12.5 | 2500 L/h | 12.5 MPa | 30 kW | plunger φ63 mm; stroke 100 mm; speed 144 spm; connection DN40 | |
| J50-2500/10 | 2500 L/h | 10 MPa | 22 kW | plunger φ63 mm; stroke 100 mm; speed 144 spm; connection DN40 | |
| J50-3200/10 | 3200 L/h | 10 MPa | 30 kW | plunger φ80 mm; stroke 100 mm; speed 120 spm; connection DN50 | |
| J50-3200/8 | 3200 L/h | 8 MPa | 22 kW | plunger φ80 mm; stroke 100 mm; speed 120 spm; connection DN50 | |
| J50-4000/8 | 4000 L/h | 8 MPa | 30 kW | plunger φ80 mm; stroke 100 mm; speed 144 spm; connection DN50 | |
| J50-4000/6.3 | 4000 L/h | 6.3 MPa | 22 kW | plunger φ80 mm; stroke 100 mm; speed 144 spm; connection DN50 | |
| J50-5000/6.3 | 5000 L/h | 6.3 MPa | 30 kW | plunger φ100 mm; stroke 100 mm; speed 120 spm; connection DN65 | |
| J50-5000/5 | 5000 L/h | 5 MPa | 22 kW | plunger φ100 mm; stroke 100 mm; speed 120 spm; connection DN65 | |
| J50-6300/5 | 6300 L/h | 5 MPa | 30 kW | plunger φ100 mm; stroke 100 mm; speed 144 spm; connection DN65 | |
| J50-6300/4 | 6300 L/h | 4 MPa | 22 kW | plunger φ100 mm; stroke 100 mm; speed 144 spm; connection DN65 | |
| J50-8000/4 | 8000 L/h | 4 MPa | 30 kW | plunger φ125 mm; stroke 100 mm; speed 120 spm; connection DN80 | |
| J50-8000/3.2 | 8000 L/h | 3.2 MPa | 22 kW | plunger φ125 mm; stroke 100 mm; speed 120 spm; connection DN80 | |
| J50-10000/3.2 | 10000 L/h | 3.2 MPa | 30 kW | plunger φ125 mm; stroke 100 mm; speed 144 spm; connection DN80 | |
| J50-10000/2.5 | 10000 L/h | 2.5 MPa | 22 kW | plunger φ125 mm; stroke 100 mm; speed 144 spm; connection DN80 | |
| J50-12000/3.2 | 12000 L/h | 3.2 MPa | 37 kW | plunger φ140 mm; stroke 100 mm; speed 144 spm; connection DN100 | |
| J50-12000/2.5 | 12000 L/h | 2.5 MPa | 30 kW | plunger φ140 mm; stroke 100 mm; speed 144 spm; connection DN100 | |
| J50-12000/2 | 12000 L/h | 2 MPa | 22 kW | plunger φ140 mm; stroke 100 mm; speed 144 spm; connection DN100 | |
| J50-16000/2.5 | 16000 L/h | 2.5 MPa | 37 kW | plunger φ160 mm; stroke 100 mm; speed 144 spm; connection DN100 | |
| J50-16000/2 | 16000 L/h | 2 MPa | 30 kW | plunger φ160 mm; stroke 100 mm; speed 144 spm; connection DN100 | |
| J50-16000/1.5 | 16000 L/h | 1.5 MPa | 22 kW | plunger φ160 mm; stroke 100 mm; speed 144 spm; connection DN100 | |
| J50-20000/2 | 20000 L/h | 2 MPa | 37 kW | plunger φ180 mm; stroke 100 mm; speed 144 spm | |
| J50-20000/1.6 | 20000 L/h | 1.6 MPa | 30 kW | plunger φ180 mm; stroke 100 mm; speed 144 spm | |
| J50-20000/1.2 | 20000 L/h | 1.2 MPa | 22 kW | plunger φ180 mm; stroke 100 mm; speed 144 spm; connection DN125 |
Dimensions & installation
Dimensional drawings available on request (CAD / PDF).
Downloads
Brochures / manuals / CAD / certificates are being added. Need files now? Inquire to request。
Related / accessories
Related solutions
Chemical Process Precision Dosing
Reactor feeding, pH neutralization and catalyst injection with hydraulic diaphragm and plunger pumps.
Pharma & Food CIP
High-precision hygienic metering pumps for batching and CIP acid/alkali cleaning.
Municipal Wastewater Dosing
Integrated dosing systems combining metering pumps and online water quality monitoring for coagulation, disinfection and dephosphorization.
Related case studies
Need help selecting?
Share duty (flow, pressure, media, controls) — we reply within 1 business day.