Overview
LHA Series laminar flow pumps offer steady flow rates up to 30 lpm and feature process-safe PTFE and PFA flow paths. They are capable of up to 100°C (212°F) fluid temperatures, 5.5 Bar (80 psi) air supply pressures, and suction lift up to 3 m (10 ft).
Features & Benefits
- Laminar flow up to 30 lpm
- Process-safe PTFE and PFA flow paths
- No elastomer O-rings; never retorque
- Reliable operation with leak-free seals
- Analog signal stroke detection
- Fiber optic and conductivity leak detect
- Copolymer check cages minimize wear and extend life
- Various liquid connection styles and sizes
- Proven robust bellows technology
- Air supply pressure up to 5.5 Bar (80 psi)
- Dead-head capable operation
- Suction lift up to 3 m (10 ft)
- Minimal parts for durable design
- Durable machined design
- Easy to install and service
- Class 100 cleanroom assembly, testing, and packaging
- No preventative maintenance during two-year warranty
Performance
*Graph is for reference only. Performance was measured utilizing 1/2 in (3/8 in ID) air line and 1-1/4 in (1-1/8 in ID) liquid lines with 1 ft flooded suction. Performance may vary in your system.
Dimensions
Download LHA030 Dimensions (PDF)
Specifications
Model |
LHA030 |
|---|---|
| Flow Rate* | ≤ 31 lpm (8.2 gpm) |
| Air Connection | 1/4" FNPT |
| Fluid Temperature | ≤ 100°C (212°F) |
| Supply Air Pressure | ≤ 5.5 bar (80 psi) |
| Startup Air Pressure | ≥ 1.4 bar (20 psi) |
| Required Air Volume | ≥ 26 SCFM |
| Suction Lift* | 3 m (10 ft) |
| Fluid Path Materials | PTFE, PFA |
| Non-Fluid Path Materials | PTFE, PFA, PP, Viton, Neodymium, PET-P, UHMW |
| Stroke Detection Options | Hall Effect Sensor (NPN or PNP) |
| Leak Detection Options | Fiber optic with or without sensor, or conductivity |
| Electronic Control | Call for details |
Air Requirements |
|
|---|---|
| Air Signals | Two 5-way valves (center vent) or Four 3-way valves (normally closed) |
| Valves with metal seals are recommended for longer life | |
Electrical Requirements |
|
|---|---|
|
24 VDC Power Power consumption depends on current draw on external devices:
|
Pump Connections |
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|---|---|
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Controller Connections |
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|---|---|
| Digital Outputs |
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| Digital Inputs |
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| Analog Inputs | Two stroke sensors |
*May vary depending on configuration. Suction lift diminishes over time. Recommended installation level less than 3 ft above source. Contact White Knight for details.
Configuration
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