Peristaltic Pump Liquid Filling Machine
Advanced contamination-free peristaltic dosing systems engineered for sterile pharmaceutical injectables, biotech diagnostics, ophthalmic solutions, and micro-dosing applications.
Description & Operating Principle
HMEC’s Peristaltic Pump Liquid Filling Machines operate on a positive displacement rotary roller principle where liquid is contained entirely inside medical-grade silicone or platinum-cured tubing. High-precision motorized rollers continuously squeeze and release the flexible tubing, drawing fluid in by vacuum and propelling exact micro-volumes forward into vials or bottles without the liquid ever touching valves, seals, or pump hardware.
This single-use fluid path completely eliminates risk of cross-contamination and removes the need for complex cleaning validation between batches—making it the gold standard for sterile fill-finish operations, cytotoxic compounding, vaccines, and diagnostic reagents.
Target Products & Applications
Peristaltic fillers are specifically tailored for high-value, sensitive, and contamination-critical fluids:
💉 Biologics & Sterile Injectables
Vaccines, monoclonal antibodies, peptides, intravenous solutions, and sterile parenteral vials.
👁️ Ophthalmic & Otic Solutions
Sterile eye drops, contact lens solutions, ear drops, and nasal spray formulations.
🔬 Diagnostics & Lab Reagents
PCR test buffers, enzymatic reagents, diagnostic kit bottles, micro-tubes, and chemical standards.
🌿 Essential Oils & Fragrances
High-value pure essential oils, concentrated perfume attars, CBD tinctures, and liquid e-juices.
Pros & Cons Comparison
✅ Advantages (Pros)
- 100% Contamination-Free: Fluid contacts only single-use, sterilizable pharmaceutical tubing.
- Zero Cross-Contamination: Instant product batch changeover by simply loading fresh pre-sterilized tubing.
- High Micro-Dosing Precision: Stepper/servo motor control achieves accuracy down to ±0.5% on doses as low as 0.2ml.
- Gentle Pumping Action: Low shear forces protect delicate proteins, live cells, and biologic molecules.
- No Cleaning Validation Hassles: Disposable fluid path significantly reduces validation overhead for FDA/EMA audits.
⚠️ Considerations & Limitations (Cons)
- Tubing Wear Over Long Runs: Continuous mechanical compression requires tubing replacement every few production shifts.
- Limited Volume Range: Best suited for micro to medium volumes (0.2ml to 250ml); inefficient for large bulk 5-liter containers.
- Viscosity Sensitivity: Thick, highly viscous syrups and pastes reduce filling speed significantly.
Type & Range of Peristaltic Pump Machines
On basis of automation & channels
- ✅ Semi-Automatic Benchtop Peristaltic Filler
- ✅ 2 Channel Automatic Vial Peristaltic Filler
- ✅ 4 Channel Automatic Peristaltic Filling Machine
- ✅ 6 Channel High-Precision Peristaltic Machine
- ✅ 8 Channel High-Speed Aseptic Monoblock
On basis of sterile integration
- ✅ Class 100 / ISO 5 Laminar Air Flow (LAF) Ready
- ✅ Restricted Access Barrier System (RABS) Setup
- ✅ Isolator Compatible Compact Head Design
On basis of features
- ✅ With Inline Weight Feedback & Auto-Rejection
- ✅ With Diving Anti-Drip Nozzles
- ✅ With Pre & Post Nitrogen Flushing System
- ✅ With 21 CFR Part 11 Audit Trail Compliant HMI
- Complete single-use disposable fluid path ensures zero cross-contamination
- Independent precision stepper/servo drives for each individual pump channel
- High dosing accuracy within ±0.5% for micro-volumes from 0.2ml to 250ml
- Digital calibration directly via color touchscreen with recipe storage
- Synchronized diving nozzles with anti-drip suck-back mechanism
- Integrated automatic bottle checkweigher and defect rejection station
- Full 304/316L stainless steel exterior with sanitary flush surfaces for cleanroom disinfection
- Supported by over 40 years of precision pharmaceutical packaging engineering
| Speed / Output | 20 to 180+ Vials/Bottles Per Minute depending on head count and dose volume |
|---|---|
| Dosing Range | 0.2 ml to 250 ml (Continuously adjustable via software) |
| Dosing Accuracy | ± 0.5% to ± 1.0% (Fluid and volume dependent) |
| Number of Pump Heads | 1, 2, 4, 6, 8 Channels (Linear indexing or continuous starwheel formats) |
| Tubing Compatibility | Platinum-cured Silicone, TPE (Pharmed / Marprene) Food/Pharma Grade |
| Structural Material | Stainless Steel AISI 304 / 316L (Sanitary GMP finish) |
| Control Architecture | PLC with Color Touchscreen HMI (21 CFR Part 11 compliant options) |
| Rejection System | Pneumatic cylinder bottle rejecter with rejection bin/tray |
| Power Supply | 220V Single Phase / 415V 3 Phase 50Hz |
| Air Supply | 5 to 6 Bar Clean, Oil-Free Compressed Air |
Peristaltic pump systems offer the fastest changeovers in the industry. Change parts include:
- Pre-Sterilized Platinum-Cured Silicone Tubing Sets
- Dispensing Nozzle Tips (Various gauge diameters)
- Vial / Bottle Neck Guide Star Wheels
- Infeed / Outfeed Container Guides
- Pump Head Rotor Clamping Blocks
- Nitrogen Purging Needle Assemblies
Why is peristaltic filling preferred for vaccines and biologics?
Biologic products contain delicate proteins that can degrade under high shear or metallic contact. Peristaltic pumps exert gentle, uniform mechanical pressure on flexible tubing without exposing the product to metal surfaces or internal seals.
How often does the peristaltic tubing need to be replaced?
Depending on pump speed and fluid friction, high-grade platinum-cured silicone tubing typically runs 24 to 48 continuous operating hours before replacement is recommended to maintain top volumetric precision.
Can this machine be integrated inside a sterile Laminar Air Flow (LAF) hood?
Yes, the compact pump heads and stainless steel chassis are specially designed for integration inside Class 100 / ISO 5 sterile LAF cabinets and RABS isolators.
How is dosage calibrated?
The operator enters the target dose on the touchscreen. The system dispenses a test dose, the operator enters the measured weight, and the PLC auto-calibrates the motor step angle instantly.