Liquid & Paste Vertical Form Fill Seal Machine with Sanitary SUS316 Piston Pump
The ZSYAN SY-VFFS-L Liquid & Paste Vertical Form Fill Seal Packaging Machine is a high-speed pouching platform engineered for liquid condiments, sauces, edible oils, and viscous pastes from 5ml to 1000ml at speeds up to 60 bags per minute. Equipped with a sanitary SUS316 stainless steel positive-displacement piston pump and pneumatic rotary cut-off valve, it delivers drip-free metering with an accuracy of ±0.5% to 1%. Features an optional double-jacket heated hopper with electric motor mixing for temperature-sensitive sauces, sanitary CIP clamp connectors, and high-integrity film sealing jaws that prevent product entrapment in pouch seams.
Engineering Advantages & Technical Highlights
Precision-machined in Zhongshan, Guangdong with industrial-grade European standard electrical components.
Zero-Drip Rotary Cut-off Nozzle
Pneumatic shut-off valve at the fill tube tip snips liquid threads instantaneously, eliminating drips on film seal boundaries and preventing leakers.
Double-Jacket Heated Mixing Hopper
Maintains hot-fill sauces (ketchup, curry paste, melted chocolate) at constant temperatures up to 90°C with automated electric stirrer.
Clean-In-Place (CIP) Tri-Clamp Design
All liquid contact piping utilizes sanitary tri-clamp quick-release fittings, allowing rapid CIP flush-cleaning without disassembling the pump.
Technical Specifications Matrix (EAV Model)
Standardized factory specifications. Custom voltages (110V/220V/380V/480V 50-60Hz) and conveyor integration available.
| Parameter / Specification | SY-VFFS-L320 | SY-VFFS-L520 |
|---|---|---|
| Metering Volume | 5 ml – 200 ml | 50 ml – 1,000 ml |
| Max Packing Speed | 30 – 60 bags/min | 20 – 45 bags/min |
| Metering Principle | Sanitary Piston Pump (SUS316) | Sanitary Piston Pump (SUS316) |
| Metering Accuracy | ±0.5% – 1% | ±0.5% – 1% |
| Hopper Capacity | 30L Stainless / 50L Heated Jacket | 50L Stainless / 100L Heated Jacket |
| Seal Types Available | Pillow Pouch, 3-Side Seal, 4-Side Seal | Pillow Pouch, Stand-up Gusset |
| Power & Compressed Air | 220V 50/60Hz, 3.0 kW; 0.6 MPa | 220V/380V 50/60Hz, 4.5 kW; 0.65 MPa |
Material Suitability & Application Boundaries
Our engineering laboratory verifies physical handling tolerances to prevent jamming, breakage, or product degradation.
✅ Factory-Verified Ideal Applications
- Free-Flowing Liquids: Soy sauce, vinegar, fruit juices, purified water, edible oils, oral syrups, mouthwash.
- Viscous Sauces & Pastes: Tomato paste, ketchup, mayonnaise, curry sauce, chili paste, honey, peanut butter.
- Cosmetics & Chemicals: Shampoo, body wash, lotion, face cream, liquid detergent, disinfectants.
❌ Unsuitable Products & Alternative Systems
- Solids with Large Bones or Seeds: Whole meat chunks over 10mm (use multihead weigher with pouch filling line).
Turnkey Packaging Line Integration Workflow
Seamlessly pair with upstream feeding and downstream end-of-line case packing equipment.
Liquid Hopper Supply
Liquid pumped into top holding hopper with high/low float level control.
Sanitary Piston Stroke
SUS316 cylinder draws exact fluid volume through 3-way sanitary rotary valve.
Anti-Drip Injection
Nozzle descends into formed vertical pouch and fills fluid smoothly from bottom up.
Clean Thermal Sealing
Seal bars close on dry film boundaries, cutting and creating leak-proof seams.
Takeaway & Water Bath Test
Finished pouches convey to collection table; optional inline leak test bath.
Frequently Asked Questions (FAQ)
Direct answers from our senior packaging machinery engineering team.
Q Can the machine pack hot liquids (hot-fill)?
Yes. The machine handles liquids up to 90°C. Our double-jacket heated hopper and heat-traced filling tubes keep viscous sauces flowing smoothly while maintaining food safety standards.
Q How is the pump sanitized between different sauces?
The piston pump and valves feature sanitary tri-clamp fittings. You can connect a clean-in-place (CIP) hot water/chemical wash line directly to flush the pump in under 15 minutes.