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Cup water production packing line
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Packing drinking water in cups is simple in concept but must follow strict hygiene, sealing, and quality standards to ensure long shelf life and food safety. Below is a complete, practical guide — from materials to machinery to process flow.

✅ How to Pack Drinking Water in Cups (Step-by-Step Guide)
1. Prepare the water

You must start with safe, purified water. A typical treatment process:
✔ Water treatment line
Sand filter → Carbon filter → Softener (optional)
RO (Reverse Osmosis) system
UV sterilizer or Ozone generator
0.2–0.5 μm final filter
Clean stainless steel storage tank
This ensures the water is microbiologically safe for cup filling.

2. Choose your packaging materials
✔ Cup options
PP cups (most common)
PET cups
PS cups
Cup size usually 180–300 ml.

✔ Lids
Aluminum foil lid
Plastic+foil laminate film
Roll film or pre-cut lids
Optionally add plastic snap-on overcap

3. Main machine required: Cup Filling & Sealing Machine
There are 3 types:
1) Rotary type
Small to medium speed
Best for factories with 800–1,800 cups/hour

2) Inline type
Medium to high speed
2–12 lanes
Up to 1,500–10,000 cups/hour

3) Semi-automatic tabletop
300–1,000 cups/hour
For startups or very small production

4. Production Process Flow (Full Line)
Step 1: Cup Denesting
Automatic denester drops empty cups into machine pockets.

Step 2: Cup Sterilization (recommended)
Washing
UV sterilization

Step 3: Water Filling
Gravity dosing
Typical accuracy: ±0.5–1.0%

Step 4: Lid Application
Two lid styles:
Pre-cut foil lids
Roll film that is automatically cut

Step 5: Heat Sealing
Sealing head temperature 170–210°C
Pressure + dwell time ensures tight seal
Ensures leak-proof and hygienic

Step 6: Date Coding
Inkjet or laser prints:
Production date
Batch number
Expiry/Shelf-life

Step 7: Cup Discharge
Filled cups exit onto a conveyor.

Step 8: Secondary Packaging (Optional)
Shrink wrapping
Cartoning
Box sealing
Palletizing

⭐ Optional Upgrades
HEPA filtered cleanroom hood over filling area
Leak tester
Vision inspection for seal quality
Overcap snapping system
Shrink sleeve labeling


📦 Shelf Life Guide
Pure RO water + UV clean filling → 6–12 months
Mineral water → 6–12 months
Flavored water → depends on preservatives (3–6 months)

📝 Want a full production line layout?
I can design:
1-line, 2-line, 4-line, or 8-line cup water packing line
With machine list, dimensions, and flow chart

Just tell me:
Cup size (diameter + volume)
Target speed (cups/hour)
Your available factory space (L × W m)

I’ll create a complete layout + equipment list for you.