Publish Time: 2026-05-07 Origin: Site
Choosing a sealing machine for high-viscosity yogurt such as Greek yogurt, set yogurt, strained yogurt, or labneh requires focusing on the machine’s ability to handle thick texture, clean sealing, and gentle product handling without damaging consistency or causing leakage. High-viscosity dairy products need specialized filling and sealing systems rather than standard liquid fillers. According to dairy packaging guides, thick yogurt requires larger filling nozzles, positive displacement or servo piston filling systems, and stable temperature control to maintain texture and filling accuracy.
Here are the most important factors to consider:
For thick yogurt, the best options are:
Piston filling system → best for precise dosing and thick textures
Positive displacement pump → gentle handling with stable accuracy
Avoid gravity fillers for high-viscosity yogurt
High-viscosity products require stronger filling pressure and wider nozzles to prevent clogging and product damage.
Best for:
Medium to high production
Stable cup size
Compact factory layout
Advantages:
High efficiency
Multiple stations running simultaneously
Smooth continuous operation
Typical capacity:
800–2000 cups/hour
Best for:
Multiple cup formats
Flexible production
Easier mold changes
Advantages:
Easier maintenance
Flexible upgrades
Better for varied products
Typical capacity:
3,000+ cups/hour depending on viscosity
For yogurt packaging, sealing quality directly affects shelf life.
Recommended sealing:
Heat sealing with foil lids
Optional MAP (nitrogen flushing)
Easy-peel foil for retail products
Poor sealing can cause:
Leakage
Contamination
Short shelf life
Vacuum deformation after cooling
A yogurt machine should include:
SS304 or SS316 stainless steel
CIP (Clean-In-Place) system
Sanitary piping and valves
Easy cleaning structure
Dairy applications require strict sanitary standards to protect live cultures and product quality.
Different yogurt styles need different setups:
Yogurt Type | Recommended System |
|---|---|
Regular yogurt | Standard piston filler |
Greek yogurt | Heavy-duty piston + large nozzles |
Set yogurt | Gentle filling + stable sealing |
Yogurt with fruit | Multi-stage filling system |
Labneh | High-pressure servo piston system |
Recommended options for premium yogurt packaging:
Fruit or topping dosing
Lid capping system
Date coding
Cup rim cleaning before sealing
Nitrogen flushing
Automatic cup denester
Production Need | Recommended Machine |
|---|---|
Small dairy startup | Semi-auto rotary |
800–2000 cups/hour | Rotary automatic |
3,000–20,000 cups/hour | Multi-lane inline system |
Before selecting a machine, define:
Yogurt viscosity
Cup size and shape
Production output
Foil only or foil + plastic lid
Need for toppings or dual filling
Shelf-life target
A well-matched machine improves:
Filling accuracy
Seal quality
Production speed
Product appearance
Shelf life
Hygiene compliance
For thick yogurt products, rotary servo-piston cup filling sealing machines are often the best balance of efficiency, compactness, and filling performance.