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±0.5ml Accuracy for Liquid Sachets: How Rotary Piston Liquid Filling and Sealing Machine Handles Watery to Viscous Products

2026-06-03
Latest company news about ±0.5ml Accuracy for Liquid Sachets: How Rotary Piston Liquid Filling and Sealing Machine Handles Watery to Viscous Products

Liquid filling seems simple, but achieving high accuracy across both low-viscosity water and high-viscosity honey on the same machine is a real engineering challenge.

Our liquid filling and sealing machine uses a rotary piston filler with magnetic flow meter feedback, achieving ±0.5ml precision for fill volumes from 5ml to 500ml. This sachet filling machine is designed for maximum versatility.

Key specifications:

  • Viscosity range: 1 to 10,000 cP (water to paste) – a true viscous liquid packer

  • CIP/SIP ready (Clean-in-Place / Sterilize-in-Place) – no disassembly required for sanitization, making it a premium CIP/SIP packaging equipment solution

  • Output: 40-80 bags/min (depending on fill volume and bag size)

The liquid filling and sealing machine seals three-side sachets, stick packs, or pillow pouches using a heated impulse sealer with temperature profiling to prevent burst seals for thin liquids.

Summer application peak: Travel-size shampoo sachets, single-serve juice pouches, and condiment packets for outdoor catering – all powered by this travel size sachet packaging system.