Ultrasonic Sealing Dry Mortar Packing Machine with Digital Weighing System and Valve Bag Filling for 10-60kg Cement Bags

Product Overview

Our Ultrasonic Sealing Dry Mortar Packing Machine combines precision digital weighing with advanced ultrasonic sealing technology to deliver superior valve bag filling for dry mortar and powder materials. Designed for 10-60kg cement bags, this packing solution ensures accurate weights, hermetic seals, and clean operation.

Advanced Ultrasonic Sealing Technology

The integrated ultrasonic sealing system uses high-frequency vibrations to create a hermetic, airtight seal on each valve bag . Unlike traditional heat sealing or stitching, ultrasonic sealing produces no thermal byproducts, no consumables, and results in a tamper-proof, dust-tight closure that prevents moisture ingress and product degradation . This technology is especially critical for hygroscopic materials like dry mortar, gypsum, and putty powder where moisture protection is essential.

High-Precision Digital Weighing System

The machine features a PLC-controlled digital weighing system with precision sensors, achieving accuracy of ±0.2% . The advanced weighing controller with fast sampling ensures consistent bag weights, minimizing material waste and product giveaway. The multi-stage feeding mechanism—fast, medium, and slow phases—ensures optimal filling precision for every bag .

Dust-Free and Environmentally Friendly Operation

The fully sealed machine design, combined with the pneumatic air flotation filling system, ensures virtually dust-free operation . Low air pressure technology and integrated dust removal significantly reduce dust pollution compared to conventional packing machines, creating a cleaner, safer working environment for operators .

Durable Construction for Continuous Operation

Built with high-strength steel structure and wear-resistant components, this dry mortar packing machine is designed for demanding industrial environments. The valve bag filling spout accepts standard valve bags, and the automatic bag detection system ensures seamless operation .

Key Features

• Ultrasonic sealing for hermetic, moisture-proof closures

• Digital weighing system with ±0.2% accuracy

• PLC touchscreen control with easy parameter adjustment

• Multi-stage feeding for precision filling control

• Sealed design with dust extraction port

• Packing speed: 3-5 bags per minute 

• Adjustable weight range: 10-60kg per bag

• Automatic bag detection and release

Applications

This valve bag filling machine is ideal for packaging:

• Dry mortar and tile adhesives

• Cement, gypsum, and lime powder

• Putty powder and wall fillers

• Quartz sand and mineral powders

• Chemical powders and industrial minerals

Zhengzhou Yishang Machinery Equipment Co., Ltd. brings over 14 years of expertise to every packing solution, delivering reliable, accurate, and clean packaging operations for the global construction materials industry.