ZONESUN ZS-LWC350L Vertical Large Bag Sealer with Optional Date Coding System

Description

The ZONESUN ZS-LWC350L is a vertical continuous band sealer designed for large and heavy bags. Its dual-motor system synchronizes the upper and lower conveyors, keeping bags stable throughout the sealing process and preventing slipping or misalignment. Adjustable sealing height, make it suitable for a wide range of packaging materials with load capacity of 30–50 kg.

The ZS-LWC350L features a 100–1000mm adjustable sealing range. Optional configurations include wider sealing width, extended retention section, steel-wheel printing, ribbon coding, standard inkjet printer, and high-performance inkjet printer for date and batch coding during sealing.

Technical Specifications

• Model: ZS-LWC350L
• Power Supply: 220V / 50–60Hz (110V with external transformer available)
• Power: 1750W
• Motor: 24V / 200W / 30K
• Sealing Speed: 0–15 m/min (adjustable)
• Sealing Width: 10mm
• Temperature Range: 0–300°C × 2
• Applicable Bag Size (L×W×T): 1000 × 800mm × 0.02mm
• Adjustable Sealing Range: 100–1000mm
• Sealing Belt Size (L×W×T): 1450 × 18 × 0.22mm
• Conveyor Belt Size: 3300 × 320 × 2mm
• Heating Tube Size: 150 × 10mm × 350W × 4
• Conveyor Load Capacity: 30–50 kg
• Machine Dimensions (L×W×H): 2160 × 620 × 1540mm
• Machine Weight: 122 kg
• Packing Size (L×W×H): 1290 × 690 × 1610mm
• Packing Weight: 150 kg
• Optional Configurations: Wider sealing width, extended retention section, steel-wheel printing, ribbon coding, standard inkjet printer, high-performance inkjet printer

Control Panel

Allows convenient adjustment of sealing temperature, conveyor speed, and operating parameters for different packaging requirements.

Heating & Sealing System

Continuously heats and seals the bag opening as it passes through the sealing section, providing a consistent and secure seal.

Conveyor Belt

Continuously transports packaged products through the sealing process for efficient production.

Adjustable Bag Guide

Guides bags into the sealing section and helps maintain proper positioning during continuous conveying.

Dual-Motor Synchronized Control

A reduction motor and stepper motor work together to synchronize the upper and lower mechanisms, ensuring stable operation during continuous sealing.

Why Choose the ZS-LWC350L?

✅ Dual-Motor Synchronized Conveyor — Stable Sealing of Large & Heavy Bags: Independent dual-motor system drives the upper and lower conveyors in precise synchronization, preventing bag slipping, misalignment, or uneven sealing during continuous band sealing of large, heavy, and bulky packaging bags — delivering consistent heat seal quality on bags up to 1000×800mm and 30–50kg load capacity

✅ 0–15 m/Min Adjustable Speed — Flexible Production Rate Control: Continuously adjustable conveyor sealing speed from 0 to 15 m/min allows operators to match sealing throughput to upstream filling and production line speed, and to optimize heat seal dwell time for different bag materials, thicknesses, and product weights on the vertical continuous band sealer

✅ 0–300°C × 2 Temperature Control — Wide Material Compatibility: Dual independent heating zone temperature control from 0 to 300°C provides the thermal range required for consistent heat band sealing of PE, PP, OPP, aluminum foil laminate, and other common packaging film materials used in large industrial bag and pouch sealing applications

✅ 100–1000mm Adjustable Sealing Range — Multi-Format Bag Compatibility: Wide 100–1000mm adjustable sealing height range accommodates the vertical opening height of different large bag formats without physical machine changeover, making the ZS-LWC350L suitable for sealing various sizes of industrial bags, fertilizer sacks, flour bags, rice bags, and bulk product packaging bags

✅ 30–50kg Conveyor Load Capacity — Heavy-Duty Bag Sealing Support: Heavy-duty conveyor system with 30–50kg load capacity supports the weight of filled large bags during continuous sealing — preventing conveyor sag or speed variation caused by heavy bag weight and maintaining consistent seal quality for industrial bulk packaging applications

✅ Optional Coding Configurations — Inkjet, Ribbon & Steel-Wheel Printing: Optional steel-wheel printing, ribbon coding, standard inkjet printer, and high-performance inkjet printer configurations allow date codes, batch numbers, and product information to be applied to the seal area during the continuous band sealing process — without separate offline coding equipment

✅ 110V & 220V — Global Voltage Compatibility: Available in standard 220V or 110V with external transformer, making the ZS-LWC350L suitable for deployment in different countries and regions with varying electrical standards — supporting export sales, multinational production facilities, and operations requiring flexible power supply options for industrial bag sealing equipment

Ideal Applications

Industrial Bulk Bag & Heavy Sack Sealing: Vertical continuous band sealing of large, heavy-duty bags up to 1000×800mm and 30–50kg including fertilizer bags, chemical powder sacks, animal feed bags, seed bags, and other industrial bulk product packaging requiring stable dual-motor synchronized sealing of large filled bags at adjustable 0–15 m/min production speeds

Food Grain, Flour & Rice Bag Sealing: Continuous heat band sealing of large food packaging bags including flour sacks, rice bags, sugar bags, grain bags, and other bulk food product packaging — with adjustable 0–300°C temperature control and 100–1000mm sealing height range accommodating the variety of large bag formats used in food grain and agricultural product bulk packaging

Pet Food & Agricultural Product Bag Sealing: Vertical continuous band sealing of large pet food bags, agricultural product sacks, and other heavy packaging bags requiring stable dual-motor conveyor support for consistent seal quality on thick, heavy, or multi-layer laminate bag materials at sustained production sealing speeds

Industrial Chemical & Powder Bag Sealing with Coding: Continuous band sealing of industrial chemical, mineral, powder, and granule product bags with optional inkjet printer or ribbon coding integration for date codes, batch numbers, and product identification applied during sealing — suitable for industrial packaging lines requiring combined sealing and coding on large heavy-duty product sacks

High-Volume Bag Sealing Production Lines: Vertical continuous band sealer for integration into high-volume bag filling and sealing production lines — with adjustable speed, temperature, and sealing range supporting flexible production changeover between different bag sizes, materials, and product types on industrial packaging lines requiring continuous automated large bag sealing output