Project Overview
A Vietnam-based fire extinguisher manufacturer required a flexible and reliable semi-automatic fire extinguisher production line for manufacturing different types of fire extinguishers, including dry powder fire extinguishers and foam fire extinguisher.
Based on the customer's product portfolio and manufacturing requirements, Guangzhou Zhongwen Machinery Equipment Co., Ltd. provided a customized manufacturing solution covering cylinder forming, welding, testing, surface treatment, filling, assembly, and packaging processes.
The project supports multiple extinguisher structures, including rolled shell cylinders, deep-drawn cylinders, hanging fire extinguishers, and wheeled fire extinguishers, helping the customer establish a flexible and efficient fire extinguisher manufacturing system.
Project Location: Vietnam
Industry: Fire Extinguisher Manufacturing
Product Types: Dry Powder Fire Extinguishers & Water-Based Fire Extinguishers
Production Type: Semi-Automatic Fire Extinguisher Production Line
Cylinder Types: Rolled Shell Cylinders / Deep Drawn Cylinders / Hanging Fire Extinguishers / Wheeled Fire Extinguishers
Solution: Complete Fire Extinguisher Manufacturing Process Integration
Customer Requirements
The customer required a production system capable of manufacturing different fire extinguisher structures with various cylinder designs, including:
· Rolled shell cylinders with M-shaped bottom covers
· Deep-drawn cylinders with U-shaped bottom covers
· Hanging fire extinguishers
· Wheeled fire extinguishers
Due to the diversity of products, the production line required strong flexibility, stable manufacturing performance, and the ability to integrate different forming technologies, welding processes, testing procedures, and finishing operations.
Project Challenges
The main challenge of this project was developing a flexible production solution capable of handling multiple fire extinguisher structures and manufacturing processes within one production system.
The project required:
· Different cylinder forming technologies
· Multiple welding processes
· Flexible production configurations
· Stable quality control throughout the manufacturing process
· Integration of testing, coating, filling, and packaging procedures
Through professional engineering design and process optimization, Zhongwen Machinery developed a customized solution to meet the customer's diversified production requirements.
Complete Fire Extinguisher Manufacturing Process
The production line integrates the complete manufacturing workflow from cylinder production to finished product packaging.
Overall Process Flow
Raw Material Preparation
↓
Cylinder Forming
↓
Welding Process
↓
Leak Testing
↓
Surface Treatment
↓
Powder Coating
↓
Fire Extinguisher Filling
↓
Final Assembly
↓
Labeling & Packaging
Product Manufacturing Capability
1. Rolled Shell Fire Extinguisher Cylinder Production
The production process includes:
· Upper and lower head stamping
· Valve seat welding on upper head
· Bottom cover marking and steel stamping
· Steel coil rolling and longitudinal welding
· Cylinder necking and trimming
· Circumferential welding
· Leak testing
· Shot blasting and surface grinding
· Powder coating
· Dry powder filling
· Finished product water testing
· Labeling
· Carton packing
2. Deep Drawn Fire Extinguisher Cylinder Production
The production process includes:
· Cylinder deep drawing forming
· Punching and trimming
· Bottom cover stamping
· Cylinder marking
· Valve seat welding
· Bottom cover welding
· Leak testing
· Shot blasting and surface treatment
· Powder coating
· Dry powder filling
· Finished product water testing
· Labeling
· Carton packing
3. Hanging Fire Extinguisher Production
The production process includes:
· Upper and lower head deep drawing
· Trimming, shaping, and necking
· Upper head marking and stamping
· Threaded valve seat and hook welding
· Circumferential welding
· Leak testing
· Cylinder grinding
· Powder coating
· Filling
· Silk screen printing
· Carton packing
4. Wheeled Fire Extinguisher Production
The production process includes:
· Upper and lower head deep drawing
· Trimming, shaping, and necking
· Upper head marking and stamping
· Threaded valve seat welding
· Steel plate rolling forming
· Longitudinal tack welding and welding
· Circumferential tack welding and welding
· Leak testing
· Cylinder grinding
· Internal cylinder coating
· Powder coating
· Filling
· Labeling
· Cart assembly
· Packaging
Zhongwen Customized Solution
To meet the customer's requirements for multiple fire extinguisher products, Zhongwen Machinery designed and integrated a customized semi-automatic fire extinguisher manufacturing solution.
The project demonstrates Zhongwen Machinery’s capabilities in:
· Fire extinguisher cylinder manufacturing equipment
· Rolled shell and deep-drawn cylinder production technology
· Welding and assembly solutions
· Surface treatment systems
· Fire extinguisher filling and testing equipment
· Multi-product production line integration
By combining professional engineering experience with customized equipment design, Zhongwen Machinery provided the customer with a practical and reliable production solution.
Project Value
This Vietnam project demonstrates Zhongwen Machinery’s capability to provide comprehensive fire extinguisher production equipment and customized manufacturing solutions for global customers.
By integrating cylinder manufacturing, welding, testing, coating, filling, assembly, and packaging processes, the project helped the customer establish a flexible production system capable of supporting multiple fire extinguisher product categories.
With extensive industry experience and strong engineering capabilities, Guangzhou Zhongwen Machinery Equipment Co., Ltd. continues to support global fire extinguisher manufacturers with reliable equipment, customized solutions, and complete production line capabilities.
