Custom-made PVC Lined FRP Tower Undergoes Water Testing At Our Factory.

Recently, the PVC lined FRP tower for the chlor-alkali industry project undertaken by our company has completed all manufacturing processes and is currently undergoing water injection pressure testing and sealing tests at our factory (Hebei Jiarui FRP Co., Ltd.). The equipment will soon be packed and shipped to the Indonesian customer for on-site installation and use via sea freight.

This delivered equipment is a key processing unit in the core section of the chlor-alkali production line, employing a corrosion-resistant composite material structure system. The chlor-alkali production process involves high concentrations of chlorine gas, chlorides, and strongly alkaline media, placing extremely stringent requirements on the corrosion resistance and structural stability of the equipment materials. Our technical team, considering the tropical maritime climate of Indonesia and the specific process parameters of the project, fully considered the service conditions under the long-term coupled effects of high temperature, high humidity, and strongly corrosive media in the structural design.

The main body of the tower is molded from thermosetting resin-based composite materials, and the inner wall lining layer uses high-quality polyvinyl chloride material for a composite lining design. This composite structure leverages the advantages of FRP (fiberglass reinforced plastic) materials-lightweight, high-strength, and highly designable-while providing an excellent corrosion barrier through a dense PVC lining, making it particularly suitable for highly oxidizing media environments such as hypochlorite and wet chlorine commonly found in chlor-alkali applications. Compared to traditional metal-lined or all-metal towers, this composite structure achieves approximately 40% weight reduction while maintaining the same corrosion resistance level, significantly reducing the frequency of subsequent maintenance.

During manufacturing, our company strictly adheres to relevant ISO and ASTM standards, conducting process inspections at every stage, from lining welding and surface treatment to FRP winding curing. For the long-distance sea freight requirements of exports to Indonesia, the equipment interface flanges and support structures have been specifically reinforced. The ongoing factory water trial primarily verifies the structural sealing performance, leak-free flange connections, and overall stiffness of the equipment under full-water conditions. The test tank is filled to 1.2 times the equipment's design volume, and the pressure holding time is 48 hours. Testing personnel record deformation and temperature compensation data hourly to ensure all quality indicators meet the technical agreement requirements before delivery.

As Southeast Asia's largest economy, Indonesia has been accelerating the localization of its basic chemical industry in recent years. Downstream products from the chlor-alkali industry are widely used in alumina smelting, papermaking, water treatment, PVC products, and fine chemicals. After comparing several domestic and international suppliers, the client ultimately chose to cooperate with our company, primarily due to our technological accumulation in corrosion-resistant composite material equipment, our proven track record, and our customized design capabilities for tropical conditions.

Our company has over 20 years of experience in designing and manufacturing corrosion-resistant fiberglass equipment. Our products cover various non-standard chemical equipment such as scrubbing towers, absorption towers, storage tanks, reactors, and flues. We have provided complete sets of equipment and upgrade services to dozens of chlor-alkali, fluorochemical, pesticide, and pharmaceutical intermediate companies in China. In the export sector, our equipment has entered markets such as Vietnam and Malaysia, accumulating rich experience in cross-border transportation, on-site installation guidance, and after-sales technical services. For this Indonesian project, our company has prepared a complete set of export documents, including as-built drawings in both Chinese and English, material quality certificates, welding and lining records, and non-destructive testing reports.

According to the project schedule, the tower equipment will be shipped to the designated export port soon after completing all water testing and external packaging. Our company will simultaneously dispatch technical personnel to assist the client with arrival acceptance and installation guidance. We welcome domestic and international clients in the chlor-alkali, chemical, and water treatment industries to visit our factory to inspect the equipment manufacturing process and water testing, and to conduct technical exchanges on specific operating conditions.

For technical specifications, operating condition selection advice, or recent project case studies for this equipment, please contact our Sales Engineering Center. We can provide one-stop non-standard customized services, from material design and structural calculations to production and delivery, for different concentrations, temperatures, and media combinations. We also undertake the repair and modification of various corrosion-resistant towers, storage tanks, and pipelines. Inquiries are welcome.

Our company specializes in manufacturing non-standard chemical equipment such as PVC lined FRP towers, all-fiberglass storage tanks, and waste gas scrubbing towers. We possess large-scale winding equipment and an independent testing laboratory. Our products are widely used in chlor-alkali, metallurgy, and new energy materials industries. Please feel free to contact us if you have any needs.