Double-walled underground tank with an inner shell made of steel and an outer shell made of FRP, compatible with fuel oil, waste oil, and recycled oil.
The "HTOSF series" is an underground tank designed to store fuel oils such as kerosene, light oil, and heavy oil, as well as waste oil, recycled oil, and products and raw liquids that fall under hazardous materials. It features a double-shell structure with a steel inner shell and an FRP outer shell, designed to detect leaks from the inner shell. The standard models have a capacity ranging from 4,000L to 30,000L. The standard material for the inner shell is SS400, and it can also be customized to stainless steel (SUS304). It can be used for both direct burial and tank room methods, and installation reference diagrams are provided according to the installation method.
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basic information
【Basic Specifications】 - Underground installation, double-shell structure - Inner shell: SS400 - Outer shell: FRP - Actual capacity: 4,000L to 30,000L - Structure that monitors the space between the inner and outer shells and can detect leaks from the inner shell - Compatible with direct burial method and tank room method - Suitable for fuel oils such as kerosene, light oil, and heavy oil - Also compatible with waste oil, recycled oil, and hazardous materials for product liquids and raw liquids 【Main Specification Changes and Custom Orders】 - Inner shell made of stainless steel (SUS304) - Large capacity products exceeding standard models - Multi-tank type with internal partitions - Position and diameter of connection ports - Arrangement of inlet and outlet - Manholes and inspection ports - Instruments such as level gauges - Leak detection equipment - Other accessories
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Applications/Examples of results
**Main Uses** - Storage of fuel for emergency generators - Storage of fuel for boilers, drying ovens, heating equipment, etc. - Fuel storage for regular equipment in factories and businesses - Underground storage of product liquids and raw materials used in manufacturing processes - Temporary storage, acceptance, and storage of waste oil and recycled oil - Large-capacity fuel storage The main storage targets are fuel oils such as kerosene, light oil, and A heavy oil, as well as product liquids and raw materials that fall under hazardous materials, waste oil, and recycled oil.
Detailed information
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【Delivery Example to Food Processing Factory】 We delivered HTOSF-6 as an underground tank for storing fuel for the boiler at a food processing factory. Model: HTOSF-6 Actual Capacity: 6,000L Usage: Storage of fuel for the boiler Stored Liquid: A heavy oil Structure: Double-shell structure with inner shell SS400 and outer shell FRP Specifications: Standard specifications *Installation conditions and product specifications may vary depending on the delivery destination.
Line up（5）
| Model number | overview |
|---|---|
| HTOSF-4／HTOSF-5／HTOSF-6 | Usable capacities of 4,000L, 5,000L, and 6,000L. These are convenient capacity ranges for underground storage of fuel for emergency generators and boilers. |
| HTOSF-7／HTOSF-8／HTOSF-10 | Usable capacities of 7,000L, 8,000L, and 10,000L. This is a medium-capacity model that can be selected according to fuel consumption and replenishment cycles. |
| HTOSF-12／HTOSF-13／HTOSF-15 | Actual capacities of 12,000L, 13,000L, and 15,000L. These capacity ranges are used for underground storage of fuel oil, product liquids, raw liquids, waste oil, and recycled oil in factory facilities. |
| HTOSF-18／HTOSF-20／HTOSF-25 | Actual capacity: 18,000L, 20,000L, 25,000L. This model is designed for factory equipment and large-capacity fuel storage. |
| HTOSF-30 | Actual capacity is 30,000L. This is the maximum capacity for the standard model of the HTOSF series. Capacities exceeding 30,000L will be custom-made. |
catalog（1）
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Company information
Hiragi Co., Ltd. is a company that develops products such as fuel storage tanks, oil depots, and hazardous material warehouses and storage facilities. Based on the design of storage, handling, and manufacturing equipment for hazardous material facilities as stipulated by the Fire Service Act, we are committed to product development utilizing the technology cultivated through the production of oil tanks and our knowledge related to hazardous material facilities. With years of trust and achievements as our foundation, we will contribute to society as a company that supports the safe storage and management of hazardous materials through the provision of better products and services.
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