Oil Service Tank (Small Tank) 'ST/STB Series'

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ST・STB/T・TB/RT/HTOS・HTOSB series

last updated：Jul 23, 2026

ヒイラギ

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For fuel supply to boilers and power generation equipment. Oil service tanks that can be selected by capacity, oil containment, and specifications.

The "ST・STB series" is an oil service tank (small storage tank) that supplies fuel to boilers, emergency generators, and various combustion equipment. The representative series ST comes in 9 capacities ranging from 98L to 980L, while the STB is a type that includes an oil containment berm and a sump with the same capacity configuration. In addition, we offer the T・TB series, which is small and reasonably priced, the RT series equipped with three-sided shielding plates and an oil containment berm and sump, the HTOS series designed for public building equipment specifications, and the HTOSB series with an oil containment berm. Confirm the equipment to be used, the required capacity, the necessity of an oil containment berm, and the installation location, and then decide on the model from each series.

Related Link - https://www.tank-hiiragi.co.jp/pages/26/

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basic information

【ST・STB Series】 - Oil service tank (small tank) - ST: Tank and frame - STB: Includes oil containment dike and catch basin with the same capacity configuration as ST - Capacities: 98L, 150L, 198L, 300L, 398L, 500L, 600L, 800L, 980L 【T・TB Series】 - Small capacity, economical type - T: Tank and frame - TB: Includes oil containment dike and catch basin with the same capacity configuration as T - Capacities: 95L, 195L 【RT Series】 - With three-sided shielding plate - Includes oil containment dike and catch basin - Capacities: 95L, 195L, 351.1L 【HTOS・HTOSB Series】 - HTOS: Specifications for public building equipment - HTOSB: Includes oil containment dike and catch basin with the same specifications as HTOS - Capacities: 100L, 150L, 190L, 300L, 500L, 950L

Price range

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Delivery Time

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Applications/Examples of results

**Main Uses** - Fuel supply to boilers - Fuel supply to emergency generators - Fuel supply to various combustion equipment - Intermediate tank that temporarily receives fuel sent from the main tank - Replacement of existing service tanks - Upgrade to service tanks with oil containment berms This is an oil service tank that temporarily receives fuel sent from the main tank and supplies it to equipment such as boilers and generators. Check the equipment to be used, type of fuel, required capacity, necessity of oil containment, and installation space to determine the model from ST, STB, T, TB, RT, HTOS, and HTOSB.

Detailed information

【Oil Service Tank Available for Selection by Purpose and Specifications】 In addition to the representative series ST and STB, we offer the following series tailored to installation conditions and required specifications. T and TB Series These are small capacity types with volumes of 95L and 195L. The TB includes an oil containment berm and a sump. RT Series This type features shielding plates on three sides of the tank, integrating the oil containment berm and sump. HTOS and HTOSB Series This series complies with the standard specifications for public building equipment construction. The HTOSB includes an oil containment berm and a sump. *Installation conditions and product specifications may vary depending on the delivery location.

Line up（4）

Model number	overview
ST・STB Series	ST-100 to ST-1000, STB-100 to STB-1000. This is a representative series that offers capacities of 98L, 150L, 198L, 300L, 398L, 500L, 600L, 800L, and 980L. The STB models come with an oil barrier and a catch basin.
T・TB Series	T-100, T-200, TB-100, TB-200. These are small capacity and reasonably priced types with capacities of 95L and 195L. The TB models come with an oil barrier and a containment basin.
RT Series	RT-100, RT-200, RT-400. Capacities of 95L, 195L, and 351.1L. These are service tanks equipped with three-sided shielding panels, oil barriers, and a containment basin.
HTOS・HTOSB Series	HTOS-100 to HTOS-950, HTOSB-100 to HTOSB-950. This is the specification for public building equipment with capacities of 100L, 150L, 190L, 300L, 500L, and 950L. HTOSB includes an oil barrier and a retention basin.