Steel Round Tanks and Obround Tanks

Fluidall offers an extensive array of above ground horizontal and vertical, round tanks and obround oil storage tanks, built with UL Certifications.

Round and Obround Steel Tanks


The UL 142 rated steel round and obround storage tanks are shop built in single and double walled capacities from 150 to 2,000 gallons for the storage and dispense requirements of lubricants, oils and chemicals. These oil tank utilize the latest welding technology and testing standards to ensure that you receive the highest quality round and obround storage tanks available for horizontal and vertical arrangements.

All Steel Round Tanks and Steel Obround Tanks are Equipped with a Universal Hose Reel Mount Plate.


Horizontal Round Tanks

Round Horizontal Tanks

Round Horizontal Oil Tanks are available in single wall and double wall tank configurations. Round Horizontal single wall tanks have a 2" drain as there is no interstitial space to monitor. Round Horizontal double wall tanks have a 2" pipe with an elbow at the bottom that allows for insertion of a gauge for inspection of the interstitial space on a double wall tank.

Round Horizontal Single Wall Tanks Specifications

Tank ModelGallon CapacityTank DimensionsTank Openings
SSW150PDH147 Gallons30"Dia x 48"L(4) 2" Top NPT, (1) 4" NPT Emergency Vent, (1) 2" Bottom Drain
SSW280PDH264 Gallons36"Dia x 60"L(4) 2" Top NPT, (1) 4" NPT Emergency Vent, (1) 2" Bottom Drain
SSW500PDH509 Gallons48"Dia x 65"L(4) 2" Top NPT, (1) 4" NPT Emergency Vent, (1) 2" Bottom Drain
SSW1000PDH1,018 Gallons48"Dia x 130"L(5) 2" Top NPT, (1) 6" NPT Emergency Vent, (1) 2" Bottom Drain
SSW2000PDH2,005 Gallons64"Dia x 144"L(5) 2" Top NPT, (1) 6" NPT Emergency Vent, (1) 2" Bottom Drain

Round Horizontal Double Wall Tanks Specifications

Tank ModelGallon CapacityTank DimensionsTank Openings
SDW150PDHDW147 Gallons30"Dia x 48"L(5) 2" Top NPT, (2) 4" NPT Emergency Vent, (1) 2" Monitoring Pipe
SDW280PDHDW264 Gallons36"Dia x 60"L(5) 2" Top NPT, (2) 4" NPT Emergency Vent, (1) 2" Monitoring Pipe
SDW500PDHDW509 Gallons48"Dia x 65"L(5) 2" Top NPT, (2) 4" NPT Emergency Vent, (1) 2" Monitoring Pipe
SDW1000PDHDW1,018 Gallons48"Dia x 130"L(5) 2" Top NPT, (2) 6" NPT Emergency Vent, (1) 2" Monitoring Pipe
SDW2000PDHDW2,005 Gallons64"Dia x 144"L(5) 2" Top NPT, (2) 6" NPT Emergency Vent, (1) 2" Monitoring Pipe

Round Horizontal Skids

Round Horizontal Skids

Round Horizontal Skids are available in single wall and double wall configurations. Round Horizontal single wall skids have a 2" drain as there is no interstitial space to monitor. Round Horizontal double wall skids have a 2" pipe with an elbow at the bottom that allows for insertion of a gauge for inspection of the interstitial space on a double wall steel skid tank.

Round Horizontal Single Wall Skid Specifications

Tank ModelGallon CapacityTank DimensionsTank Openings
SSW280PDSK264 Gallons36"Dia x 60"L(4) 2" Top NPT, (1) 4" NPT Emergency Vent, (1) 2" Bottom Drain
SSW500PDSK509 Gallons48"Dia x 65"L(4) 2" Top NPT, (1) 4" NPT Emergency Vent, (1) 2" Bottom Drain
SSW1000PDSK1,018 Gallons48"Dia x 130"L(5) 2" Top NPT, (1) 6" NPT Emergency Vent, (1) 2" Bottom Drain
SSW2000PDSK2,005 Gallons64"Dia x 144"L(5) 2" Top NPT, (1) 6" NPT Emergency Vent, (1) 2" Bottom Drain

Round Horizontal Double Wall Skid Specifications

Tank ModelGallon CapacityTank DimensionsTank Openings
SDW280PDSKDW264 Gallons36"Dia x 60"L(5) 2" Top NPT, (2) 4" NPT Emergency Vent, (1) 2" Monitoring Pipe
SDW500PDSKDW509 Gallons48"Dia x 65"L(5) 2" Top NPT, (2) 4" NPT Emergency Vent, (1) 2" Monitoring Pipe
SDW1000PDSKDW1,018 Gallons48"Dia x 130"L(5) 2" Top NPT, (2) 6" NPT Emergency Vent, (1) 2" Monitoring Pipe
SDW2000PDSKDW2,005 Gallons64"Dia x 144"L(5) 2" Top NPT, (2) 6" NPT Emergency Vent, (1) 2" Monitoring Pipe

Obround Horizontal Tanks

Obround Horizontal Tanks

Obround Horizontal Tanks are available in single wall and double wall tank configurations. Obround Horizontal single wall tanks have a 2" drain as there is no interstitial space to monitor. Obround Horizontal double wall obround tanks have a 2" monitor opening into the interstitial space between the inner and outer tank to check for leaks.

Obround Horizontal Single Wall Tanks Specifications

Tank ModelGallon CapacityTank DimensionsTank Openings
SSW275PDOB275 Gallons27"W x 60"L x 44"H(5) 2" Top NPT, (1) 4" NPT Emergency Vent, (1) 2" Bottom Drain
SSW330PDOB330 Gallons27"W x 72"L x 44"H(5) 2" Top NPT, (1) 4" NPT Emergency Vent, (1) 2" Bottom Drain

Obround Horizontal Double Wall Tanks Specifications

Tank ModelGallon CapacityTank DimensionsTank Openings
SDW275PDOBDW275 Gallons27"W x 60"L x 44"H(5) 2" Top NPT, (2) 4" NPT Emergency Vent, (1) 2" Interstitial Opening
SDW330PDOBDW330 Gallons27"W x 72"L x 44"H(5) 2" Top NPT, (2) 4" NPT Emergency Vent, (1) 2" Interstitial Opening

Obround Vertical Tanks

Obround Vertical Tanks

Obround Vertical Tanks are available in single wall and double wall tank configurations. Obround Vertical single wall tanks have a 2" drain as there is no interstitial space to monitor. Obround Vertical double wall obround tanks have a 2" monitor opening into the interstitial space between the inner and outer tank to check for leaks.

Obround Vertical Single Wall Tanks Specifications

Tank ModelGallon CapacityTank DimensionsTank Openings
SSW275PDV275 Gallons44"W x 27"L x 60"H(5) 2" Top NPT, (1) 4" NPT Emergency Vent, (1) 2" Bottom Drain
SSW330PDV330 Gallons44"W x 27"L x 72"H(5) 2" Top NPT, (1) 4" NPT Emergency Vent, (1) 2" Bottom Drain

Obround Vertical Double Wall Tanks Specifications

Tank ModelGallon CapacityTank DimensionsTank Openings
SDW275PDVDW275 Gallons44"W x 27"L x 60"H(5) 2" Top NPT, (2) 4" NPT Emergency Vent, (1) 2" Interstitial Opening
SDW330PDVDW330 Gallons44"W x 27"L x 72"H(5) 2" Top NPT, (2) 4" NPT Emergency Vent, (1) 2" Interstitial Opening

Round Vertical Tanks

Round Vertical Tanks

Round Vertical Tanks are available in single wall and double wall tank configurations. Round Vertical single wall tanks have a 2" drain as there is no interstitial space to monitor. Round Vertical double wall obround tanks have a 2" monitor opening into the interstitial space between the inner and outer tank to check for leaks.

Round Vertical Single Wall Tanks Specifications

Tank ModelGallon CapacityTank DimensionsTank Openings
SSW500PDV509 Gallons48"Dia x 65"H(4) 2" Top NPT, (1) 4" NPT Emergency Vent, (1) 2" Bottom Drain
SSW1000PDV1,002 Gallons64"Dia x 72"H(5) 2" Top NPT, (1) 6" NPT Emergency Vent, (1) 2" Bottom Drain

Round Vertical Double Wall Tanks Specifications

Tank ModelGallon CapacityTank DimensionsTank Openings
SDW500PDVDW509 Gallons48"Dia x 65"H(4) 2" Top NPT, (2) 4" NPT Emergency Vent, (1) 2" Interstitial Opening
SDW1000PDVDW1,002 Gallons64"Dia x 72"H(5) 2" Top NPT, (2) 6" NPT Emergency Vent, (1) 2" Interstitial Opening

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