20FT Offshore Cement Silo Container DNV 2.7-1 20FT Offshore Cement Silo Container DNV 2.7-1 20FT Offshore Cement Silo Container DNV 2.7-1 20FT Offshore Cement Silo Container DNV 2.7-1 20FT Offshore Cement Silo Container DNV 2.7-1
Stock Upon request
ISO Size 20FT HC - 6058x2438x2896mm
Material Tank Body Mild / Carbon Steel Q345R

Offshore-rated ISO Bulk Cement Silos from Danteco are used to transport and store powdered cement for marine energy infrastructure grouting services. They have manufactured ASME-VIII-Div 1 rules for the construction of pressure vessels and are classified as ISO Type 20B4 (20FT Dry Bulk Containers). They also fall under the ISO TC-104 regulation.

The cement silos are in gauge 20FT standard ISO configuration with offshore certified pad-eye lifting eyes, easily transported by conventional shipping container lines, and well suited to intermodal transportation. The cement silos are provided with TIR and CSC certification.

International statutory authorities approve the pneumatic-operated Cement Tank for bulk powder cement to safely transport bulk cement, limestone and fly ash powder products. Danteco Industries BV supplies various designs of the bulk 20FT bulk cement tank. Our offshore cement tank is separated for five purposes: tank containers for offshore, cement storage, short-sea, deep-sea shipping, and rail transportation.

The tank containers are suitable for transporting bulk cement, limestone, fly ash, or coal powder by rail, road, and ship. All materials used in the construction shall withstand extremes of temperature ranging from -19ºC to +80ºC / -2,2ºF to +176ºF without affecting the strength of the container.

All Danteco tank containers are of the highest quality design and construction and conform strictly to the latest international approvals.

Please note that in certain exceptional cases, the containers operated by Danteco may have specifications that differ from the descriptions above.

Also, cargo in the container must conform to the dimensional regulations and laws stipulated by the host country; thus, payload capacity may be affected. For more information or assistance, please get in touch with our office. 

  • CSC plated for transport and logistics
  • Rated to DNV 2.7-3 R30
  • Cement can be transferred by crane infield
  • Twin internal air conveyor aeration system for constant cement supply and recovery

Our offshore-rated cement silos are designed to DNV 2.7-3 specifically for transferring bulk powder cement between vessels offshore in sea states up to Hs = 3m

20FT Offshore-rated Cement Silos

  • Max. Capacity 18.500 LTR
  • Max. Payload 19.500 KG
  • 20' x 8' x 9'6" 20FT HC ISO Full Frame Offshore Design
  • Pad Eye E36
  • Design temp. -20ºC to +70ºC / -2,2ºF to +176ºF
  • Design Pressure 2 bar
  • Max. Gross Weight 25,000 kg
  • 4" Cam-Lock male adaptor
  • Approvals by CCS, DNV 2.7-3 R30, ISO 10855-1, TC Approved


6058mm x 2438mm x 2896mm, 3.0 bar test pressure

Year manufactured: new build also available for rental

  Metric Imperial
Loading Capacity 18500 LTR (4887 US GALLONS) 4069 GALLONS
Volume Capacity 21000 LTR (5547 US GALLONS) 4619 GALLONS
Maximum Gross Weight 25000 KG 55115 LBS
Tare 5500 KG 12125 LBS
Working Pressure 2.0 bar 29 psi
Test Pressure 3.0 bar 43.51psi
Relief Valve Set Pressure 2.2 bar / -0.21 bar/vac 32 psi / -3 vac/psi
Ambient Temp. Range -20°C up to +80°C -4,00°F up to +176°F
Maximum Cargo Temp 80°C 176°F
Shell Material Dia. 2400mm Cylindrical Shell Mild Steel Q345B, 4,5 mm shell, 5,0 mm dish ends.
Design Code / Approvals ASME, Section VIII, Division 1 where applicable and TIR, C.S.C., ISO/TC - 104, ISO668, ISO6346, ISO830, ISO1496/3(Edt1995), ISO1161, CCS. (China Classification Society).
Standard Fittings:
Manlid 2x 500mm (20") diameter, 6-point fixing, 14mm x 12mm seal, located centre.
Air Source pressure 0.2~0.3 Mpa.
Air Supply ≥8 m3/min.
Air-inlet diameter 100mm cam lock type joint.
Outlet diameter 4" male adaptor.
The average speed of discharge (conveying cement to the place 30m high, 30m far) Cement: 1.0~1.5 t/min.
Remnant Ratio % cement: ≤0.3 (Cement: Not more than 100kg).
Gaskets & Seals Parts in contact with cargo, PTFE/Teflon.
Pipe System The dry compressed airflow via a 100 mm cam-lock type joint enters into the main pipe
with a 2.5" one-way valve, a 2" safety valve, a 1/2"safety valve, and a pressure gauge, then goes into two air cavities at each side of the inside of the tank through two branch pipes which are separately connected to the tank and main pipe. Another airflow goes through a 1" ball valve and a 1" one-way valve into the unloading pipe to speed up unloading cement. The diameter of the main pipe is 76mm, and the branch pipe is 57mm.
Unloading pipe 4" steel pipe. One discharge butterfly valve and one 4" male adaptor are fixed on the discharge pipe.
Document Holder / Earth Fitted @ the rear end, suitable for shipping documents, MSDS, etc. Earth is located at the rear.
Data Plate / Markings Stainless steel data plate detailing specifications fitted rear end.
Frame The frame comprises front and rear-ends frames, top and bottom. Each end frame is constructed by two (2) corner posts, top and bottom end rails, and four (4) thick diagonal corner plates.
Side rails, two (2) barrel supports, two (2) saddles, and eight (8) corner fittings.
Walkway 400MM-wide non-slip steel. One longitudinal walkway and three short transverse walkways at the front and rear and adjacent to the rear of the manhole’s spill box. Steel-net walkways galvanized to 10un thickness.
Handrail (Optional) Intergraded at the top rail

Actual measurements and specifications may vary and are subject to confirmation. 
Tank containers are supplied per the manufacturer's (Danteco Industries BV) general trading terms and conditions.

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