Offshore Cement Silo

Subcon’s offshore rated cement silos are designed to DNV 2.7‐3 specifically for transferring cement between vessels offshore in sea states up to Hs = 3m.


  • CSC Plated for Road, Rail and Sea Transport
  • Twin internal air conveyors for constant cement supply & recovery.
  • Rated to DNV 2.7-3 R30. Cement can be transferred by crane infield.


 Standards and Certification
 Lifting Design Code DNV 2.7‐3 R30
 Tank Design Code ASME VII‐DIV 1 Edt 2011A
 WCertificate of Conformity for Lifted Equipment (CCLE) PV 6‐174840/13
Operating Density AEC2013‐110‐L698


 Length 6.058m (20’)
 Width 2.438m (8’)
 Height 2.591m (8’6”)
 Cubic Capacity 18.5m3
 Tare 5,800 kg
 Nett (Max Payload) 25,200 kg
 Typical Payload 22,000 kg
 Gross 31,000 kg


 Working Pressure 0.2 MPa/29Psi
 Manhole Aperture 500mm
 Air Supply Pressure 160‐200 kPa/23‐29Psi, 700cfm.


 Principal Particular
 Air Inlet Pipe Diameter 75mm (3”) male camlock
 Cement Inlet (Pressure Filling) 100mm (4”) male camlock
 Outlet / Discharge 100mm (4”) male camlock
 Cement Discharge Rate Fully discharged in 19minutes
 Cement Remnant Ratio <0.3% (85kgs)
 Gaskets and seals Teflon
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