OFFT = Thermal Double Wall Offset
OFFA = Acoustical Double Wall Offset
Inner Shell Dia mm d1
Outer Shell Diameter mm d10 = d1+2l
Insulation 25mm Or 50mm
Insulation Density 24 Kg/m3 As Standard
L=2d10
OFF Must Be Specified
OFFSET
OFFSET
OFFT = Thermal Double Wall Offset
OFFA = Acoustical Double Wall Offset
Inner Shell Dia mm d1
Outer Shell Diameter mm d10 = d1+2l
Insulation 25mm Or 50mm
Insulation Density 24 Kg/m3 As Standard
L=2d10
OFF Must Be Specified
