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1 To enable pipes of reception
facilities to be connected with the ship's discharge pipeline, both
lines shall be fitted with a standard discharge connection in accordance
with the following table:
Standard dimensions of flanges for discharge connections
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Description
|
Dimension
|
| Outside diameter |
210 mm |
| Inner diameter |
According to pipe outside diameter |
| Bolt circle diameter |
170 mm |
| Slots in flange |
4 holes, 18 mm in diameter, equidistantly
placed on a bolt circle of the above diameter, slotted to the
flange periphery. The slot width to be 18 mm |
| Flange thickness |
16 mm |
| Bolts and nuts: quantity and diameter |
4, each of 16 mm in diameter and of
suitable length |
| The flange is designed to
accept pipes up to a maximum internal diameter of 100 mm and
shall be of steel or other equivalent material having a flat
face. This flange, together with a suitable gasket, shall be
suitable for a service pressure of 600 kPa. |
For ships having a moulded depth of 5 m and less, the inner diameter
of the discharge connection may be 38 mm.
2 For ships in dedicated
trades, i.e. passenger ferries, alternatively the ship's discharge
pipeline may be fitted with a discharge connection which can be
accepted by the Administration, such as quick-connection couplings.
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