АРК-2023.011ТТ
BASIC TECHNICAL REQUIREMENTS TO PUMPS FOR DRYCARGO SHIP FOR АРК-2023 PROJECT
1 MAIN VESSEL DATA
1.1 The vessel is designed and built for class КМ Ice1 (hull; machinery) R2 AUT3 L1 BWM(T) CONT (deck, cargo hold) DG (bulk, pack) DE-Tier III General dry cargo ship;
1.2 The flag of the vessel – the Russian Federation.
2 TECHNICAL REQUIREMENTS TO THE PUMPS
2.1 Pumps must comply with the requirements of the Russian Maritime Register of Shipping, have the RMRS certificate.
2.2 Characteristics of pumps must comply with the table 1.
Table 1
|
Type |
Pumped medium |
Capacity, м3/h |
Head, МPа |
Cavitation margin, м |
Self-suction height, м |
Quantity, pcs |
|
(diesel fuel transfer) Screw pump |
Diesel fuel |
10 |
0,4 |
|
|
1 |
|
(main engine oil) Screw pump |
Oil |
28 |
|
|
|
1 |
|
(cooling low-temperature circuit of main engine) Centrifugal pump |
Fresh water |
43 |
0,355 |
|
|
1 |
|
(cooling high-temperature circuit of main engine) Centrifugal pump |
Fresh water |
36 |
0,36 |
|
|
1 |
|
(ballast-drainage) Vertical centrifugal pump, electric, self-suction |
Sea water |
160 |
0,3 |
|
|
2 |
|
(fire) Centrifugal pump with electric self-suction device with zero flow function |
Sea water |
65 |
0,8 |
|
|
2 |
|
(sanitary-sewage water) Centrifugal pump |
Sewage water |
25 |
0,14 |
|
|
1 |
|
(sanitary-sewage water) Screw pump, with build-in protecting bypass valve |
Sewage water |
1,5 |
0,14 |
|
|
2 |
|
(Bilge water) Vertical one-screw pump, electric, with build-in protecting bypass valve |
Bilge water |
2 |
0,5 |
|
|
1 |
|
(sludge) Vertical one-screw pump, electric, with build-in protecting bypass valve, with dry running protection |
|
2 |
0,3 |
|
|
1 |
|
(fresh water) Vertical centrifugal pump |
Fresh water |
1 |
0,3 |
|
|
2 |
|
(fresh water hydrophore) Vertical centrifugal pump |
Fresh water |
5 |
0,3 |
|
|
2 |
|
(hot water) Circulating centrifugal horizontal pump |
Fresh water |
1 |
0,1 |
|
|
1 |
|
(conditioner cooling) Centrifugal pump |
Sea water |
21 |
0,3 |
|
|
1 |
2.3 Voltage 3~50Рz, 380V, protection level at least IP44.
2.4 Power supply from three-phase network without neutral.
2.5 Flow part material must be resistant to transfer medium impact.
2.6 Warranty period of equipment operating life – at least 1 year.
3 Scope of supply
Pumps are supplied to the vessel in the following scope of supply: standard set of measuring instruments (pressure gauge, pressure-vacuum gauge), counter connections for connecting pipelines, a standard external device (bolt) for their grounding opportunity. Pump electric motor must be grounded to the pump frame and have cable glands.
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