DET NORSKE VERITAS
TYPE APPROVAL CERTIFICATE
This Certificate consists of 3 pages
This is to certify that the
with type designation
Manufactured by
Mitsubishi Heavy Industries Ltd., Nagasaki Shipyard & Machinery Works
Nagasaki Pref. 850-8610, Japan
is found to comply with
Application
The turbochargers are approved for use on diesel engines with application data as given in the certificate
Place and date |
This Certificate is valid until | |||||
for Det Norske Veritas AS |
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Local Office |
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Head of Section |
Surveyor | |||||
Exhaust driven turbocharger served by cylinder groups with combined power in the range 1300 kW to 19000 kW
Type: MET33SE, MET42SE, MET53SE, MET66SE, MET71SE, MET83SE
Application/Limitation
Type |
MET33SE |
MET42SE |
MET53SE | |||
Impeller size |
2 |
3 |
2 |
3 |
2 |
3 |
Max rated speed (RPM) |
26.960 |
25.440 |
21.760 |
20.540 |
17.160 |
16.190 |
Max cont. temperature (0C) |
580 | |||||
Max momentary temp. (0C) |
610 | |||||
Type |
MET66SE |
MET71SE |
MET83SE | ||
Impeller size |
2 |
3 |
3 |
2 |
3 |
Max rated speed (RPM) |
13.770 |
13.000 |
12.010 |
10.870 |
10.270 |
Max cont. temperature (0C) |
580 | ||||
Max momentary temp. (0C) |
610 | ||||
Maximum momentary speed is 110% of maximum rated speed.
ALARM LEVELS:
Overspeed, maximum alarm level: 105% of maximum rated speed
High exhaust temperature at turbine entry, maximum alarm level: 550 ºC
Low lubrication oil pressure at turbocharger inlet, minimum alarm level: 0.6 bar (gauge pressure)
High lubrication oil outlet temperature, maximum alarm level: 85 ºC 1)
1) DNV only requires alarm for turbochargers served by cylinder groups with combined power > 2500 kW
Application constraints:
Maximum allowed inclinations for MET turbochargers:
Static: ± 15º
Dynamic (momentary): ± 22.5º
Engine induced vibrations to be within the specified limits given in Instruction Manual
Type Approval documentation
Tests carried out
Shop test result of Mitsubishi exhaust gas turbocharger MET 53SE type,
drawing no. Tz - E020 - 0715 and Inspection Report of MET53SD (identical design to MET53SE) drawing no. 98-098, Shop test of MET90SE dated 00-09-29.
Marking of product
The product to be marked with manufacturer's name or trademark and type number identification.
Certificate retention survey
For retention of the Type Approval, a DNV surveyor shall perform survey every second year and before expiry date of this certificate to verify that the conditions of the type approval is complied with.
END OF CERTIFICATE
Notice: This Certificate is subject to terms and conditions overleaf. Any significant change in design or construction may render this Certificate invalid.
If any person suffers loss or damage which is proved to have been caused by any negligent act or omission of Det Norske Veritas, then Det Norske Veritas shall pay compensation to such person for his proved direct loss or damage. However, the compensation shall not exceed an amount equal to ten times the fee charged for the service in question, provided that the maximum compensation shall never exceed USD 2 million.In this provision "Det Norske Veritas" shall mean the Foundation Det Norske Veritas as well as all its subsidiaries, directors, officers, employees, agents and any other acting on behalf of Det Norske Veritas.
DET NORSKE VERITAS AS · VERITASVEIEN 1, 1322 HØVIK, NORWAY · TEL: (+47) 67 57 99 00 · FAX: (+47) 67 57 99 11