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ASTM F841-19
Standard Specification for Thrusters, Tunnel, Permanently Installed in Marine Vessels
Přeložit název
NORMA vydána dne 1.12.2019
Informace o normě:
Označení normy: ASTM F841-19
Datum vydání normy: 1.12.2019
Kód zboží: NS-980491
Počet stran: 6
Přibližná hmotnost: 18 g (0.04 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Anotace textu normy ASTM F841-19 :
This specification supplies the general characteristics and requirements, and interface details of propeller-type, fixed-tunnel thruster units that are permanently installed in marine vessels or structures. Thrusters manufactured in accordance with this specification shall be identified by the following types and grades: Type I´fixed pitch; and Type II´controllable pitch; Grade 1´intermittent duty for docking and navigation; and Grade 2´continuous duty for stationkeeping or dynamic positioning. The thrusters shall meet the design, manufacturing, dimensional, and workmanship requirements specified herein.
Keywords:
fixed-tunnel thrusters, propeller-type thrusters,, ICS Number Code 47.020.70 (Navigation and control equipment)
Doplňující informace
| 1. Scope | ||||||||
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1.1 This specification supplies general characteristics and interface details of propeller type, fixed-tunnel thruster units permanently installed in marine vessels or structures. 1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Note 1: This specification supplies only general design,
interface, and purchase information and does not include
requirements for use, thruster controls, or associated equipment.
The purchaser of the thruster equipment specified herein is
cautioned that he must properly correlate the operating
requirements with the thruster specified.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||||
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