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14:06 Sep 6, 2008
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English to Russian translations [PRO] Tech/Engineering - Engineering (general)
English term or phrase:pad type nozzle
Из документа INSTALLATION AND OPERATING INSTRUCTIONS FOR PRESSURE EQUIPMENTS:
EQUIPMENTS SUBJECTED TO FATIGUE
Equipments with pressure variation less than 5% of the design pressure
They are not considered to be subject to fatigue.
Equipments with pressure variation larger than 5% of the design pressure
Except otherwise specified in the design technical documentation, equipment not specifically calculated to resist fatigue are intended for maximum fatigue lifetime as follows:
for equipments wall thicknesses calculated by formulas according to ASME code(s):
- 1000 cycles, in which the pressure variation exceeds 20% of the design pressure, for equipments not containing ***pad type nozzles*** and no integral attachments; but 400 cycles, in which the pressure variation exceeds 15% of the
design pressure, for equipments containing ***pad type nozzles*** and no integral attachments; or,
For equipments calculated by formulas according to European codes:
- 500 cycles.