Page 314 - International safety guide for oil tankers and terminals

INTERNATIONAL SAFETY GUIDE FOR OIL TANKERS AND TERMINALS

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BS EN1765 and OCIMF Guidance
EN13705 Industry Practice

งานห้องสมุด ศูนย์ฝกพาณิชย์นาวี

Burst Pressure

Burst Test Pressure Burst Test Pressure

4
times
RWP

Proof Pressure Integrity Check Pressure

1.5
times
ึ
RWP
MWP RWP
Maximum Working Pressure Rated Working Pressure
Factory Test Pressure MAWP - Maximum
Allowable Working Pressure

Operating Pressure
Working Pressure

Increasingeaseaseas
Pressureessessessess

Figure 18.1 – Illustration of terminology used for defining hose pressures

Maximum Allowable Working Pressure (MAWP)
This is the same as Rated Working Pressure and Maximum
Working Pressure. MAWP is used as a reference by the United
States Coast Guard and is commonly used by terminals to define
their system equipment limitations.
Factory Test Pressure
This is referenced in BS EN 1765 and is defined as equal to the
Maximum Working Pressure, which in turn is the same as Rated
Working Pressure.

280 © ICS/OCIMF/IAPH 2006