• Published: 4 Sep 2023

BSEE: Improper use and application of high-pressure hoses

Improper use and application of high pressure hoses
Improper use and application of high pressure hoses

Description of Incident

During a recent offshore inspection, a BSEE inspector observed operator personnel installing a 30m high pressure hose, with a Maximum Working Pressure (MWP) of 5000 psi, to test pressure safety valves on pipeline pumps. The hose used was designed for hydraulic fluid and was not suitable for high-pressure nitrogen; when nitrogen gas at 2500 psi was injected into the hydraulic hose, the hose blistered, allowing nitrogen gas to leak.

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