Wile E said, "Most hyd. hose is rated for 6x burst pressure."
I'm sorry, but this is incorrect. Almost all hydraulic hose has a 4:1 ratio of minimum burst pressure to recommended maximum working pressure.
For example, 1/4" SAE 100R2AT two-wire hose has a minimum burst pressure of 20,000 PSI and a maximum working pressure of 5,000 PSI.
The one exception I know is hydraulic jack hose, which has 2:1 ratio (20,000 burst, 10,000 working). The reason this ratio is low is that jacking applications are very low flow and do not result in impulse surges like other hydraulic applications.
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