Fuel Injector Hose spec needed

[Graham]

I ordered 7.5mm fuel injection hose from local parts store. No on-line catalog for me to check, but parts guy said it was for Mercedes and was the right size. I picked it up and it "looks" OK. It is same size ID/OD as hose I have bought at dealer.

This hose says: CRP NBR/CR N18030E 7,5x3mm 10/02/14

CRP is seems is name of overall company that owns Contitech, Rhein & Pentosin. But I don't find the hose I bought on any of their sites.

I believe the hose may be distributed by Worldpac. The invoice said WPC4L3001008. But another site shows same hose in picture and says W0133-1609564.

Before using this hose, I would like to find out just what it's pressure/temperature rating is and if it is good for use in low pressure fuel injection system (30psig operating)

Anyone know where to find that info? I have asked both Worldpac and CRP but no answers yet.

[pistolpete]

Doing a quick reading http://www.gates.com/oreilly/tech_tips/PermeationResistantFuelLineHose.pdf and others you are fine, low pressure FI line is rated to 50psi and in the conditions you need.

[Graham]

I found that FCP sold a fuel line with number CRP 1149971882. They say it is rated for up to 215psig. Funny thing - the picture on their site is same hose that I bought.

Then, in pulling hose out of bag, I found an old parts picking tag. It said "1149971882-EC-5 - Made in Germany". Numerical part of that is the MB number on EPC for R/C107 injector hose (but they now sell a different number). The same sticker had newer Worldpac picking info stuck onto it. WP number was FHM 7.5x3. That doesn't show up anywhere.

MB changed the part number 3 times. Either standardizing parts or perhaps emission or ethanol related?

CRP are on to it. See what they say.

Thanks for reading.