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Old 03-28-2012, 03:36 PM   #1
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90 degree hose elbow source

I have to replace a 2 inch ID 90 degree rubber hose elbow on my raw water intake line as it is cracking. I ordered a new one from Defender but it is a wet exhaust elbow and now that I have it in my hands to examine, it appears to me to be much too thin walled (i.e. it might have a tendency to collapse). The old hose elbow is much thicker walled.

I have searched the Web high and low and can't find such a thick walled beast. Only thin walled wet exhaust elbows.

The elbow attaches to the raw water intake pipe on my Cummins B series, but a perusal of B series parts list does not show it so I don't think that it is a Cummins part.

Anyone have a source to point me to?

Thanks.
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Old 03-28-2012, 04:24 PM   #2
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90 degree hose elbow source

Is it wire reinforced?* If so it's probably OK for raw water intake.

Call a marine cummins dealer, join boatdiesel.com or hope someone here has a similar cummins.


-- Edited by psneeld on Wednesday 28th of March 2012 04:26:43 PM
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Old 03-28-2012, 04:38 PM   #3
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RE: 90 degree hose elbow source

Locally I deal with a wholesale place called Delta Rubber. They deal in anything rubber related that applies to commercial and industrial uses. Simple transfer hoses, flange, fittings etc to conveyor belts and such. Custom fabrication/duplication of parts is never a problem in any material you wish from simple rubber to custom lined 1 off stainless steel jacketed products.

Unless someone here has a ready supplier for what you wish I'd give it a try.

I'd search your local area and see if there is a similar place the local industrial users frequent. Explain the application and they will find the one you need in the appropriate compound. I've been amazed at some of the things we have taken to them and asked "can you find or build it?", and the counter man shrugged his shoulders and walked back and pulled one off the shelf.
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Old 03-28-2012, 04:53 PM   #4
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RE: 90 degree hose elbow source

Quote:
psneeld wrote:
Is it wire reinforced?* If so it's probably OK for raw water intake.

Call a marine cummins dealer, join boatdiesel.com or hope someone here has a similar cummins.



-- Edited by psneeld on Wednesday 28th of March 2012 04:26:43 PM
Not wire reinforced. Am a member of boatdiesel.com so I may ask over there. Thought someone here might have a quick answer. May still.
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Old 03-28-2012, 04:54 PM   #5
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RE: 90 degree hose elbow source

Quote:
CPseudonym wrote:
Locally I deal with a wholesale place called Delta Rubber. They deal in anything rubber related that applies to commercial and industrial uses. Simple transfer hoses, flange, fittings etc to conveyor belts and such. Custom fabrication/duplication of parts is never a problem in any material you wish from simple rubber to custom lined 1 off stainless steel jacketed products.

Unless someone here has a ready supplier for what you wish I'd give it a try.

I'd search your local area and see if there is a similar place the local industrial users frequent. Explain the application and they will find the one you need in the appropriate compound. I've been amazed at some of the things we have taken to them and asked "can you find or build it?", and the counter man shrugged his shoulders and walked back and pulled one off the shelf.
*May try them if I strike out on* a quick answer.
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Old 03-28-2012, 05:12 PM   #6
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RE: 90 degree hose elbow source

Hi David,
It should be possible to match the hose at an auto parts or truck parts store (this advice came from my diesel mechanic). You will probably need to shorten one or both ends of the hose,but getting the right bend in the right size is what matters. I have a hose made for a large Ford car engine, on the FWC side on an FL. It had an internal spring wire in the 90 degree bend (mild steel unfortunately) to ensure the bend retained its shape/bend, I toyed with removing it but decided to leave it in, it being immersed in coolant. BruceK
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Old 03-28-2012, 05:35 PM   #7
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RE: 90 degree hose elbow source

Quote:
BruceK wrote:
Hi David,
It should be possible to match the hose at an auto parts or truck parts store (this advice came from my diesel mechanic). You will probably need to shorten one or both ends of the hose,but getting the right bend in the right size is what matters. I have a hose made for a large Ford car engine, on the FWC side on an FL. It had an internal spring wire in the 90 degree bend (mild steel unfortunately) to ensure the bend retained its shape/bend, I toyed with removing it but decided to leave it in, it being immersed in coolant. BruceK
*Bruce. Good idea. I'll check at the local auto parts store.
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Old 03-30-2012, 08:36 AM   #8
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The raw water hose on my starboard Yanmar engine had a bronze elbow that stuck out into the minimal space between the engines. I found that one of the spare Yanmar hoses (arrow) provided a nice tight bend. It has fairly thick walls and shows no sign of collapsing at full revs despite being reinforced with thread, not wire.
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