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How heat resistant are silicone couplers?

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Old 07-26-2006, 07:06 PM
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Default How heat resistant are silicone couplers?



This is what happens with an open dump onto a shitty Homeboydepot coupler. I went out and bought a silicone one to replace it, but I'm fabbing up my dumptube before I put it on.

As you can somewhat discern from the picture, space is a little tight. My ext. WG is point at a 45 degree angle towards that coupler, and the best I can do is have the dumptube rest on the coupler.

I'm curious as to whether or not anybody's dealt with an issue like this, or if anyone has any suggestions.
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Old 07-26-2006, 07:36 PM
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Default Re: How heat resistant are silicone couplers?

must have smelled nice n that homedepot ---- isnt hmt rated
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Old 07-26-2006, 07:55 PM
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Default Re: How heat resistant are silicone couplers?

Yeah, it was delicious.
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Old 07-26-2006, 09:02 PM
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Default Re: How heat resistant are silicone couplers?

The silicone coupler should have much better heat resistand than the home chepot coupler. If the dump tube needs to touch the coupler i'd recomend some type of insulation.

1.that fiberglass exhaust wrap stuff...a couple layers of that will reduce heat on the coupler.

2. maybe some kind of reflective pipe wrap.

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Old 07-26-2006, 09:56 PM
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Default Re: How heat resistant are silicone couplers?

Originally Posted by absolutezroo
The silicone coupler should have much better heat resistand than the home chepot coupler. If the dump tube needs to touch the coupler i'd recomend some type of insulation.

1.that fiberglass exhaust wrap stuff...a couple layers of that will reduce heat on the coupler.

2. maybe some kind of reflective pipe wrap.

Yeah, when I made the post I wasn't thinking about wrapping the dump itself. I have some spare heat wrap in the basement, I think I'm just gonna wrap it and go.
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Old 07-26-2006, 10:01 PM
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Default Re: How heat resistant are silicone couplers?

the CDM couplers i work with can hold up to 300degree of radian heat
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Old 07-26-2006, 10:08 PM
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Default Re: How heat resistant are silicone couplers?

Hmmm, with wrap I'm confident it'll be ok.

Thanks though, I checked vibrants website and they had nothing listed as far as temps go.
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Old 07-28-2006, 12:09 AM
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Default Re: How heat resistant are silicone couplers?

y dont u just weld the pipe on the flange?
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Old 07-28-2006, 12:47 AM
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Default Re: How heat resistant are silicone couplers?

Originally Posted by 95_civic_lx
y dont u just weld the pipe on the flange?
Why don't you just read?

I fixed it today. Wrapped the dump tube in heat wrap and clocked the compressor so it's not touching anything anymore. I've got about an inch of clearance between the tube and coupler, should be fine.
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Old 07-28-2006, 01:27 AM
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Default Re: How heat resistant are silicone couplers?

good to hear that man.
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