[PSUBS-MAILIST] Lights

[Alan James via Personal_Submersibles]

Just downloaded the Sea Technologies buyers guide,
Sea Tech Buyers Guide - 2014

 
   Sea Tech Buyers Guide - 2014
The Sea Technology Buyers Guide/Directory is the only complete directory serving the ocean/marine/offshore communit...  
View on stbuyersguide.epubxp.com Preview by Yahoo  
One of the companies I looked at was an underwater housing manufacturer called Prevco.
Their alluminium housings are anodized & all housings have a double piston seal as a standard configuration.
Some even have two face seals & two piston seals. Great to know how the experts do it.
http://prevco.com/products/subsea-housings/seal-configuration

Alan


________________________________
 From: Alec Smyth via Personal_Submersibles <personal_submersibles at psubs.org>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
Sent: Wednesday, May 14, 2014 8:26 AM
Subject: Re: [PSUBS-MAILIST] Lights
 


The Trustfire lights are anodized aluminum and the Buyers lights are powder coated aluminum. The powder coating gives the impression of being considerably more rugged, but we shall see in real life I suppose. 




On Tue, May 13, 2014 at 2:17 PM, via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

Alec:
>
>Are the housings made of Aluminum or Magnesium that would explain the white spots. Both are near the bottom of the galvanic  scale with zinc being the most sacrificial.
>
>John K.
>(203) 414-1000
>Sent via BlackBerry by AT&T
>
>
>-----Original Message-----
>From: Alec Smyth via Personal_Submersibles <personal_submersibles at psubs.org>
>Sender: Personal_Submersibles <personal_submersibles-bounces at psubs.org>
>Date: Tue, 13 May 2014 11:08:51
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