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Subject: Re: [DCHAS-L] [external] [DCHAS-L] flood prevention question
Date: Friday, February 22, 2019 at 4:55:49 PM
Author: "Arvedson, Steve" <stephena**At_Symbol_Here**amgen.com> 		Next by Date:
Subject: Re: [DCHAS-L] flood prevention question
Date: Fri, 22 Feb 2019 23:43:11 +0000
Author: TILAK CHANDRA

From: Richard Palluzi <rpalluzi**At_Symbol_Here**VERIZON.NET>
Subject: Re: [DCHAS-L] flood prevention question
Date: Fri, 22 Feb 2019 16:57:15 -0600
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: 201902222257.x1MMvLc3017839**At_Symbol_Here**ppa04.princeton.edu


One of the better ways to secure a hose is to replace them with flexible hoses with compression fittings such as these sold by Swagelok. If it is glass then having a glassblower put on a ball joint and using a matching metal ball joint with a pipe thread is another improvement. Banning use of tygon or similar tubing on cooling water or recirculating lines is the best answer.  None of these are always feasible but you can greatly reduced the failure frequency.

Sent from my Verizon Wireless 4G LTE Droid
On Feb 22, 2019 3:15 PM, Melinda Box <melinda.box@GMAIL.COM> wrote:
Hi, all,

We recently had a flood due to an insecurely attached hose on a water-cooled condenser set up overnight.

So I am on the hunt for ways to reduce this risk, besides attaching the hose more securely.Ê I know there are recirculating system options, but I don't know what's suitable for overnight cooling.

All input welcome,
Thanks,
Melinda Box, M. Ed.
Organic Chemistry Lab Supervisor
Chem Dept Safety Officer
North Carolina State University
Department of Chemistry
FoxÊ 328
Tel: (919) 515-2537
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