Register free!


Reply
 
Thread Tools   Display Modes
  #11  
Old 08-14-2008, 07:06 AM
J.Gordon's Avatar
J.Gordon J.Gordon is offline
LawnSite Senior Member
 
Join Date: Apr 2003
Location: Missouri
Posts: 675
Just a word of caution, it can be very dangerous to pressurize containers with flammable liquid in them with compressed air.

Where I work if you are caught doing that you would be terminated on the spot.

The air can cause a static spark that could ignite the fuel with the proper air/fuel mixture.

Just something to think about.
__________________
Be Honest and Trustworthy and give thanks for all you have. Life is good.
Reply With Quote
  #12  
Old 08-14-2008, 07:35 AM
MarcSmith MarcSmith is offline
LawnSite Fanatic
 
Join Date: Jul 2004
Location: Washington DC
Posts: 7,242
I don't think a shopvac is quite capable of really "pressurizing" anything more than a few PSI... and the compressor trick is using the outgoing air from the compressor hose to create a venturi vaccum effect on the fuel line thus creating suction. so you are not pressurizing the fuel tank.
Reply With Quote
  #13  
Old 08-14-2008, 11:45 AM
J.Gordon's Avatar
J.Gordon J.Gordon is offline
LawnSite Senior Member
 
Join Date: Apr 2003
Location: Missouri
Posts: 675
What causes the static is the friction between the air and the conductor (pipe/hose) or liquid I believe, not so much as high pressure.

I donít have the data with me at this time but I will find it if needed.

I work with a lot of flammable liquids and my company actually monitors the amount of LELís/LFLís (Lower explosion limits/lower flammable limits) in there machines.

Get the right fuel/air mix then add a source of ignition, a lot of people could be hurt or worse.

Iím not blowing smoke about this, you may get by with it a 100 times but itís that 1 time that can change your life or end it.

You donít have to believe me but at least research it for your self to be on the safe side. Or I can find the data and get back to you. I am almost positive read it on some OSHA literature.

Our company has us do so much safety training its hard to remember when and where I read it. Old age I guess.

Take care!
__________________
Be Honest and Trustworthy and give thanks for all you have. Life is good.
Reply With Quote
  #14  
Old 08-14-2008, 12:14 PM
J.Gordon's Avatar
J.Gordon J.Gordon is offline
LawnSite Senior Member
 
Join Date: Apr 2003
Location: Missouri
Posts: 675
I just read that the fuel is the cause of the static when moving though the lines not the air. My bad but when you add the air thatís when you may create the proper air fuel mix.

Here is a link with some insight.

http://www.environmental.usace.army.mil/faq_geo.htm

Look under; What are safe practices for handling recovered flammable liquids, especially JP-4 and JP-8?

take care
__________________
Be Honest and Trustworthy and give thanks for all you have. Life is good.
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump





Powered by vBulletin® Version 3.8.6
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Copyright ©1998 - 2012, LawnSite.comô - Moose River Media
All times are GMT -4. The time now is 05:40 PM.

Page generated in 0.06973 seconds with 10 queries