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Gas springs for doors

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sstearns2(at)yahoo.com
Guest

Posted: Wed Feb 24, 2010 10:12 pm Post subject: Gas springs for doors

Hello all...

  

 I've been looking for a set of replacement gas springs for my 2-place and finally found them.  The company does not normally stock this size, but their canadian distributor has them in stock right now.  They're called Normont Systems, 1-800-465-3678.  They were just over $50 for a pair delivered.  Part number is NSE400V20CE.

  

 I'd recommend ordering a pair now as the minimum order is 100 if they don't have them in stock and they normally don't stock this part number according to the sales guy.

  

 Cheers,

 Scott

  

  



           [quote][b]

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bakerocb

Joined: 15 Jan 2006
Posts: 727
Location: FAIRFAX VA

Posted: Thu Feb 25, 2010 4:57 am Post subject: Gas springs for doors

2/25/2010



Hello All, You can also check out Guden gas springs here:



http://www.guden.com/control-dampers.aspx



They had what I needed and always sold to me in small quantities (two or 

four) when I phoned in my order.



'OC' Says: "The best investment we can make is the effort to gather and 

understand knowledge."



==========================================



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carolandlee(at)frontierne
Guest

Posted: Fri Feb 26, 2010 7:52 am Post subject: Gas springs for doors

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ftyoder(at)yoderbuilt.com
Guest

Posted: Fri Feb 26, 2010 4:31 pm Post subject: Gas springs for doors

I was having to replace the original Gas springs  every year or two. A fellow builder told me he recharged his. I found a piece of  steel pipe and two end caps and put a Schrader valve on one end. I put some  thick goo on the threads and filled it compressed air and checked it for  leaks, I found some leaks and tightened the  caps more, no leaks. I then filled the pipe with Nitrogen, from my brothers  bottle that he uses to fill the struts on his Bonanza. It worked great! I  haven't had to re fill them in the past three years.

  

 Tim N52TY

  

  

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bakerocb

Joined: 15 Jan 2006
Posts: 727
Location: FAIRFAX VA

Posted: Sun Feb 28, 2010 3:13 pm Post subject: Gas springs for doors

2/28/2010



Hello Tim, What did you do with the steel pipe filled with nitrogen?



What has this to do with the gas filled struts for holding open the KIS TR-1 

doors?



Please explain. Thanks.



'OC' Says: "The best investment we can make is the effort to gather and 

understand knowledge."



============================================



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mantafs(at)earthlink.net
Guest

Posted: Tue Mar 02, 2010 5:19 am Post subject: Gas springs for doors

Hello OC,



When they make gas struts they are not charged.  The seals for the struts are actually one way "valves".  They allow gas in but not out.  To charge a gas strut they just place them inside a pressure vessel then pump up the pressure to what ever charge they want in the gas strut.  This pressurized gas enters the gas strut so that the pressure is about the same.  When the pressure in the pressure vessel is then released the one way seal holds the charge inside the strut.  When your struts leak you can do the same to recharge them.  Of course nitrogen is better and you can maybe get a fill at a places that fills car tires with nitrogen.  But air will also work.



So just put the weak or dead gas strut into a section of capped pipe with a tire valve at one end and pump it up to what ever pressure you want.  Then release the pressure and open it up and you gas strut should be as good as new.



You can calculate the pressure you need based on the force you want and the estimated piston area.



Mark



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