[modeleng] Re: Nitrile Balls

I stick with stainless, heard of too many people having trouble with higher 
pressures. OK for non return valves in pumps, seal very well, better than 
stainless.

Dave.

----- Original Message ----- 
From: "Clif Walker" <clif.gwr@xxxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Monday, March 16, 2009 10:42 AM
Subject: [modeleng] Re: Nitrile Balls


> Hi Pete and All,
>
>
> I stopped using Nitrile for this very reason as I found with any decent
> pressure they deformed and went into the pipe.
>
> Clif
> ----- Original Message ----- 
> From: "The Sheppard Residence" <psbr20252@xxxxxxxxxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Sunday, March 15, 2009 11:52 PM
> Subject: [modeleng] Nitrile Balls
>
>
>> All,
>>
>> On a couple of occasions recently I have had injectors fail, only to
>> find that when I dismantle the clack the nitrile ball is firmly wedged
>> in the seat.
>>
>> Now this size of nitrile ball has worked successfully for years
>> previously, so size isn't an issue!
>>
>> Has anyone else had this problem?  Should nitrile balls be changed on a
>> regular basis?
>>
>> Cheers
>>
>> Peter
>> Tinkerbell
>> Bagnall x 2
>>
>> MODEL ENGINEERING DISCUSSION LIST.
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>
>
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