Perlick o-rings
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jtrainer
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OK a call to Perlick (duh should have done that second) and I learned:
425 faucets use 3 O-Rings 1/2" ID and 1/16 CS (Cross Section)
525 faucets us 2 O-Rings 1/2" ID and 1/16 CS (Cross Section) AND (line disconnected)
Hope this helps someone else...
425 faucets use 3 O-Rings 1/2" ID and 1/16 CS (Cross Section)
525 faucets us 2 O-Rings 1/2" ID and 1/16 CS (Cross Section) AND (line disconnected)
Hope this helps someone else...
So all of the O-Rings are the same then? Based on those specs it would seem that McMaster #9452K58 should fit the bill. Right?
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jtrainer
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Eric I think so. I'm going up to my local Tru-Value later to look for them.
For the 425 yes all three are the same unit, it's the 525's that have 2 different O-Rings.
I also realize I forgot to put the composition material is... N-7044
Material: O-Ring Composition N-7044 : 70 durometer nitrile, internally lubed with RTD's proprietary organic lubricant
Compound Details: N-7044 70 durometer nitrile, internally lubed with RTD's proprietary organic lubricant
Status: Non-Stock Compound
Colors:
Durometers:
Flags: FDA Internally Lubed
Essentially Buna-N available at bLowes or Dome Hepot or Ace or name it...
O-Ring composition compatible with Beer!
http://www.efunda.com/designstandards/oring/oring_chemical.cfm?SM=none&SC=Beer#mat
For the 425 yes all three are the same unit, it's the 525's that have 2 different O-Rings.
I also realize I forgot to put the composition material is... N-7044
Material: O-Ring Composition N-7044 : 70 durometer nitrile, internally lubed with RTD's proprietary organic lubricant
Compound Details: N-7044 70 durometer nitrile, internally lubed with RTD's proprietary organic lubricant
Status: Non-Stock Compound
Colors:
Durometers:
Flags: FDA Internally Lubed
Essentially Buna-N available at bLowes or Dome Hepot or Ace or name it...
O-Ring composition compatible with Beer!
http://www.efunda.com/designstandards/oring/oring_chemical.cfm?SM=none&SC=Beer#mat
Interesting. It would seem like Buna-N or a bunch of other things would work fine. ... FYI size is Dash Number 014.
Does anyone know the size for a Perlick 525 internal O-Ring?
Dash 202 is too small. Anyone needs some for there 425 faucets?
Perlick lists "O"-RING F/SANITARY FAUCET 1/2"ID X 1/16"CS COMP. N7044 as one of the two replacement o-rings but you have to spend $25 dollars to order from them how dumb.
http://www.perlick.com/store/webcatalog2.php?catno=1§no=1&grpno=3
Add part 425-8 to your cart to get the size listed (in the cart).
Maybe lowes or HD carries something close enough?
http://www.perlick.com/store/webcatalog2.php?catno=1§no=1&grpno=3
Add part 425-8 to your cart to get the size listed (in the cart).
Maybe lowes or HD carries something close enough?
MichaelBrock
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Brewerforlife
Well-Known Member
The o-rings are the same on the 400 & 500 series!!
Sent from my iPhone using Home Brew
The O-rings on either side of the faucet lever pivot are the same, but the O-ring at the spout end of a 525 is not the same as the O-ring at the plunger on the 425.
ie: While #5 equals #4, #8 does not equal #8...
Cheers!
Brewerforlife
Well-Known Member
Well said dude!!! lol 
MichaelBrock
Well-Known Member
@Brewerforlife: was that an answer to my question about the dimensions or McMaster-Carr part number for the seat o-ring? If so, I don't see that information in the images. Looks like Perlick part numbers.
Brewerforlife
Well-Known Member
Your right. I'll find out!! So your looking for the smaller front lever o-rings. I'm gonna be ordering out of my catalog soon!!! How many do you need!! I can hook you up!! pm me if your interested?? Cheers!!!
scootermsp
Well-Known Member
I have had great luck with a guy from Selkirk, NY that I found on eBay. I got full sets of O-rings for my Perlick 545PC faucets. You can do the paypal thing direct to him. He's fast and cheap. Also does Corny keg O-rings. Go find "anthonysauctions2" on eBay. He's top notch
StoneHands
Well-Known Member
milldoggy
Well-Known Member
Reviving an old one. Just got some 425's, can anyone validate these are the proper orings from mcmaster?
Shaft - http://www.mcmaster.com/#9452k183
Faucet and lever - http://www.mcmaster.com/#9452k58
Shaft - http://www.mcmaster.com/#9452k183
Faucet and lever - http://www.mcmaster.com/#9452k58
stan_b
Member
Since this is the first Google result when searching for Perlick o-ring sizes, I thought I'd toss this out for posterity.
For Perlick 525SS:
Lever o-rings are dash 014, McMaster # 9452K58
Front seal o-rings are dash 204, McMaster # 9452K338
I just reassembled all my 525SS's with these and, at between 10 and 14 PSI, no leaks. The dash 204's do appear smaller than the ones I took out, but the old ones could have been squashed as they were in service for 4 years.
HTH's someone!
For Perlick 525SS:
Lever o-rings are dash 014, McMaster # 9452K58
Front seal o-rings are dash 204, McMaster # 9452K338
I just reassembled all my 525SS's with these and, at between 10 and 14 PSI, no leaks. The dash 204's do appear smaller than the ones I took out, but the old ones could have been squashed as they were in service for 4 years.
HTH's someone!
