Relief Valve Maintnenace Requirements

[Doug1234]

What are the requirements for testing or replacement of relief valves in refrigeration service. These are inline valves with NB stamps usually manufactured by Henry or Mueller?

[james10]

Henry recomonends replacing their valves every five years also the larger chiller manufactures state the same

[martinw58]

valves need to be relaced every five years

[allpro]

i have seen these valve last 10 years but, it needs to replace every 5

[martinw58]

insurance companys ask for them to be replaced every 5 years

[henrytech]

Hi guys
I work for Henry and keep a look out in this site for any issuse i can help with.

I have seen our valves last about 10yrs, BUT we recommend changing every 5 yrs. this is in line with EN13136 Refrig standards. Also note some isurance companies say to change every 3 yrs.