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Originally Posted by RayCJ FWIW, I doubt there there's any lubricant on those reed blocks. Look at a brand new set and analyze them very carefully. I'll bet they have a bowed shape on one side -ever so subtle. As they wear out and change shape, they fail. We have dismantled numerous brand new...

Thank you for your welcome and replies. I understand and agree with the rules re oils and O rings for 3,000 PSI bottles and regulators etc, but to make a long story short I've serviced these machines for decades, there is no risk whatsoever in re-lubricating the valves. There is a far greater...

Hello from New Zealand :-) We service about 300 medical oxygen concentrators and I'm wondering if someone can recommend a grease or lubricant for the valve block used in the oxygen concentrators. This is the type of concentrator...