The fittings quoted from your website are irrelevant for comparison of the fittings that we use. As well as the type of brass alloy as opposed to the type of SS alloy that is used, the brass fittings have thicker walls than the steel or stainless ones. These things are taken into consideration when the parts are designed so that they are safe for their intended purpose. You are making assumptions about a product that you don't even know the brand of, based on what you think you know about metallurgy.
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