A normal industrial-grade stainless-steel valve contains a greatest working pressure of ~1000psi, whereas industrial brass valves are rated for ~600psi. The key water shutoff valve will always be located alongside your major water line. It could be indoors in the basement or crawlspace or in close proximity to your water https://1-ball-valve-brass37159.blog-a-story.com/10973927/a-review-of-brass-ball-valve-1-2-inch