Harris’ Flashguard® check valves with 9/16” – 18 connections are manufactured with the highest quality. The inner valve spring is made of stainless steel for long service life. The valves are 100% individually production tested and packaged immediately to assure cleanliness. The valves fully open using only ounces of pressure. If reverse flow starts, the valve closes immediately for total shut-off. Their high capacity is adequate for cutting 15 steel and for operating in the largest heating torches. They conform to OSHA regulations. This regulator outlet replacement type check valve for oxygen mounts on the regulator, replacing the outlet nipple.
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