Profile: Strataflo Products, Inc. is the provider of brass check and brass foot valves. Check valves are usually a simple mechanical valve that permits a gas, liquid or powder to flow in a single direction and restricting its reverse flow. Our strainer consists of a helical wound stainless steel spring wire. Our fully-formed poppet is molded with either Buna N, Buna S or EPD around a steel insert to reinforce its shape