Profile: Simplex Steel Industries provides all kinds of pipe fittings like elbow, bends, equal & unequal tees, stub ends, eccentric & concentric reducers and caps. We are an ISO 9001:2008 certified company. Our products are made using various grades of stainless steel, carbon steel and alloy steel. Pipe end caps are manufactured in all standard dimensions. Pipe end caps are tested and verified for durability, accuracy & precision. The main purpose of using pipe caps is to waterproof the connections.