The DM Gate Valve, are solid gate, rising stem, gate valves with ... 5,000 psi in 2", 3", 4", 5" x 4" and 6" x 4" Valve Sizes Full Material Traceability Guaranteed Supplied with ... Full Certification at no extra charge 2. APPLICATIONS Oil and Gas lines Wellheads Manifolds ... brand gate valves(Interchangeable with Demco Model Gate Valve)