DM GATE VALVE (Interchangeable with Demco® Model DM Gate Valve) DM GATE VALVE (Interchangeable with Demco® Model DM Gate Valve) The DM Gate Valve, are solid gate, rising stem, gate valves with resilient seals. They are purpose made for mud, cement, fracturing and water service and are easy to operate and simple to maintain. The DM Gate Valve, with superior design features precision workmanship and aproven principle are engineered to meet the harsh drilling requirements in todayâs oilfield. 2â FULL PORT 3000psi & 5000 psi WP 3â FULL PORT 3000psi & 5000 psi WP 4â FULL PORT 5000 psi WP 4â FULL PORT 3000psi WP CONTCT : VALVEVENDOR@GMAIL.COM