The Mud Gate Valve, with superior design features precision workmanship and a proven principle are engineered to meet the harsh drilling requirements in today's oilfield. Lake Mud Gate Valve is equivalent to OTECO model 72 series, easy operation, tight shut offs, long service life before overhaul. This assures simple, fast, low cost renewal in the field. Specifications: Size: 2", 3", 4", 4 x 5 Working Pressure: 2000psi, 3000psi, 5000psi Working Temperature: -46°C ~ +240°C Connections: LP Threaded, Butt-weld, Flanged, Union Available Working Medium: Sour Gas, Water Flood Valve body protected by oil and abrasion resistant long life rubber seals Full rising, one piece forged gate & stem, shows at a glance if valve is open, partly open or closed. Application: Mud pump line, standpipe manifolds, oil and gas pipelines, abrasive drilling mud system, corrosive water flood lines, cementing services, wellheads, and well treating chemicals.