Plug Valves are used to control flow opena and close. valve bodies are die-forged from premium alloy steel and heat treated to ensure the strength. plugs and seal segments are machined from heat treated alloy steel with special surface treatment to ensure reliable sealing capacity. Compact structure, easy operation and maintenance. Union connections on both ends. Available with manual, handwheel and hydraulic actuators with limiter switches. Valves can be serviced without removing from the line. Plug valves for standard service range are available in 1 " to 4 " bore sizes and 6,000psi to 20,000psi rated pressure. We has also developed plug valves for H2S service in accordance with NACE MR0175 criteria with 1 " to 4 " bore sizes and 10,000psi to 15,000psi rated pressure. JASON provides a customized design to meet each customers unique requirements. Recommended service: Fracturing, cementing,acidizing and testing lines;