... service in pressure, flow, and temperature control applications. This compact carbon steel control valve is positioned to take advantage of the ... , resulting in lower long-term operating costs.Control valve features:1.Using the balancing valve core structure , little axial unbalanced force, ... 1Leakage levelHard-sealing IV level, Soft-sealing VIFlange sizeConform with JB/79.1(2)-94,HG20592-97,GB,ANSI, ...