The U.S. Type 1711HD High-Pressure Severe Service Control valve has a working pressure of up to 10,000 psi (689 bar). The 1711HD
features a high-pressure bar stock body with a union bonnet. This unit features an oversized stem and extra heavy-duty guided inner valve for added strength and longevity. The stem packing is designed for tight sealing, long life, and easy maintenance. The union bonnet with a graphite gasket provides excellent sealing without having bonnet threads in contact with the process fluid. The multi-spring, field adjustable 35 square-inch, diaphragm actuator can be either ATO or ATC action. Maximum corrosion protection on all non-stainless actuator components is standard.
The valve has performed in some of the most extreme environments in the world. Tough applications within the chemical and the oil and gas markets is where you can find this valve.