The 1711HD features a high pressure bar stock body with a union bonnet, with an oversized stem and extra heavy duty guided innervalve 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 nonstainless actuator components are standard.
Designed for tight sealing, long life and easy maintenance.
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.
- Interchangeable Trim Sets
- Heavy duty union bonnet
- Different trim characteristics available (linear, equal percent, quick open or double taper)
- TFE chevron packing
- Stellite inlaid innervalves
- ANSI Class IV shutoff