Cast steel API 600 valves with industry-leading emissions, shutoff and repairability performance. Flexible wedge with low center stem-wedge contact, in solid CA15 (13Cr) or hardfaced with 13Cr, SS 316, Monel or CoCr alloy. Wedge is ground and lapped to a mirror finish and tightly guided to prevent dragging and seat damage. *Body and bonnet joint accurately machined. *Body and bonnet castings are precision machined. *One-piece bonnet for better alignment and fewer parts for Class 150 up to NPS 16 (DN 400). When handwheel is used, thrust bearings are supplied as follows: *ASME Classes 150–300: NPS 10–12 (DN 250–300), 1 bearing (top) *NPS 14 (DN 350) and up, two bearings *ASME Classes 600–1500: NPS 6 (DN 150) and up.
Universal trim: 13Cr stem, wedge in CA 15 or 13Cr faced, and CoCr alloy faced seat API Trim 8 suitable for applications up to 850°F (454°C).
Seat face CoCr alloy hardfaced, ground and lapped to a mirror finish.
A CoCr alloy hardfaced CF8M wedge is also available
Non-rotating stem with precision Acme threads and burnished finish.