Cast Steel Gate Valves

with fixed handwheels and rising stems

Gate Valve DESIGN FEATURES
Universal Trim: 13Cr stem, wedge in CA 15 or 13Cr faced and stellited seat. API Trim 8# suitable for applications up to 454.

Seat face: Stellited, ground and lapped to a mirror finish.

Flexible Wedge: with low center stem-wedge contact in solid CA15(13Cr)or hardface with 13Cr, SS316, monel or stellited. Wedge is ground and lapped to a mirror finish and tightly guided to prevent dragging and seat damage. A stellite 6 hardfaced CF8M wedge is also available.

Non-rotating Stem: with precision Acme threads and burnished finish. Double Acme for faster operation.

Body and Bonnet: castings are precision machined. One-piece bonnet up to 12"(300mm)for better alignment and fewer parts.

Gland: has two-piece construction for easy alignment.

Flanges: Classes 150-300:1/6" raised face.

Classes 600-1500: 1/4" raised face. Finish 125-250 AARH for all valves.

Rotating Stem nut: is austenitic ductil iron Gr D-2C renewable in line. Thrust bearings are supplied as follows:
150-300Lb:10-12"(250-300mm).
1 bearing(top) 16"(400mm) and up 2 bearings 600Lb:6"(150mm) and up 900-1500Lb:6"(150mm)and upwards.

Custom sizes are available on request.
Contact alan@upwey.com for further information or use our direct contact form