The A-T Controls M Series metal seat ball valve is designed for use in severe services such as high temperature, high pressure, and abrasive fluids found in Oil & Gas, Petroleum, Petrochemical, Chemical, Power Generation, Pulp & Paper, and Mining industries.
Unidirectional (FMU) or bidirectional (FMB) shutoff options available.
Scraper Seat Design (FMS) for heavy slurry suck as in the pulp & paper industry.
Precise CNC machining enables the ball and seats to seal tightly, offering superior shutoff. (Standard Class V, Class VI is optional).
ANSI Class 600 wall thickness design
Blowout proof stem
A-T FMU / FMB / FMS Series Floating Ball Valve Specifications:
Maximum Temperature (C)
Minimum Temperature (C)
Pressure Nominal to (bar)
- Shutoff Class
Standard Class V, Class VI is optional
- Flange Standard (Drilling)
- Body Material
ASTM A216 GRADE WCB, ASTM A351 GRADE CF8M
- Other parts' material
Seat: Stellite® Inlay SST TC Coated SST CrC Coated SST Inconel® 718 SST I Stem: 17-4PH® XM-19 Duplex 2205 Inconel® 718 I Stem Area: Blowout proof design Anti-static design
- Ball material
Stainless Steel HCr Coated SST TC Coated SST CrC Coated SST
See full specifications