AIS Compliant Valves

AIS Compliant Valves

MadeRight.Here in America

AIS Compliant, Buy America, Buy American Cast Valves

Ladish Valves, alongside sister companies Smith Valves, Penn Machine, and Western Forge & Flange are proud to manufacture valves, fittings, and flanges that comply with the American Iron and Steel (AIS) Act.

  • As a Houston, TX based manufacturer, Ladish valves manufactured in the USA can meet AIS (American Iron & Steel Act) requirements. We maintain a network of US-based vendors that provide AIS compliant castings & components.
  • PLEASE NOTE: To ensure AIS documentation is appropriately captured and maintained throughout the manufacturing process, AIS requirements (along with any other regulatory requirements) must be specified at the time of quotation, and when orders are placed with Ladish Valves. When AIS valve products are ordered, Ladish will provide a certification letter that meets EPA requirements as well as certified MTRs.
  • For more information on fittings, please visit
  • For more information on flanges, please visit

Request a Quote

281.880.8560 or 866-523-4740

7603 Bluff Point Dr. Houston, TX 77086, United States



We are excited to announce that effective November 1, 2020 we have purchased the trademarks and all assets related to Smith Valves & Diamond Gear from CNC Flow Control!