Valves

Forged 



Casting 



Wrought or Fabricated

**0, **0, **0, **0, **0, ***0, ***0

American National Standards Institute (ANSI) 



American Petroleum Institute (API) 



American Society of Mechanical Engineers (ASME) 



American Society Non-Destructive Test (ASNT) 



National Association of Corrosion Engineers (NACE) 



British Standards Institute (BS) 



Canadian Standards Association 



International Organization for Standardization (ISO) 



Manufacturers Standardization Society (SP) 



American Water Works Association (AWWA) 



American Iron and Steel Institute (AISI)

Carbon Steel 



Cast Iron 



Chrome Molybdenum 



Stainless Steel 



(Special Alloys such as Hastelloy B and C, Monel, Nickel and Titanium) 



Duplex Steel 



Aluminum 



Bronze/Brass 



Copper 



Ductile Iron 



Gray Cast Iron 



Nodular Graphite Cast Iron



Material Standards



American Society for Testing and Materials (ASTM)