Specifications:

•  API 6A, API 6D, B16.34 and Non Standrard Design
•  Nominal Sizes (API 6A): 2 1/16", 4 1/16", 7 1/16", 9"
•  Nominal Sizes (ASME B16.5): 2~16"
  
  

     Rating: API 6A: #3000, #5000, #10000 , ASME      

     Class: 300, 600, 900, 1500