1/2"*4" Lever operation,6"**0" Optional gear operation
Manufacturing to NACE MR***5 and MR***3 on request
Specifications
Basic Design:API6D,ANSI B*6.*4,BS ***1
Face to Face:ANSI B*6.*0
End Flanged:ANSI B*6.5
Test and llnspection:API***8,B*6.*4
Fire-safe Design/Test:API**7