Forged steel ball valve 
 First, the standard forged steel ball valve 
 1, according to the design and manufacturing standards: BS5351 MSS SP-118; 
 2, the connector according to: 
 1) Socket welding according to: ANSI B16.11; JB/T1751 
 2) The thread ends conform to: ANSI B16.11; JB/T1751 
 3) Butt end according to: ANSI B16.25; JB/T12224 
 4) Flanged ends conform to: ANSI B16.5; JB79 
 3 Test and inspection: API 598; GB/T13927; JB/T9092 
 4, structural features: three-piece bolted 
 5, Materials conform to: ANSI / ASTM 
 6, the main body material: A105; LF2; F304 (L); F316 (L); F51 


 Forged steel valve forged steel ball valve structure 

 Second, the forged steel ball valve Material of main parts 
 No. Part Name Material 
 1 Body A105 A304 
 2 seals APTFE & PEEK 
 3 ball F6 F304 
 Stem 410 304 4 
 5 O-ring VITON 
 6 PTFE gasket 
 7 bolts B7 B8 
 8 nut 2H 8 
 Thin nut 8 9