Features lnclude：    

Carbon steel Swing Check Valves    

1"to 3"Size Range    

1”-2” Carbon Steel: (300 – 5000 WOG pressure range)  2”-Longbody, 3” Carbon Steel: (300 – 3600 WOG pressure range)
Full Opening    

Threaded ends to ANSI B1.20.1(NPT)    

NACE MR0175