CHECK VALVE

1. Pressure rating : ASME Class 150 to 4500
2. Size : 2-1/2" to 80"
3. Material
   - Carbon steel
   - Low alloy steel including ASTM A217-C12A
   - Austenitic stainless steel
   - Special alloy steel
4. Cover type
   - Bolted type cover including lip seal type
   - Pressure seal type bonnet
5. Disc type
   - Swing check type
   - Lift check type including Y-pattern type 
   - Tilting disk check type
   - Stop check valve type
6. Option : Pneumatic operator, By-pass line (w/valve), Limit switch, Balance weight, etc.