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.