1. Pressure rating : ASME Class 150 to 4500
2. Size : 1/2" to 6"
3. Material
- Carbon steel
- Low alloy steel including ASTM A182-F91
- Austenitic stainless steel
- Special alloy steel
4. Bonnet type
- Bolted type bonnet
- Non-bonnet type bonnet
- Pressure seal type bonnet
- Seal welded type bonnet
5. Disk type
- Quick opening type disk
- Throttle type disk
- Special fluid control disk
6. Option : Y-pattern type, Electric/Pneumatic operator, Bellow seal, Extension stem, Limit switch, Locking device, Position indicator, Stem protector, etc.