1. Used in chemical industry. 2. Pressure rating: 200PSI W. O. G(NON-SHOCK) 3. Steam rating: 150PSI WSP 4. Temperature range: +232 MAX 5. Investment cast body&bonnet(bolution-treated) 6. End type: Threaded BSP. NPT or ZG. G 7. Inside screw and screwed bonnet 8. Solid wedge disc 9. High performance and low cost