Small Bore Firesafe Ball Valve
- Product series: Shoritsu FSB-2
- Size range: 15mm to 50mm (1/2″ to 2″)
- End connection: Flanged (ANSI RF)
- Pressure rating: ANSI CL150 / CL300
- Body material: Carbon steel (A216 WCB) / Stainless steel (CF8M)
- Ball & stem: Stainless steel (SS316)
- Primary seat: PTFE
- Secondary seat: Metal-to-metal (fire-safe)
- Packing: Graphite / PTFE
- Bore: Full bore / reduced bore
- Operation: Lever / gear operated / actuator-ready
- Fire test standard: API 607 / ISO 10497
- Design standard: API 6D / BS 5351
- Finish: Epoxy painted / electroless nickel plated
The Shoritsu FSB-2 Series is a two-piece, full bore firesafe ball valve designed for reliable isolation service in oil and gas, petrochemical, and industrial process applications where fire exposure risk demands certified valve performance. Constructed with metal-to-metal secondary seating, the FSB-2 maintains zero downstream leakage in the event primary soft seats are compromised under fire conditions, in full compliance with API 607 and ISO 10497 fire test requirements.
Features
- Certified firesafe performance to API 607 and ISO 10497, with metal-to-metal secondary seats maintaining effective sealing if primary PTFE seats are damaged or destroyed under fire conditions
- Two-piece body construction for straightforward maintenance and seat replacement without removing the valve from the pipeline
- Actuator-ready stem and ISO 5211 mounting pad compatible with pneumatic and electric actuators for automated on-off service
- Available in full bore and reduced bore configurations to match your pipeline sizing and pressure drop requirements
- Full documentation package including material mill certificates, pressure test records, and fire test certification supplied with every unit