Series FSB-35
Hot Products
Fire Safe Direct Mount 3-Piece Ball Valve
The FSB 35 fire-safe ball valve is engineered for zero leakage under extreme conditions, delivering bubble-tight sealing even during fire exposure. Built with CF8M, CF8, or WCB bodies and rated up to 2000 psi, it features dual sealing rings, graphite fire-safe backup, an anti-static stem, and reinforced body bolts for maximum safety. Available in threaded, socket-weld, and butt-weld ends, it is fully certified to API 607 for trusted performance in critical applications.
Specification
Body Material：ASTM CF8M, CF8, WCB (DIN 1.4408, 1.4308, 1.0619)
Size Range：1/4”~4” (DN8~DN100)
Pressure Rating：2000 psi (138 bar)；150 psi (10 bar) with saturation steam
End Connection：
Female threaded to NPT, DIN 259/2999, and BS standards
Butt-welding ends Sch80
Socket-welding ends
API 607 4th Edition Fire-Safe Test approved.
Size Range：1/4”~4” (DN8~DN100)
Pressure Rating：2000 psi (138 bar)；150 psi (10 bar) with saturation steam
End Connection：
Female threaded to NPT, DIN 259/2999, and BS standards
Butt-welding ends Sch80
Socket-welding ends
API 607 4th Edition Fire-Safe Test approved.
Features
1. ISO 5211 Direct mounting of actuators to valves
2. Self-adjusting stem packing assembly with Belleville spring for temperature fluctuations, vibration and is secured by a saddle type lock washer
3. Blowout-Proof Stem, inserted from inside the body bore
4. Anti-Static Device in the ball bore, providing a grounding path between the valve body and the ball for static electric charges.
5. Body Bolts: FSB 35 ball valves use eight strong body bolts to secure connections between center piece and two side caps.
For larger sizes, twelve body bolts are used.
2. Self-adjusting stem packing assembly with Belleville spring for temperature fluctuations, vibration and is secured by a saddle type lock washer
3. Blowout-Proof Stem, inserted from inside the body bore
4. Anti-Static Device in the ball bore, providing a grounding path between the valve body and the ball for static electric charges.
5. Body Bolts: FSB 35 ball valves use eight strong body bolts to secure connections between center piece and two side caps.
For larger sizes, twelve body bolts are used.
Safety/Quality Approvals
Female pipe Threaded to NPT, DIN 259/2999, BS21..
Inspection & testing according to API 598.
API 607 4th Edition Fire-Safe Test approved.
ISO 9001; PED 2014/68/EU
Inspection & testing according to API 598.
API 607 4th Edition Fire-Safe Test approved.
ISO 9001; PED 2014/68/EU
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