Home > Product > Ball Valve > Certifications & Approvals > Fire-Safe Ball Valve
In high-risk industries like oil & gas, petrochemicals, power, and refineries, valve failure during fire exposure can be catastrophic. That’s where a Fire-Safe Ball Valve comes in.
At Perfect Engineers, we manufacture certified fire-safe ball valves designed to maintain a secondary metal-to-metal seal in the event of fire—ensuring leak-tight shut-off even when soft seats are destroyed by extreme heat. Our valves are tested to API 607, ISO 10497, and are ideal for flammable, toxic, and high-temperature media.
A Fire-Safe Ball Valve is a specially constructed valve designed to maintain pressure integrity and sealing during or after exposure to fire. While standard ball valves rely on PTFE or RPTFE seats, fire-safe valves have a secondary metal sealing mechanism that engages when soft seats burn out.
The purpose is to:
| Parameter | Specification |
|---|---|
| Size Range | ½” to 24” |
| Pressure Rating | PN16 to PN160 / Class 150 to Class 2500 |
| Body Materials | WCB, CF8M, SS304, SS316, LCB, A105 |
| Seat Materials | RPTFE, Graphite, Metal |
| Fire Test Standards | API 607 (latest ed.), ISO 10497 |
| End Connections | Flanged, Butt Weld, Threaded, Socket Weld |
| Automation | ISO 5211 Mounting Pad – Electric / Pneumatic |
| Fireproof Accessories | Graphite seals, fire barriers, vent plugs |
| Feature | Floating Ball Valve | Trunnion Mounted Ball Valve |
|---|---|---|
| Size Range | ½” to 6” | 2” and above |
| Pressure Handling | Medium | High |
| Seat Sealing Mechanism | Ball pushes against seat | Spring-loaded seats to ball |
| Fire-Safe Design Support | ✅ Available | ✅ Available |
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www.perfectqrc.com
No. Only valves tested and certified to API 607 / ISO 10497 are considered fire-safe.
Yes. All fire-safe valves from Perfect Engineers are ISO 5211 compatible and actuator-ready.
Fire-safe = valve continues to seal under fire.
Fireproof = valve body materials can resist external flame for a period.
Graphite is used for fire-resistant stem packing and body seals.
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