API 607 Fire-Safe Ball Valve — RFQ Notes

Fire-safe is not automatic with Class 300 or Class 600. Call out API 607 / fire-safe, graphite packing, and secondary metal seat on the RFQ.

Typical BOQ: BALL VALVE CL300 RF WCB RPTFE FIRE SAFE DESIGN GEAR OPERATED.

FAQ

Is fire-safe the same as metal seat?

No — fire-safe usually keeps a soft seat for normal duty with a metal backup after fire.

Soft seat enough for hydrocarbon?

Only if the project fire graph does not require API 607.