ANSI flanged fire safe, fusible link ball valve in carbon steel. Available in sizes from 1/4″ to 4″ with FM approved fusible links. All fusible link valves are API approved and made in the USA.
Series FS-20 (Fire Safe, Flanged End Ball Valve)
Flanged fire safe, fusible link ball valves are a great way to protect a valve line that is exposed to extreme heat. With automatic shut off once the FM approved links are broke, the valve will close without human assistance. All fusible links are FM approved and all valves are API fire safe approved.
FIRE SAFE FUSIBLE LINK PACKAGE WITH FM APPROVED FUSIBLE LINKS*
- Valves available in sizes of 1/4″ – 4″
- Temperature range from 165F – 286F
- ANSI flanged configurations
- API fire safe approval
- Fusible links are FM approved
- Valve can be configured for normally open as well as normally closed positions
- Valve is default configured to close in case of fire or explosion
- Good for nuclear, oil and gas industries.
- *FM approval on actual links only.
TEMPERATURE RATINGS (FM APPROVED AND STANDARD LINKS)
| FM Approved Links: | |
| Issue C Temperature Rating | Max. Allowable Temperature Exposure |
| 135° F (57° C) | 100° F (36° C) |
| 165° F (74° C) | 100° F (38° C) |
| 212° F (100° C) | 150° F (66° C) |
| 286° F (141° C) | 225° F (107° C) |
| 360° F (162° C) | 300° F (149° C) |
| 500° F (260° C) | 475° F (246° C) |
| Non FM Approved Links: | |
| Issue C Temperature Rating | Max. Allowable Temperature Exposure |
| 135° F (57° C) | 100° F (36° C) |
| 165° F (74° C) | 100° F (38° C) |
| 212° F (100° C) | 150° F (66° C) |
| 286° F (141° C) | 225° F (107° C) |
| 360° F (162° C) | 300° F (149° C) |
| 536° F (280° C) | 475° F (246° C) |
