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FUSIBLE LINK BALL VALVE (FLANGED ANSI)

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.

Rating: 5/5

Five Stars

Manufacturer: Valtorc

Product Description, Dimensions and Specifications PDF

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.

Click here to learn more about our fire safety products.

FIRE SAFE FUSIBLE LINK PACKAGE WITH FM APPROVED FUSIBLE LINKS*

*Click here for our threaded fusible link (fire safe) ball valve series

  • 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 RatingMax. 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 RatingMax. 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)

WATCH OUR FUSIBLE LINK FIRE SAFE VALVE VIDEO:

FUSIBLE LINK INSTALLATION GUIDE

Fusible Link With Gearbox

  1. Remove the red safety link and disengage the gearbox to activate valves (armed).
  2. Fusible links should be changed annually.
  3. The valve can not be manually operated, it must remain open 100%
  4. Do not tighten nuts on to the fusible links.  Doing so could cause a malfunction
  5. Keep the red link handy for valve maintenance.

Fusible Link Without Gearbox

  1. Remove the red safety link after installation
  2. Fusible links should be changed annually.
  3. The valves can be manually operated.
  4. Do not tighten nuts on to the fusible links.  Doing so could cause a malfunction
  5. Keep the red link handy for valve maintenance.
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