FUSIBLE LINK BALL VALVE (THREADED)

Fire safe, fusible link ball valve, NPT, (National Pipe Thread) threaded. Available in stainless steel or carbon steel from sizes 1/4″ — 3″. All ball valves are API fire safe approved.


 

Series FS-10 (Threaded/NPT Fire Safe Ball Valve)

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 from 1/4″ — 3″
  • Heavy duty soldering
  • Fusible links are FM approved from 165F — 300F
  • All ball valves are API fire safe approved.
  • Valves can be configured to normally open
  • Valves can also be configured to normally closed
  • Valves are threaded, NPT (National Pipe Thread)
  • Fusible link ball valves can be used (both for open and close) in manual mode
  • *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)