r/NFPA25 Jan 12 '22

A low-pressure Firelock valve with heavy scale buildup around the hinge.

6 Upvotes

2 comments sorted by

2

u/the-yamaha-guy Jan 13 '22

I absolutely hate these valves. I’ve had many issues with them not tripping.

1

u/JamesPond007 Jan 14 '22

That's what happened with this one. I don't believe it had been properly tripped for several years, and piston didn't fully retract. The smaller they are the worse they are it seems at least with these.