249234 ⎘
Fluid handling; Line condition change responsive valves; Direct response valves [i.e., check valve type]; Biased open Oppositely swinging vanes
Mechanical fuse to seal pipes upon unintended rupture
#2Mechanical fuse to seal pipes upon unintended rupture
#3Liquid blocking apparatus and system equipped with an alarm or wireless calling device and a storing bag
#4Normally open reverse flow flapper valve