Self-closing gate valve system and external self-closing actuato
Self-contained rupture disk cartridge
Self-positioning rupture disk assembly
Sensing valve for automatic shutoff when a substance is present
Separable and breakaway valve interconnecting a fluid line
Shear mechanism for backpressure relief in a choke valve
Shear pin relief valve
Shear valve
Shear valve
Shipping cap for evacuation valve
Shut-off actuator with gas generation device
Shut-off valve for a sprinkler head
Shut-off valve usable in an improved packaging system for a ster
Shutoff valve for fuel truck or tanker drain off downspouts
Single operation normally closed coupling valve
Sleeve valve
Slow close hydrant check valve
Snap action pressure relief valve with over pressure indicator
Snap-off plug valve
Socket assembly with fusible element