Scored reverse buckling rupture disc assembly
Scupper device
Scuttle valve
Sealing device for a valve
Sealing member for valve stems
Self-closing breakaway valve assembly including improved valve m
Self-closing breakaway valve assembly including improved valve m
Self-closing fire damper for duct
Self-closing gas pipes and pipe joints
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