Rotary valve assembly having a dual purpose valve element
Rotary valve comprising a drawing device
Rotary valve for hydraulic power steering
Rotatable ball valve apparatus and method
Rotatable valve having upper and lower parts
Rotating disc gate valve
Rotor handling system for rotary valves
Saddle tap
Saddle tee
Saddle tee and tool for irrigation lines
Saddle tee for irrigation lines
Safety arrangement
Safety choke valve
Safety guard for orifice fitting device
Safety shut-off valve
Safety valve
Safety valve
Safety valve
Sanitary mixing valve
Sanitary pressure relief device