seal
Seal for an underwater connector
Seal for irrigation valve
Seal pressure reduction system
Seal retainer for undersea hydraulic coupling
Seal rings for low loss flexible coupling of gas conduits
Seal with rigid stop ring
Sealed bulkhead fitting
Sealed joint and gasket therefor
Sealed joint having a socket
Sealing arrangement
Sealing arrangement for a coolant union having a floating seal a
Sealing element and a coupling device and a valve device...
Sealing system--anti collapse device
Sealing sytem--anti collapse device
Segmented pipe couplings employing T-bolts and improved...
Self-acting seal between adjacent pipe ends of a pressure vessel
Self-aligning coupling
Self-aligning permanent fitting
Self-aligning ring joint for joining concrete pipes having ends