Drop-proof and dust-proof device in rotary operation section of
Dry gas seal
Dry gas shutdown seal
Dry slip ring seal having independent cooling loops
Dual chamber sealing element with hardening filler
Dual channel rotary union
Dual compression seal for conduits with compliance to both axial
Dual diameter valve stem packing
Dual element seals with hydrodynamic support
Dual face seal clean barrier fluid and dynamic pressure control
Dual face seal with radially projecting annular disc
Dual function gasket with dual lips and optional locking ring
Dual function sealing gasket
Dual groove seal
Dual labyrinth fluid seal with fluid slinger
Dual lip seal and method of forming the seal
Dual lip seal device
Dual material lip-type seal
Dual non-contacting mechanical face seal having concentric seal
Dual non-contacting mechanical face seal having concentric...