Apparatus and method for slack flow elimination in a slurry pipe

Backwater tank for a building connected to a vacuum drain facili

Controlled pressure sewer system

Culvert of vacuum sewerage

Deep water gas storage system

Device for hybrid riser for the sub-sea transportation of petrol

Dry hydrant

Dry hydrant siphon assembly

Fail-safe gate valve with separated actuators

Flow system with pressure level responsive air admission control

Foot valve assembly for lake and river water intake

Gasoline station installation

Hose storage and supply apparatus

Multi-pressure, single line supply system

Process for feeding gas stored in a cavern storage facility into

Riser pipe for pivotally attached structure used to extract petr

Safety valves and control apparatus for underground storage faci

Seabed located storage

Subsea control pod valve assembly

Subsea petroleum products storage system