Annular suction valve

Apparatus and method for energy conversion of pressurized fluid

Apparatus and process for operating jet pump from which a drivin

Apparatus for adding emulsifier to a fluid

Apparatus for an air lift and transfer pump

Apparatus for continuous pressure feeding of slurry

Apparatus for continuously pressure-feeding slurry

Apparatus for delivering fuel from a tank to an internal...

Apparatus for elevating liquids including a pair of Venturi pipe

Apparatus for elevating liquids including a Venturi pipe and a l

Apparatus for metering flowable materials in sand core making ma

Apparatus for removing dust from aeriform substances

Apparatus for returning condensate

Apparatus for the long distance conveying of liquids mixed with

Apparatus for vacuum absorption having reverse flow protection m

Apparatus for vacuum absorption with bypass passage reverse flow

Apparatus for vacuum absorption with retracting reverse flow pro

Aquarium pump and cleaning system

Arrangement for elevating liquid by use of solar and/or wind ene

Arrangement for facilitating the start-up of not self-priming ce