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2. Hand pump - Wikipedia

   en.wikipedia.org/wiki/Hand_pump

   Suction is the vertical distance between the fluid to be pumped and the centre of the pump, while lift is the vertical distance between the pump and the delivery point. [4] The depth from which a hand pump will suck is limited by atmospheric pressure to an operating depth of less than 7 meters. [ 5 ]

3. Centrifugal pump - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_pump

   This pump type operates without a foot valve and without an evacuation device on the suction side. The pump has to be primed with the fluid to be handled prior to commissioning. Two-phase mixture is pumped until the suction line has been evacuated and the fluid level has been pushed into the front suction intake chamber by atmospheric pressure.

4. Net positive suction head - Wikipedia

   en.wikipedia.org/wiki/Net_positive_suction_head

   If an NPSH A is say 10 bar then the pump you are using will deliver exactly 10 bar more over the entire operational curve of a pump than its listed operational curve. Example: A pump with a max. pressure head of 8 bar (80 metres) will actually run at 18 bar if the NPSH A is 10 bar. i.e.: 8 bar (pump curve) plus 10 bar NPSH A = 18 bar.

5. Oil pump (internal combustion engine) - Wikipedia

   en.wikipedia.org/wiki/Oil_pump_(internal...

   The oil pump forces the motor oil through the passages in the engine to properly distribute oil to different engine components. In a common oiling system, oil is drawn out of the oil sump (oil pan, in US English) through a wire mesh strainer that removes some of the larger pieces of debris from the oil.

6. Screwfix - Wikipedia

   en.wikipedia.org/wiki/Screwfix

   Screwfix Direct Limited, trading as Screwfix, is a retailer of trade tools, accessories and hardware products based in the United Kingdom. [6] Founded in 1979 as the Woodscrew Supply Company, the company was acquired in July 1999 by Kingfisher plc , which also owns B&Q , and is listed on the London Stock Exchange .

7. Plunger pump - Wikipedia

   en.wikipedia.org/wiki/Plunger_pump

   The power needed from the drive is proportional to the pressure and capacity of the pump. [1] Seals are an integral part of piston pumps and plunger pumps to separate the power fluid from the medium that is being pumped. A stuffing box or packing is used to seal the joint between the vessel where the medium is transferred and the plunger or ...