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2. Hand pump - Wikipedia

   en.wikipedia.org/wiki/Hand_pump

   There are many different types of hand pump available, mainly operating on a piston, diaphragm or rotary vane principle with a check valve on the entry and exit ports to the chamber operating in opposing directions. Most hand pumps are either piston pumps or plunger pumps, and are positive displacement. [1]

3. Sprayer - Wikipedia

   en.wikipedia.org/wiki/Sprayer

   The sprayer pump can be just as important as the sprayer type itself as there are many sprayer pump design types with various construction materials, inlet/outlet sizes, and performance specifications. Common sprayer pump types include diaphragm, centrifugal, and roller pumps. [3]

4. India Mark II - Wikipedia

   en.wikipedia.org/wiki/India_Mark_II

   A typical Mark II hand pump in India. The pump was designed in the 1970s in a joint effort between the Government of India, UNICEF, and The World Health Organization (WHO) to address the severe drought and a water shortage affecting India during that period and to prevent evacuation of villages to refugee camps. Prior to the pump's design, poor ...

5. Stirrup pump - Wikipedia

   en.wikipedia.org/wiki/Stirrup_pump

   Fireguard on the roof of a building London 1941. A stirrup pump is a portable reciprocating water pump used to extinguish or control small fires. [1] It is operated by hand. The operator places a foot on a stirrup-like bracket at the bottom of the pump to hold the pump steady, the bottom of the suction cylinder is placed inside a bucket of wat

6. Drum pump - Wikipedia

   en.wikipedia.org/wiki/Drum_pump

   Drum pump, barrel pump, and transfer pump refer to pumps that are used to empty barrels, tanks, IBCs and drums. [1] Many liquids used on manufacturing and processing plants are delivered in 100 or 200 litre barrels and are too heavy to tip to empty the liquids inside. Drum pumps range from simple siphon based devices to sophisticated highly ...

7. Spray nozzle - Wikipedia

   en.wikipedia.org/wiki/Spray_nozzle

   The impingement surface can be formed in a spiral to yield a spiral shaped sheet approximating a full cone spray pattern or a hollow-cone spray pattern. [4] The spiral design generally produces a smaller drop size than pressure swirl type nozzle design, for a given pressure and flow rate. This design is clog resistant due to the large free passage.