A crank is an arm attached at a right angle to a rotating shaft by which reciprocating motion is imparted to or received from the shaft.
A piston pump is a type of positive displacement pump where the high-pressure seal reciprocates with the piston.
A pump is a device that moves fluids (liquids or gases), or sometimes slurries, by mechanical action.
Reciprocating motion, also called reciprocation, is a repetitive up-and-down or back-and-forth linear motion.
Sir Samuel Morland, 1st Baronet (1625 – 30 December 1695), or Moreland, was an English academic, diplomat, spy, inventor and mathematician of the 17th century, a polymath credited with early developments in relation to computing, hydraulics and steam power.
In metallurgy, stainless steel, also known as inox steel or inox from French inoxydable (inoxidizable), is a steel alloy with a minimum of 10.5% chromium content by mass.
A steam engine is a heat engine that performs mechanical work using steam as its working fluid.
A stuffing box is an assembly which is used to house a gland seal.
A valve is a device that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways.