Fisher Pressure Regulating Valve

pressure regulating
Valve designed to automatically provide a preset downstream pressure in a hydraulic system.

fisher
large dark brown North American arboreal carnivorous mammal
The fisher (Martes pennanti), also referred to as fisher cat, is a medium-sized mammal native to North America. It is closely related to but larger than the American Marten (Martes americana). Names derived from aboriginal languages include pekan, pequam, and wejack.
fisherman: someone whose occupation is catching fish
A fisherman
A large brown marten valued for its fur, found in North American woodland where it frequently preys on porcupines

valve
A cylindrical mechanism in a brass instrument that, when depressed or turned, admits air into different sections of tubing and so extends the range of available notes
A membranous fold in a hollow organ or tubular structure, such as a blood vessel or the digestive tract, that maintains the flow of the contents in one direction by closing in response to any pressure from reverse flow
control consisting of a mechanical device for controlling the flow of a fluid
A device for controlling the passage of fluid through a pipe or duct, esp. an automatic device allowing movement in one direction only
a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone