Device which is used to clean unwanted coatings from wood, masonry, etc. by shooting water out of a nozzle at 2000 to 4000 psig. A nozzle is connected, by a high pressure rated hose, to the pump, which raises the pressure 50 to 100 times higher than the pressure from a water main.
Water blasting
Cleaning a surface by using the high water pressure water blaster.
Water chiller
Water cooling method, used to cool drinking fountain and cooling system heat exchangers which cool air, by passing it over tubes which contain a refrigerant.
Water closet
Term used for a toilet, which is a fixture that receives human waste and flushes it into the plumbing waste system, where it is convey to a sewer or an individual septic system.
Water closet ell
The elbow shaped fitting, also called a flush ell, that connects a wall-hung water closet tank to the water closet bowl.
Water column (wc)
Common measure of air pressure used in HVAC systems.
Water cooled condenser
Condenser, such as those used in refrigerant plants, steam propulsion plants, etc., which uses water to cool refrigerants or to create steam.
Water cure
To control the rate of cure of materials such as concrete by spraying a fine mist of water on the surface.
Water economizer
A system which uses either direct evaporative cooling, or a secondary evaporatively cooled water loop and cooling coil to satisfy cooling loads, even if additional mechanical cooling is required.
Water emulsions
Mixture of pigment and synthetic resin in water with low solvent emission, low fire hazard and toxicity, and good durability and chemical resistance.
