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Stormwater
Stormwater describes water that originates during precipitation events.
Strainer
Strainers are integrated into heating and cooling systems to filter impurities from the circulating medium.
Stress corrosion cracking
Metallic corrosion involves the loss of metal at a spot on an exposed surface - ranging from uniform attacks over the entire surface to severe local attacks.
Stribeck curve
The Stribeck curve is an overall view of friction variation in the entire range of lubrication, including the hydrodynamic, mixed, and boundary lubrication.
Subcooling
Subcooling is a technical expression for a refrigerant in liquid phase at a temperature lower than the corresponding evaporating temperature to the actual pressure.
Submerged installation
The two most common installation types are free standing pump installation and pump installation on an auto coupling.
Submersible pump - clean water
A submersible pump is a unit combining a pump and a motor to an enclosed unit, suitable for submerged installation. The pump comes in both a single-stage and a multi-stage version
Suction lift
Suction lift refers to the pressure (negative pressure) on the suction side of the pump.
Suction lift
Suction lift refers to the pressure (negative pressure) on the suction side of the pump.
Suction superheater
The purpose of the suction superheater in a cooling system is to protect the compressor from liquid drops, and to increase the evaporating section of the evaporator.