Hydrostatic loop
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A hydrostatic loop, though not often used in plumbing practice, is an arrangement of pipes formed into a vertical loop to prevent backflow of water within the plumbing potable water system. Since a siphon has a maximum height that it can work (about 33 feet), a hydrostatic loop is built higher than 33 feet. There are several ways to prevent siphonage and an undesirable backflow of the water in a plumbing system. One form of backflow prevention is an air gap.
See also
- Pressure vacuum breaker
- Double check valve
- Chemigation valve
- Reduced Pressure Principle BFP
- Atmospheric vacuum breaker
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