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What is the difference between a check valve and a backflow preventer?
Check valves are used in a wide variety of equipment, cars, planes, pneumatic and fluid systems, while backflow preventers are typically used in plumbing systems for structures. A check valve has a variety of roles but is mostly used to regulate and control the flow of fluids, especially into pumps.
What is the difference between a check valve and a swing check valve?
One difference between these types of check valves is that the they allow and prevent flow. A swing check valve uses a flapper that 'swings' off the seat to allow forward flow and then swings back onto the seat when the flow is stopped.
Where is the best place to put a check valve?
Check valve can be installed in horizontal or vertical piping runs, with the flow running upward. Mounting for vertical installations is critical.
What is the difference between wafer check valve and swing check valve?
Wafer check valves get their name from their wafer thin design. These valves are sleek and made to fit in tight spaces between two flanges. ... Swing check valves, as the name implies, also uses a swinging disc to allow or block flow. The difference between the two is in the body design.
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