Can a swing check valve be installed vertical?

We hear many people ask, “Can swing check valves be installed vertically?” The simple answer to that question is yes, swing check valves can be installed in both directions.

Do check valves allow flow in both directions?

Pilot-to-open (often called pilot operated) check valves allow flow in both directions, e.g. backward through the valve when a pressure is applied to the pilot line. Pilot-to-close check valves will not open in either direction when pressure is applied to the pilot.

Can piston check valves be installed vertically?

The C&C Guardian series piston check valve can be installed with the flow port in either the horizontal or vertical position.

When would you use a swing check valve?

Swing check valves have many uses, from sewage systems and wastewater treatment to firefighting, power plants, and various household items. One of the most commonly known examples of this valve type is the swing check valve that allows water to enter a toilet’s tank while blocking the reverse flow.

Should a check valve be installed vertically?

Check valve can be installed in horizontal or vertical piping runs, with the flow running upward. Mounting for vertical installations is critical.

Does a check valve go before or after a pump?

If an additional check valve is required, it should be placed after the pressure tank to allow the pump and discharge pipe to remain pressurized. The check valve slamming shut from a full open position when the pump is cycling repeatedly is the main cause of check valve failure.

Should a check valve be installed vertically or horizontally?

When installing a check valve, a horizontal line is always preferred, because it takes gravity out of the equation.

Can check valves be closed?

Check valves are normally in the close position and open when the fluid flows through it. It also has the capability of shutting off the flow in the event the pressure downstream exceeds the upstream pressure.

How do you know if a valve is open?

When the handle of a ball valve is parallel to the valve or pipe, it’s open. When it’s perpendicular, it’s closed. This makes it easy know if a ball valve is open or closed, just by looking at it.

Should check valves be installed vertically or horizontally?

Not all styles of check valves function properly or are suitable for vertical flow directions. When installing a check valve, a horizontal line is always preferred, because it takes gravity out of the equation.

What happens when check valve fails?

For example, failing check valves will start to vibrate and even lose some internal parts when problems begin to arise. Other symptoms of check valve failure include reverse flow and excessive component wear and damage. Check valves will also emit noises as they start to break down.

Can a swing check valve be installed in the vertical?

The standard “Swing Check” valve cannot be installed in the vertical with the flow down. However, some Swing Check (not all) valves can be supplird with an external counter weight connected to the disk pivot pin that will close the disk during a no-flow condition.

What does cracking pressure mean on swing check valve?

When the medium flows downstream, the medium rushes through the valve flap and opens the valve, the pressure at which the valve opens are called cracking pressure. If the pressure of the medium falls below the cracking pressure the valve automatically shuts.

When to use a horizontal line check valve?

There are many different requirements when designing fluid flow systems and installing the correct check valves for the application. Not all styles of check valves function properly or are suitable for vertical flow directions. When installing a check valve, a horizontal line is always preferred, because it takes gravity out of the equation.

Which is the Best Direction for a DFT check valve?

The most difficult flow direction to address is vertical flow down. This flow direction is most often found in boiler supply lines and mining applications, where space is limited. A swing check valve will not work in this position as it will always be open and not doing its job. Instead, a spring-assisted silent check valve is the ideal choice.