Kyoto2.org

Tricks and tips for everyone

Interesting

Can we use concentric reducer in pump suction?

Can we use concentric reducer in pump suction?

Concentric reducer is recommended for vertical inlet (suction) piping or horizontal installations where there is no potential for air vapor accumulation. When the source of supply is above the pump, then the eccentric reducers must be placed with the flat side down.

Why concentric reducer is not used in pump suction?

If concentric reducers are used, their upper part can allow accumulation of trace amounts of air or vapors at the pump suction. This can lead to creation of bigger gas bubbles near the pump suction.

How do you install eccentric reducer at pump suction?

Consider using eccentric reducers on the suction side of the pump when a pipe size transition is required. Install the flat side of the reducer on the top when fluid is coming from below the pump. If the fluid comes from the top, the flat portion of the reducer should be mounted on the bottom of the pipe.

Why flat side up reducer is used in pump suction?

An eccentric reducer (flat side up) is used to allow any vapor in the suction line to freely flow into the pump suction and be pumped away.

Why eccentric reducers are used at pump suction?

Eccentric reducers are used at the suction side of pumps to ensure air does not accumulate in the pipe. The gradual accumulation of air in a concentric reducer could result in a large bubble that could eventually cause the pump to stall or cause cavitation when drawn into the pump.

What is the difference between concentric and eccentric reducers?

Concentric reducers reduce the pipe in the center. So, if you’re looking at the reducer head-on, you can see the smaller section is formed in the direct center of the larger side. Eccentric reducers reduce the pipe to the side.

What is eccentric suction reducer?

What is the purpose of an eccentric reducer?

Where do we use eccentric and concentric reducers?

Concentric reducers are used where the pipework is vertically installed and at the discharge side of pumps. Eccentric reducers are more often used when the pipework lays on a pipe rack. Because of the flat side, aligning and securely mounting the pipes to the rack is easier.

How do you calculate eccentric reducer weight?

Approximate weight of a butt welding reducer can be calculated based on its two outside diameters, length and wall thickness….Where :

  1. W = Weight in Kg.
  2. OD1 = Large Size Outside Diameter (mm)
  3. OD2 = Smaller Size Outside Diameter (mm)
  4. t = Wall Thickness (mm)
  5. H = End to End Dimension (mm)

Related Posts