How to choose a high quality mechanical seal for you EG250 Centrifugal Pumps?(22451-1/P25MS/TT))

Mechanical Seal Comparison

The mechanical seal is a very important spare part for Centrifugal Pumps, the quality affects the performance of the complete pumps a lot.

Clients care about the cost of the spare parts, so they want to know why there are mechanical seals from other brands have a lower cost than Evergrow. 

We make a detail comparison below for our mechanical seals and mechanical seals from some other manufacturers. You will know how to choose a high quality mechanical seal for you centrifugal pump in the future.  

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Note: Left one is Evergrow’s mechanical seal, right one is from other brands made in Wenzhou.

1.Height- Evergrow’s mechanical seal has a standard height

2.Weight, unit: gram

3.Weight of the rotating ring

(Evergrow)                                                                (other brand)                                                                       

4.Height of the rotating ring

Evergrow-9.5mm                  Brand from Wenzhou-9mm

5.Weight of stationary ring, unit: gram

Evergrow                                                                              Wenzhou brand

6.The height of stationary ring

Evergrow-14.6mm                                    Wenzhou brand-14.3mm

7.Spring

Evergrow diameter: 5mm                  Wenzhou brand diameter: 5mm

8.Rubber parts

Evergrow: Viton Fluor rubber in Green color      Wenzhou brand:black

The density of seals: Evergrow-14, Wenzhou brand-12

9.The accuracy match of rotating ring and the seat

Evergrow seals have a fastened match of the rotating ring and the seat, but products from other brands are loosened.

We have a video to show the match of the rotating ring and the seat, welcome to contact us for information.