API screen with different mesh

API screen means the shaker screen mesh size conform to API RP13C. We know there are so many different models and makes of screen. How to get right replacement? How to choose right mesh size?

API screen information

We’ve talked many times on API screen and the information. Including the cut point, conductance, non blanked area. But the key issue is the cut point. The cut point reflects how big solid can be filtered out of drilling fluid. API number of shaker screen indicates a range of drilling cuttings will be separated out completely.

For example, API 140 screen means this screen can filter particles 98-116.5 microns out. So, we found Derrick DX175 and HP180 mesh designation are both API 140 conformance. Furthermore, Derrick DX and HP mesh configuration are available fro almost replacement shaker screen. That means, API screen size won’t be affected by shaker screen makes or model

API screen

API screen

Different mesh with same API number

API RP 13C aimed to give a clear and standard guidance on screen selection and exchange. Different shaker screen manufacturer will fabricate screens with different mesh configuration. And they will have certain part name or part number.

Take NOV Brandt  RDH 280 as example, and the M-I SWACO XR270. They are different mesh size of different shaker screen model. However, they are both same API 140 as Derrick DF-A140 and DX-A140. May many users say, they do have other different designation, such as the exact cut point, the non blanked area and the conductance.

Just as we talked before, API size mainly and generally give us a standard cut point range. There is no exact standard tell us how much conductance or non blanked area.

Other information about API screen mesh difference

Even by same manufacturer, they will have many different meshes with same API size screen. The NOV Brandt VSM300 screen, there are PXL series screen, the RHD screen, as well as the XF screen. The difference including the different mesh configuration, the screen pattern, the screen layers, the diameter, etc.

The PXL 80 is same as RHD 145 and XF110. They are all API 80 screen. However, they have very different mesh configuration. Thus they have different conductance. So, we kindly suggest user or clients tell us exact part number of original shaker or the API size you need, we assure you’ll get right fit replacement screen for you

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