Standard vs Drawer Type Demister Pad
A standard demister pad removes droplets down to 5 µm at above 99% efficiency, with a pressure drop of about 250 Pa. A drawer type pad removes above 99.8% of droplets over 5 µm, and up to 100% of droplets of 8–40 µm. The drawer type is also a simple, low-cost unit that is easy to install. Choose drawer type when you need the highest removal.
Side by Side
| Standard type | Drawer type | |
|---|---|---|
| Removal efficiency | Above 99% for droplets down to 5 µm. | Above 99.8% for droplets over 5 µm. |
| Droplets of 8–40 µm | Above 99%. | Up to 100%. |
| Pressure drop | About 250 Pa. | Ask us for your case. |
| Installation | Rests on a support grid with a hold-down grid on top. | Simple, low-cost unit that is easy to install. |
| Large vessels | Made in sections that fit through the manway. | Made in sections that fit through the manway. |
| Typical use | Gas-liquid separation in towers, pressure vessels, knock-out drums and scrubbers. | Services where the highest removal of droplets is needed. |
Choose a Standard Pad When
- You need to remove droplets down to 5 µm.
- You need removal efficiency above 99%.
- You are replacing an existing pad made to a drawing.
Choose a Drawer Type Pad When
- You need removal above 99.8%.
- Your droplets are in the 8–40 µm range and you need up to 100% removal.
- You want a simple, low-cost unit that is easy to install.
Other Pad Types
We also make ring type pads, special-shaped pads to fit your vessel, and PTFE pads for hot or corrosive service. Send your drawing or vessel data, and we recommend the type.
Related Terms
Demister pad · Pressure drop · Manway · Hold-down grid (bed limiter)
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