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Larger Filter Area, Longer Filter Life
Pall ‘Rigimesh’ and ‘PMF’ range of cleanable metal high-flow filter has been extended to include a high area, large bore version. These are specifically designed to provide a very high surface area, up to 4.1 m2, for handling large flow rates. Manufactured from Rigimesh or PMF medium to give very low clean differential pressure drops. Absolute removal from 2.5 micron up to 105 micron in liquids and .25 to 85 micron in gases.
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Specifications
Cartridge Dimensions
| Nominal length: | 380 mm (15") 762 mm (30") |
| Outer diameter: | 190 mm (7.45") |
| Inner diameter: | 100 mm (6.3") |
Operating Characteristics
Maximum Differential Pressure
Conventional Flow Out to In*Operating Temperature 12 bard 250°C 17 bard 21°C
| Maximum Differential Pressure Reverse Flow In to Out | Operating Temperature |
| 0.7 bard | 21°C |
* For fluids compatible with the filter element at the stated temperature
To correct for different viscosity, use the following formulas:
| GAS | Differential Pressure x (Gas viscosity/.018) |
| LIQUID | Differential Pressure x Viscosity |
These values are for the media only.
You will need to add the tubesheet 
p as follows:
| GASES | The differential pressure caused by the connections is negligible at .001mbar and can be ignored |
| LIQUIDS | The differential pressure caused by the connections can be taken as constant for each application at 55 mbar |
Applications
Typical Applications
- Used where high flow rates combined with high temperatures
preclude the use of polymeric products. - Gas compressor inlets to reduce the effects of fouling.
- Catalyst protection, to increase catalyst life.
- Heat exchanger protection to reduce energy costs.
- Pump protection to increase pump life.
Performance
Clean Calculated Media Differential Pressure
Drops per Standard Cartridge
PMF
| Gas (mbar/Sm3hr) | Liquid (mbar/lpm) | |||||
|---|---|---|---|---|---|---|
| GRADE | 15 ins | 30 ins | 15 ins | 30 ins | ||
| 025 | .039 | .02 | .178 | .087 | ||
| 050 | .009 | .004 | .043 | .021 | ||
| 080 | .007 | .003 | .03 | .015 | ||
| 100 | .004 | .002 | .02 | .01 | ||
| 150 | .002 | .001 | .01 | .005 | ||
| 200 | .001 | .00025 | .005 | .0025 | ||
| 250 | .001 | .00025 | .004 | .0019 | ||
| 300 | .001 | .00025 | .0035 | .0017 | ||
| 400 | .001 | .00025 | .0025 | .0012 | ||
RIGIMESH
| Gas (mbar/Sm3hr) | Liquid (mbar/lpm) | |||||
|---|---|---|---|---|---|---|
| GRADE | 15 ins | 30 ins | 15 ins | 30 ins | ||
| S | .00009 | .00004 | .00009 | .00004 | ||
| R | .00013 | .00007 | .00013 | .00007 | ||
| M | .0003 | .0002 | .00035 | .0002 | ||
These values are for air and water only.
Type
Metal Filters
Use
Filtration
Ordering Information
Part Numbers/Ordering Information
LB - 
- 24 
| Code | Length (inches) |
|---|---|
| 1 | 15" |
| 2 | 30" |
| Media Code | Absolute (100%) Removal Rating µm | |||
|---|---|---|---|---|
| Liquids | Gases | |||
| Rigimesh | RM | 45 | 25 | |
| RR | 70 | 55 | ||
| RS | 105 | 85 | ||
| PMF* | FH025 | 2.5 | 0.25 | |
| FH050 | 5.0 | 0.5 | ||
| FH080 | 8.0 | 0.8 | ||
| FH100 | 10 | 1.0 | ||
| FH150 | 15 | 1.5 | ||
| FH200 | 20 | 2.0 | ||
| FH250 | 25 | 2.5 | ||
| FH300 | 30 | 3.0 | ||
| FH400 | 40 | 4.0 | ||
*Gas ratings are calculated values
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