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This highly accurate, very high Lohm rate flow restrictor is available as a standard product in a barb-to-barb union, allowing for quick R&D testing. Lohm rates of as high as five million Lohms are available, equivalent to as small as a 0.001 mm (0.0004″) diameter orifice. Each restrictor is protected by a 4 micron screen and come flow tested on nitrogen to tolerances of ± 10%. This product is intended for gas applications only.
| Characteristic | Specification |
|---|---|
| Lohm Rate Tolerance | ± 10% |
| Test Fluid | Clean & Dry Nitrogen |
| Screen Micron Rating | 4 microns |
| Maximum Working Pressure | Dependent on Housing Material, Configuration, and Operating Conditions |
| COMPONENT | MATERIAL |
|---|---|
| Fitting | Polypropylene - Blue |
| Orifice Body | 303 Stainless Steel |
| Screen Body | 303 Stainless Steel |
| Screen | 316 Stainless Steel |
This table below contains the part numbers and technical specifications for this product. If you have specific questions, need a quote, or would like to request a handbook or drawing, click the red request button in the column on the far right.
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The Lee Company has developed the Lohm Laws for defining and measuring resistance to fluid flow. The Lohm is defined such that 1 Lohm will flow 100 GPM of water with a pressure drop of 25 psi at a temperature of 80°F.
Always verify flow calculations by experiment.
*There are many parameters to consider when determining V-Factor. Click here for more information.
