I. Raw Materials
The micro-porous PP pleated filter element is primarily constructed by folding ultra-fine polypropylene (PP) fiber membranes with non-woven fabric or (wire mesh) as the inner and outer support layers. The filter element's housing, central rod, and end caps are formed through hot-melt welding technology, without the use of any adhesives throughout the process, ensuring no leakage and no secondary pollution.
II. Technical Specifications
Here are some of the key technical specifications of the micro-porous PP pleated filter element:
Filtration Precision:
The micro-porous PP pleated filter element offers a variety of filtration precisions to choose from, including but not limited to 0.1μm, 0.22μm, 0.45μm, 0.65μm, 0.8μm, 1μm, 3μm, 5μm, 10μm, 20μm, and 60μm. The specific precision can be selected based on application requirements.
Effective Filtration Area:
The filter element typically boasts a large effective filtration area of ≥0.65 square meters, which contributes to enhancing its filtration efficiency and dirt-holding capacity.
Length:
The length of the filter element comes in various specifications, ranging generally from 2.5 inches to 40 inches, with the specific length determined by the actual application scenario.
Operating Temperature:
The normal operating temperature typically does not exceed 55°C, while the maximum operating temperature can reach 80°C under specific differential pressure conditions.
pH Range:
The filter element is suitable for a wide range of pH values, generally from 1 to 13, making it applicable for filtration in various acidic and alkaline environments.
Connection Types:
The filter element offers diverse connection types, including specifications such as 220, 215, 222, 226, to accommodate the interface requirements of different filter models and sizes.
Integrity Test (Bubble Point Test):
During an integrity test conducted under specific conditions (e.g., 25°C, 95% isopropanol), the required test pressure varies depending on the filtration precision. For instance, a 0.10μm precision filter element should withstand a test pressure of ≥0.018Mpa.
Other Parameters:
The filter element may also possess other technical parameters, such as maximum working pressure, maximum reverse differential pressure, maximum sterilization temperature, etc. The specific values of these parameters depend on the model and specifications of the filter element.
In summary, the micro-porous PP pleated filter element, with its excellent raw material characteristics and extensive range of technical specifications, has found widespread application in various industrial sectors, including pharmaceuticals, food and beverage, petroleum, electronics, and chemicals. When selecting and using these filter elements, it is crucial to choose the appropriate model and specifications based on the specific application scenario and requirements.
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