


This 28mm diameter filter case (PN: 145638 / 4411/9A) is a high-quality OEM replacement component manufactured by CASTELL, designed as a direct fit for HALVORSEN filtration systems with serial numbers 21225 to 21231. It features precision machining to ensure reliable sealing and long service life in demanding industrial environments. Drawing references: 1519211, CWM1HSK534330ATTACHMENT2.
| Parameter | Value |
|---|---|
| Diameter | 28mm |
| Part Number 1 | 145638 |
| Part Number 2 | 4411/9A |
| Manufacturer | CASTELL |
| OEM Compatible Brand | HALVORSEN |
| Compatible Equipment S/N | 21225, 21226, 21227, 21228, 21229, 21230, 21231 |
| Drawing Reference | 1519211, CWM1HSK534330ATTACHMENT2 |
This filter case is widely used in industrial filtration systems, material processing equipment, heavy machinery, and manufacturing production lines. It is suitable for replacement and maintenance of HALVORSEN filtration units, ensuring stable operation of equipment and extending the service life of filter elements.
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