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Hydraulic rotary filters (also known as rotary pipeline filters) are critical devices in hydraulic systems for oil purification. They achieve continuous self-cleaning through the rotation of the filter element, ensuring the cleanliness of system oil and extending the lifespan of components.
1. Working Principle
Rotary Self-Cleaning Mechanism
Hydraulic system pressure drives the filter element to rotate. As oil flows from the outside to the inside through the filter media, impurities are trapped on the surface of the filter element. As the filter element rotates, the trapped impurities are dislodged by built-in scrapers or the oil flow and collected at the bottom of the filter housing, enabling uninterrupted filtration and self-cleaning.
Dual-Mode Protection
Normal Filtration: Oil passes through the filter element into the system, with filtration precision ranging from 1-100 μm (commonly 10 μm or 25 μm).
Bypass emergency mode: When the filter element becomes clogged, causing the pressure differential to exceed the limit (typically ≥0.35 MPa), the bypass valve automatically opens, allowing oil to bypass the filter element and flow directly into the system, preventing equipment shutdown.
II. Core Structure and Technical Features
Modular Design
Filter head: Made of aluminium alloy, lightweight and corrosion-resistant, with integrated sensor interface and bypass valve 47.
Filter housing (core): Steel housing with glass fibre filter media, low oil flow resistance, high dirt-holding capacity, filtration efficiency ≥99%.
The introduction of LF3345
the size of LF3345
| 537A0017 | PF1071 | LFR-83345 |
| E537A0017 | 3908616 | V88835 |
| 1992368B | 72515699 | PH3900 |
| OC320 | ABP/N10G-LF3345 | 1507153 |
| ZM127 | ABPN10GLF3345 | GM 25011995 |
| 29215326 | ND088151 | GMC 25011995 |
| 91084001 | B7117 | OG1049 |
| 1602 | BT427 | 414100788 |
| 151831111 | 221391 | Z346 |
| 86990960 | 1831111 | LF395 |
| LL1189113 | 92602 | P395 |
| 122-0712 | 9014100100 | H17W19 |
| 1220712 | 53824 | SO3345 |
| 187-0015 | 538240 | 161625 |
| 1449300 | 31780204 | 11E170110 |
| RL-333 | 0986B01010 | 11E170110PB |
| 300545707 | 88835 | 161625 |
| 1046Z573 | OF3900 | 35374651 |
| L34421 | 85602 | 59728170 |
| PER4421 | 85602MP | 88122569 |
| C5703 | J903224 | HL3900 |
| J903224 | J903324 | J908616 |
| SM5741 | J908616 | 100068 |
| LFP3900 | J934429 | OC585 |
| PSL282 | J903224 | YN50VU0001D4 |
| TP8320262 | J908616 | YN50VU0001D9 |
| 414574 | 3I-1377 | 8320262 |
| 8414574 | T17-1057 | 161625 |
| 841457400 | LSF5007 | 6732-51-5140 |
| 4618907 | 2120 | 6732515140 |
| LI914434 | 3890709 | CULF3345 |
| CPD5044 | 3903224 | L248 |
| VPD5044 | 3903324 | 3900 |
| 104071001 | 3908616 | LFP3900 |
| 88835 | EFL723 | 25849 |
| V88835 | LFP558616 | 154703565740 |
| 490010012 | P558616 | OC320 |
| 13474382 | 15183111 | OC585 |
| 59728170 | 76192146 | 473730 |
| WG1217201 | 15183111 | W940/30 |
| 51602 | 76192146 | W940/34 |
| 51602MP | MCJ908616 | W94030 |
| W51602 | W940/34 | W94034 |
| WL51602 | LF3553 | LF3922 |
| WGL3345 | LF3805 | 3621277M1 |
| 4618907 | LF3345 | ZP22 |
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