FG11BN-1

Filtration of AMG-10 fluid through FG11BN-1

The FG11BN-1 uses a regenerable filter element with designation 340.044A. During operation, hydraulic fluid passes through the element, and solid particles are retained within the specified filtration range. In aircraft hydraulic systems, this is a practical point, not just a catalogue feature. Contamination can affect valve seats, damage seals, block small passages, or change the response of an actuator. A clean filter has limited resistance, but the resistance rises as the element collects dirt. That is why service checks should include both the filter body and the element itself.

Hydraulic circuit work with filter FG11BN-1

Inside the hydraulic circuit, the FG11BN-1 works together with pipelines, pumps, pressure lines, shut-off valves, actuators, fittings, and service connections. The filter helps reduce the amount of contamination carried by the fluid, but it does not solve every hydraulic problem on its own. If the system shows pressure loss, slow actuator response, or unstable operation, the filter should be checked together with the fluid condition, pump output, valve operation, and line cleanliness. A clogged element may look like a problem in another unit.

Aircraft and equipment application of FG11BN-1

The FG11BN-1 is applied in aircraft and specialized equipment hydraulic systems working under nominal high-pressure conditions. Open technical listings describe it as a hydraulic filter for AMG-10 fluid with a regenerable element and a transportation plug. Exact applicability still has to be confirmed by the aircraft or equipment documentation. A similar-looking filter may differ by thread, filter element, temperature range, flow capacity, or delivery set. For supply work, the installed marking and documentation reference are more reliable than visual comparison.

Identification and ordering checks for FG11BN-1

Before ordering, the marking on the installed filter should be checked against the parts catalog, passport, or system documentation. The product may appear as FG11BN-1, FG-11BN-1, or in Russian documents as FG11BN-1. If the request is related to maintenance, it is useful to confirm whether the complete filter assembly is required or only the regenerable filter element 340.044A. The delivery set should also be checked, since this version is supplied with a transportation plug. The product is also known under alternative designation FG11BN-1.

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Aircraft application: Documented applications include the Mi-8/Mi-17 helicopter family. Confirm the exact installation against the aircraft maintenance documentation and the complete part marking.