RFA Tank Mounted Mini-type Return Filter

RFA Tank Mounted Mini-type Return Filter

5 day ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 4 year year

Product details

RFA Tank Mounted Mini-type Return Filter

Product Overview

RFA Tank Mounted Mini-type Return Filter is a compact return-line FILTER, specially designed for the hydraulic system of small and medium industrial Machine. Installed on the top of hydraulic oil tank, the filter cartridge is submerged inside the tank. This FILTER cleans hydraulic oil returning from the working circuit of the Machine. It intercepts solid wear contaminants generated inside the hydraulic system before oil flows back into the tank, preventing particles from circulating again and damaging hydraulic components.

Compared with the standard RF series, this mini-type FILTER features a smaller overall size, perfect for hydraulic stations with limited installation space. It comes with built-in bypass valve and optional clogging indicator. When the filter element is blocked, the bypass valve automatically opens to prevent excessive back pressure and ensure stable oil return of the hydraulic system. Various flow rates and filtration accuracy options are available for different small-sized hydraulic power units and industrial Machine.

Technical Specifications

- Model: RFA Tank Mounted Mini-type Return FILTER

- Type: Mini tank-top mounted return-line filter

- Mounting: Tank top flange installation

- Rated Flow: 10 ~ 400 L/min optional

- Filtration Accuracy: 10μm, 20μm, 30μm, 40μm

- Bypass Valve Opening Pressure: 0.35 MPa

- Clogging Indicator Signal Pressure: 0.3 MPa (optional)

- Working Medium: Anti-wear hydraulic mineral oil, water-glycol, phosphate-ester fluid

- Operating Temperature: -20℃ ~ +80℃

- Feature: Mini compact structure, built-in bypass valve, optional clogging alarm, easy filter element replacement

- Application: Return-line filtration for hydraulic system of small and medium industrial Machine

Working Principle

When the Machine operates, hydraulic oil after power execution flows back to the oil tank through the RFA return FILTER. Metal wear chips, rubber debris and dust particles are trapped by the filter element, and purified oil flows into the hydraulic tank.

As impurities accumulate on the filter element, pressure difference rises. When pressure reaches 0.3 MPa, the optional clogging indicator triggers a warning signal to remind maintenance. If the Machine cannot stop right away, the built-in bypass valve opens at 0.35 MPa, allowing oil to bypass the filter cartridge temporarily. This avoids excessive back pressure and protects the hydraulic system. Operators can replace the filter element directly from the tank top without draining all hydraulic oil.

Core Advantages

1. Miniature compact design, occupies less installation space, ideal for compact layout of the hydraulic system.

2. Built-in bypass valve and optional clogging indicator provide dual protection, preventing over backpressure damage to the hydraulic system.

3. Simple maintenance: replace filter element from tank top without draining the whole tank oil, reducing downtime of the Machine.

4. Multiple precision options, stable filtration performance, effectively improve oil cleanliness and extend service life of hydraulic components.

5. Light weight and good sealing performance, high interchangeability, widely used as standard spare parts for small hydraulic stations.

Application Range

This FILTER is widely applied in the hydraulic system of small hydraulic power packs, machine tools, small injection molding machines, light hydraulic presses, packaging machinery and other compact industrial Machine. It performs return oil filtration to remove circulating wear particles, suitable for new equipment assembly and routine maintenance replacement.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 Audited supplier

4 year

Address: Ningbo, China

Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch , hydraulic system

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