Products Description
Return Filter Element for RFA‑400
This element is designed for the RFA‑400 direct‑return filter. It mounts at the end of the hydraulic return line, on top of the reservoir. Oil flows radially inward through the pleated media and exits via the central tube. This model is interchangeable with NX‑400×10.
Applicable Industries:
- Textiles: Purification during polyester melt drawing and protective filtration for air compressors
- Electronics & Pharmaceuticals: Pretreatment filtration for reverse osmosis water and deionized water
- Thermal & Nuclear Power: Purification of lubrication systems in steam turbines and boilers
- Metallurgy: Filtration of hydraulic systems in rolling mills and continuous casting machines
- Petrochemicals: Liquid purification in oil refining and chemical production processes
- Construction Machinery: Medium-sized hydraulic power units, injection molding machines, precision CNC equipment, lubrication systems in steel plants, auxiliary hydraulic systems in power plants, and medium-sized mining equipment

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FAQ
Q1. What types of filters do you mainly produce?
A: We are a leading manufacturer in Xinxiang, Henan, specializing in air filters, oil filters, oil‑water separators, and other replacement filters compatible with various compressor brands.
Q2. What shipping terms do you offer?
A: We offer EXW, FOB, CFR, and CIF.
Q3. Do you test all products before shipment?
A: Yes, we perform a 100% quality check on every product prior to dispatch.
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