Air Compressor Air Oil Separator RN27518 P525594 250005-547 OS5143 KB8075M 3221221278 KV355-001P NS100230 SB635 SQ2050

Key Features & Advantages

• How the Oil Separation Actually Works: This 250005-547 uses a three-step separation setup — way better than cheap single-layer filters. First, the inlet baffle slows the oil-air mix way down, so big oil droplets settle out on their own. Then, the middle high-density glass fiber media snags tiny oil mist (down to 0.1μm) — that’s where the 99.99% separation efficiency comes from. Finally, the inner coalescing layer clumps small oil droplets into bigger ones, which drain right back to the compressor’s oil sump automatically. This design means way less oil carryover, cleaner compressed air, and you won’t have to change the element nearly as often as single-stage separators.
• ISO 9001 Certified (No Shortcuts on Quality): Every 250005-547 we make at our Jiangxi factory gets put through the wringer before shipping: we check if it separates oil correctly, test how well it holds pressure, verify material corrosion resistance, and check for leaks. We meet every ISO 9001:2015 standard, so you won’t get a dud that causes oil leaks or dirty air. This cert lines up with industrial rules in Europe, North America, and most global markets — no headaches with site compliance or procurement risks.
• Built to Take a Beating — Day In, Day Out: The separator has a 1.5mm thick carbon steel housing (powder-coated to fend off rust better) — thicker than the 1.0mm steel most other suppliers use for this model. It handles high temps (-20℃ to 120℃) and 1.6MPa pressure easily, perfect for heavy-duty compressors that run long hours. The filter element uses imported synthetic glass fiber media that doesn’t break down from oil, so it lasts 3000 to 4000 operating hours (depends on your oil type and how hard you run your compressor). That’s roughly 25% longer than most competing 250005-547 separators — saves you time on maintenance and money on replacements.
• Perfect OEM Fit, No Fuss Installation: We built this 250005-547 to match the original OEM part’s exact size, flange, and mounting spots. We cut the sealing gaskets in-house from oil-resistant rubber, so they fit tight — no air or oil leaks. You don’t have to drill new holes, tweak brackets, or mess with your compressor’s oil system. Just yank out the old separator and bolt this one on. Most guys get it installed in under 30 minutes, so your compressor isn’t down longer than it has to be.
• Factory Direct Pricing & Steady Stock: We’re the direct manufacturer — no middlemen jacking up the price, so you get wholesale rates without cutting corners on quality. Our factory cranks out over 4,000 250005-547 units every month, so we can handle bulk orders (200+ units no problem) and keep stock on hand for your regular maintenance runs. If you’ve got questions about whether it fits your compressor brand (like Ingersoll Rand, Atlas Copco), need help with installation, or want a small custom tweak, our tech team’s here — no passing you around, just straight answers. 

 

Other information

S.G Filter is the filter top manufacturer of Air Compressor, Heavy Duty Truck, Forklift, Bus, Ship &Vessel, Generator, Engine, Construction Machinery,Agricultural Machinery,Air-conditioning, and Environmental Purification System etc, nearly 3,000 kinds of filter elements, which include air filter, oil filter, air oil separator,line filter,diesel filter(fuel filter), hydraulic filter, Fuel Water Separator Filter, and other spare parts.We also supply air compressor and air dryer.

Accept ODM / OEM, Welcome to Sample Order.