The custom coal mine filter element 47×134 is a heavy‑duty, high‑precision filtration cartridge specifically engineered for the demanding hydraulic, lubrication, and cooling systems of underground coal mining equipment. This filter element is manufactured to your exact specifications, providing reliable contamination control for hydraulic supports, shearers, roadheaders, and other critical machinery operating in the harsh conditions of coal mines.
Coal mining equipment operates in one of the most challenging industrial environments on earth. High concentrations of airborne coal dust, abrasive rock particulates, water contamination, and extreme temperature fluctuations place exceptional demands on hydraulic and lubrication systems. The coal mine filter element is designed to remove solid contaminants from hydraulic oil, lubricating oil, and other working fluids—protecting sensitive components such as pumps, valves, cylinders, and motors from premature wear and catastrophic failure.
| Outer diameter | 47 mm |
| Height | 134 mm |
| Filter layer | Stainless steel |
| Filtration rate | Customized |
| Working temperature | -10℃~ +70 ℃ |
| Origin | Henan, China |
Note: Exact parameters depend on the specific media grade, layer count, and application requirements. Huahang Filter’s engineering team can design the optimal specification for each customer’s unique polymer type, throughput, and cleanliness targets.
Mining machine filter elements are widely used in filtration systems where reliability and durability are critical.
At Huahang Filter, we combine advanced material science with precision manufacturing to create filtration components that perform reliably under the combined assault of high temperature, high pressure, and aggressive chemistry. Our polymer melt filters are built not as commodities, but as integral, high-reliability components of your production line. Operating from our modern 26,000㎡ ISO-certified facility, we serve clients in over 120 countries, with exports accounting for more than 80% of our business.
Factory‑Direct Custom Manufacturing: Every element is designed and produced in our ISO 9001 certified facility. No brand markups, no intermediary costs.
20+ Years of Filtration Engineering Expertise: Since 2003, Huahang has specialized in polymer melt filters, wire mesh filtration, and high‑temperature applications. Our engineers understand the unique challenges of polymer processing.
Wide Material and Mesh Selection: SS304 and SS316L as standard, with other alloys available. Various mesh counts and multi‑layer configurations to optimize for your specific polymer and contamination level.
Complete Customization with Low MOQ: Any diameter, any length, any micron rating , any interface type. No minimum order quantity barriers—from a single prototype to production quantities.
Cleanable and Reusable: The woven mesh construction supports thermal, ultrasonic, and solvent cleaning. Multiple cleaning cycles reduce long‑term consumables cost.
ISO 9001 Certified Quality: Raw material inspection, in‑process quality control, and final dimensional verification ensure consistent, reliable performance.
Huahang Filter supports full customization of the Polymer Melt Filter Element and other melt filtration products:
Q: What is a coal mine filter element and how does it differ from standard industrial filters?
A: A coal mine filter element is a heavy-duty filtration component specifically designed for mining and mineral processing equipment operating under extreme conditions such as high dust load, shock pressure, and continuous vibration.
Unlike standard industrial filters, coal mine filter elements are engineered with:
This makes them significantly more durable than general-purpose hydraulic or industrial filters.
Q: Can this filter be cleaned and reused?
A: Yes. When manufactured with stainless steel sintered mesh media, the element can be cleaned and reused. Cleaning methods include backwashing, ultrasonic cleaning, and solvent immersion. Glass fiber and sintered felt versions are typically disposable and should be replaced when differential pressure reaches the change‑out point.
Q: Where is this filter installed in the hydraulic system?
A: Coal mine filter elements can be installed in suction line (protecting the pump), pressure line (primary oil filter protecting downstream components), return line (intercepting wear particles before they re‑enter the tank), or circulating filtration (continuous oil cleaning) systems. The specific installation position depends on your equipment design and filtration requirements.
