0660R020BN4HC Hydac Hydraulic Oil Filter

The 0660R020BN4HC Replace Hydac Hydraulic Oil Filter is a precision-engineered replacement element designed for Hydac 0660R series return line filtration systems. This element is specifically developed to remove solid particles, metal wear debris, and gelatinous contaminants from hydraulic fluids, ensuring optimal system performance and extended equipment life.

Designed for direct interchangeability, our 0660R020BN4HC fits seamlessly into existing Hydac filter housings without any modifications. The "R" designation indicates it's a return line filter element, installed in the hydraulic system's return line to clean fluid before it returns to the reservoir . The element features high-quality fourth-generation glass fiber media with a filtration rating of 20 microns, effectively capturing particles that would otherwise circulate through pumps, valves, and actuators.

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Huahang Filter is dedicated to engineering replacement parts that meet or exceed original specifications for fit, form, and function. Operating from our modern 26,000㎡ ISO-certified facility, we ensure every component, delivers the consistent performance, reliability, and compatibility demanded by industries worldwide.

Why Choose Huahang Filter

• 20+ Years of Filtration Expertise: We've spent over two decades specializing in hydraulic and industrial filtration. This isn't a side business for us-it's all we do. 
• Engineering-Driven Problem Solving: We don't just take orders-we solve problems. Whether you're dealing with an obsolete filter number, a custom specification, or a challenging application, our engineers work directly with you to develop the right solution. From first sketch to final delivery, we apply real engineering, not guesswork.
• Built to Last, Priced for Reality: Through vertical integration and lean manufacturing, we deliver filters that meet aerospace-level quality standards at prices that make sense for industrial budgets. We use premium materials-fourth-generation glass fiber media, heavy-gauge steel end caps-because cutting corners on filtration always costs more in the long run.
• Global Experience, Local Attention: Our filters support customers in over 120 countries, yet we maintain the responsiveness of a specialized manufacturer. 

Q1: Is this 0660R020BN4HC element a genuine Hydac part?
A: No, this is a high-quality replacement element manufactured by Huahang Filter. It is designed to be completely interchangeable with the original Hydac 0660R020BN4HC element and meets or exceeds the original performance specifications .

Q2: What does the "R" in 0660R020BN4HC stand for?
A: The "R" designates this as a return line filter element, designed for installation in the return line of hydraulic systems to filter fluid returning to the reservoir .

Q3: What is the operating pressure and temperature range?
A: Maximum operating pressure is 21 MPa (210 bar) with a collapse pressure rating of 30 MPa (300 bar) . Temperature range is -30°C to +110°C .

Q4: What fluids is this element compatible with?
A: This element is compatible with general hydraulic oils, phosphate ester hydraulic fluids, water-glycol emulsions, emulsified oils, and lubrication oils .

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