SP Series Spin-On Hydraulic Return Line Filter With Indicator Port

A: The SP Series Rotary Pipeline Filter (also known as spin-on hydraulic filter) is a compact, high-performance filtration solution designed for low-pressure hydraulic systems. It combines an aluminum alloy filter head with a disposable spin-on filter cartridge, offering reliable contamination control with easy maintenance. Widely used in hydraulic return lines and low-pressure oil supply systems, it protects pumps, valves, and other precision components from wear caused by solid particles.

Aluminum Alloy Filter Head: Lightweight, corrosion-resistant, and durable, providing stable structural support.

Low Working Pressure: Rated for a maximum operating pressure of 0.7 MPa, suitable for low-pressure hydraulic applications.

Wide Temperature Range: Operates reliably from -30°C to 90°C, adaptable to diverse environmental conditions.

Contamination Indicator Port: Built-in port on the filter head for installing a clogging transmitter, allowing real-time monitoring of filter element status to prevent system downtime.

Spin-On Design: The cartridge-style filter element can be quickly replaced without disassembling the entire unit, simplifying maintenance and reducing service time.

High-Performance Filter Media: Options include cellulose paper, chemical fiber, and stainless steel mesh, offering high dirt-holding capacity, low flow resistance, and efficient removal of contaminants.

Integrated Bypass Valve: A built-in bypass valve ensures continuous oil flow when the filter is clogged, preventing system shutdown due to pressure spikes.

Diverse Materials & Efficiency Ranges: Outer frame options (galvanized steel plate, plastic); filter materials (ultra-fine polypropylene/glass fiber paper) support medium, sub-high, and high filtration efficiency.

High Air Volume & Cost Efficiency: Compared to ordinary high-efficiency filters, fewer units are needed for the same air volume-reducing costs, installation space, and setup time.

High Dust Capacity & Low Resistance: Partitionless design with thermoplastic rubber separators ensures uniform fold spacing. This maximizes filter material utilization, enabling large dust holding capacity while maintaining small airflow resistance.

Durable Materials: Made of ultra-fine, moisture-proof, fire-resistant glass fiber, ensuring stability in diverse environments.

Metallurgical Industry: Filtration for rolling mills, continuous casting machines, and lubrication systems.

Petrochemical Industry: Product separation and recovery in refining processes, oilfield injection water filtration.

Textile Industry: Filtration for polyester melt spinning and air compressor protection.

General Industrial Machinery: Hydraulic systems for machine tools, injection molding machines, and construction equipment.

Power & Mining: Filtration for power plant auxiliary systems and mining machinery hydraulic circuits.

OEM, OEM Production services. Independent R&D team, one-stop solution for cleanroom projects.

If you also have business in hospitals or clean rooms, you can take a look at these products.

Primary Efficiency Universal Plate Air Filter (G1-G4 Low Resistance & High Efficiency Type)    PPS/PTFE High-Temperature Resistant Chemical Fiber Needle-Punched Filter Material Precision Direct Back Hydraulic Return Line Oil Filter