The GPP-08 suction oil filter element is a high-performance stainless steel filtration cartridge engineered for installation in hydraulic tank suction lines to protect pumps from contaminants before they enter the system. Manufactured to your exact specifications, the GPP-08 designation indicates a specific connection interface size and design compatibility with standard suction filter housings, widely used in hydraulic power units, industrial machinery, and mobile equipment.
Suction filters are typically installed inside the hydraulic tank, attached to the pump intake pipe. As the pump draws oil from the reservoir, unfiltered oil must first pass through the suction filter element before entering the pump inlet. This positioning prevents solid contaminants such as metal wear particles, rust scale, weld slag, and other debris from being ingested into the pump, which would otherwise cause catastrophic pump failure, cavitation damage, or accelerated internal wear.
| Part number | GPP-08 |
| Dimension | Standard |
| End caps | Aluminum |
| Working temperature | -25 ~ +110℃ |
| Filter layer | Stainless Steel |
| Filtration rate | Customized |
| Package | Neutral carton package |
Note: All specifications are fully customizable. Provide your existing filter drawing, sample, or detailed measurements for a precise quotation. Feel free to contact us for a quote.
With over 20 years of manufacturing experience, we have developed comprehensive expertise in producing high-quality replacement filter elements for diverse industrial applications. We specialize in the research, development, and production of suction filters , ensuring that every element delivers reliable pump protection and long service life .
FAQQ1: What happens if the suction filter rating is too fine?
A: Excessively fine ratings restrict flow, causing pump cavitation – vapor bubbles that implode against pump surfaces, leading to noise, vibration, and rapid pump failure.
Q2: Can I use a pressure line filter on the pump suction side?
A: No. Pressure line filters (paper/glass fiber) collapse under vacuum. Use only robust, all-metal suction filters like the GPP-08.
Q3: How should the GPP‑08 filter be oriented during installation? Does direction matter?
A: The GPP‑08 suction filter is typically mounted at the end of the pump suction line inside the tank. Flow direction is outside‑in (oil enters through the media from the outside). Reverse installation may cause poor sealing or premature clogging.
Q4: What symptoms indicate a clogged suction filter?
A: A clogged suction filter causes increased vacuum at the pump inlet. Typical symptoms include: irregular pump noise (cavitation), slow or jerky actuator movement, and abnormal system temperature rise. In severe cases, the pump may run hot or deliver unstable pressure. If you observe these signs, stop the system.