
When managing large volumes of fluid under high pressure, standard filters often fail to balance efficiency with flow stability. The Ayater 9904 series is specifically developed for high-flow applications (up to 450 L/min) where system uptime is non-negotiable. This series provides a robust, serviceable solution for the most demanding industrial environments.


1. Stable Pressure Resistance: 38MPa rating ensures reliable operation in medium-high pressure systems without leakage or deformation.
2. Precise Contaminant Removal: 4μm filter element eliminates fine particles, extending component lifespan by 42% compared to conventional filters.
3. Easy Maintenance: Tool-free 9901 filter element replacement reduces maintenance time by 50%, lowering downtime and labor costs.
4. Low Pressure Drop: Optimized flow channels control pressure drop to ≤0.08MPa, ensuring smooth oil supply and system efficiency.
1. Ultra-High Pressure Bearing: 55MPa rating handles extreme pressure in super heavy-duty systems, with forged steel housing preventing deformation.
2. Ultra-Precise Filtration: 2μm filter element removes ultra-fine contaminants, protecting high-precision components from irreversible damage.
3. Extreme Environment Adaptability: Forged steel housing and Viton seals resist corrosion, low temperature, and high heat-ideal for harsh industrial scenarios.
4. Safe & Efficient Maintenance: Sealed quick-release 9904 filter element replacement ensures safe operation in high-pressure environments, cutting maintenance time by 55%.

Multiply actual flow rate times factor to determine pressure drop with fluid at 150 SUS (32 cSt), 0.9 S.G.
Correct for other viscosities by multiplying new viscosity in SUS/150 x new S.G/0.9.
|
9400 Series Element |
|||||
|
Length |
CZ |
CP |
CN |
CS |
CT |
|---|---|---|---|---|---|
|
39" |
0.06 |
0.03 |
0.02 |
0.02 |
0.01 |
|
9901 Series Element |
||
|
Length |
CP |
CT |
|---|---|---|
|
26" |
0.10 |
0.03 |
|
39" |
0.06 |
0.02 |
CNC machine tools, automation production line hydraulic power units, light construction machinery (graders, small loaders), agricultural tractors, printing presses, packaging machinery.
Large mining excavators, offshore oil drilling platforms, heavy-duty marine hydraulic systems, steel mill continuous casting machines, ultra-large injection molding machines, mining hydraulic supports.
As a professional filtration solutions provider, Ayater offers customized technical support and bulk supply services for the 9900/9901/9904 series filters and their replacement elements. To inquire about pricing, delivery, or system compatibility, contact our sales team directly. We commit to providing high-quality products and efficient after-sales service to meet your specific filtration needs.
Ordering Information / Part Numbers
Please select only from the following list of standard filter housing options.
| HZ9900D32 XB1 HZ9900E32 XB1 HZ9900F32 XB1 HZ9900G32 XB1 HZ9900G32 XC1 HZ9901E32 XW1 HZ9901E32 VW1 HZ9901G32 XW1 HZ9901G32 VW1 |
FAQ
01.What makes Ayater 9901 and 9904 filters stand out in terms of maintenance efficiency
02.How do Ayater 9901 and 9904 filters ensure reliable performance in different working conditions?
03.Why are Ayater 9901 and 9904 filters beneficial for prolonging hydraulic system lifespan?
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