The Ayater 9901 Series Filter is engineered to deliver consistent, high-level protection for hydraulic and lubricating fluid systems across all industrial applications, even in severe operating conditions. With exceptional filtration efficiency, low pressure drop, and extended service life, this filter ensures that solid particles and colloidal substances in the fluid are effectively removed, maintaining optimal fluid cleanliness and preventing premature wear of system components.
High Pressure Resistance: Maximum operating pressure up to 414 bar (6000 psi) for SAE J51 code 62 flange ports, and 400 bar (5800 psi) for ISO 6162 split flange ports, suitable for high-pressure hydraulic systems.
Superior Filtration Efficiency: βₓ(C) ≥ 1000 based on ISO 16889, ensuring thorough removal of contaminants to control fluid pollution levels.
Large Flow Capacity: Handles flows up to 910 L/min (250 US gpm), meeting the demands of high-volume fluid circulation systems.
Wide Temperature Adaptability: Operates in temperatures ranging from -29 °C (-20 °F) to 120 °C (250 °F); maximum 60 °C (140 °F) for HWCF or water glycol fluids.
Durable Construction: Ductile iron head and cover, paired with a steel tube, provide excellent mechanical strength and corrosion resistance.
Non-Bypass Design: Eliminates unfiltered fluid bypass, ensuring all fluid passes through the filter element for consistent purification.
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Parameter Category |
Specification Details |
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Pressure Ratings |
- Max Operating Pressure: 414 bar (6000 psi) (SAE J51 code 62); 400 bar (5800 psi) (ISO 6162) - Fatigue Pressure Rating: 207 bar (3000 psi) (1 million cycles, per NFPA T2.6.1 R2-2001 Cat C/90) - Typical Burst Pressure: 1035 bar (15,000 psi) - Filter Element Collapse Pressure: 207 bar (3000 psid) |
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Flow & Pressure Drop |
- Max Flow: 910 L/min (250 US gpm) - Indicator Pressure Setting: 7 bar (100 psid) - Housing Pressure Drop: Proportional to fluid specific gravity (based on 0.9 S.G. fluid) |
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Fluid Compatibility |
Compatible with petroleum oils, most water glycols, water-oil emulsions, and synthetic hydraulic/lubricating fluids |
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Temperature Range |
- Standard: -29 °C (-20 °F) to 120 °C (250 °F) - HWCF/Water Glycols: Max 60 °C (140 °F) |
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Housing Dimensions (Nominal) |
- Port Size: 2" - Length (V-type): 718.6 mm (28.29 in) - Length (X-type): 1048.5 mm (41.28 in) - Clearance for Element Removal (V-type): 623.3 mm (24.54 in); (X-type): 953.53 mm (37.53 in) |
The Ayater 9901 Series High-Pressure Filter is widely used in:
Petroleum & Chemical Industry: Filtration of hydraulic fluids in oil extraction, refining, and chemical processing equipment.
Metallurgy: Protection of hydraulic systems in rolling mills, continuous casting machines, and lubrication equipment for heavy metallurgical machinery.
Power Generation: Purification of lubricating oil and hydraulic fluid in thermal power and nuclear power plants (e.g., turbine lubrication systems, speed control systems).
Heavy Machinery: Hydraulic system filtration for construction equipment, mining machinery, and marine lifting devices (e.g., ship cranes, anchor winches).
Installation: Ensure the filter housing is fitted with a filter element before operation; all differential pressure indicator ports must be sealed (use the provided plastic shipping plug or blanking plug if no indicator is installed).
Element Replacement: Refer to the element pressure drop factors (psid/US gpm) to monitor replacement timing:
26" length elements: CP (0.10), CS (0.035), CT (0.03)
39" length elements: CP (0.06), CS (0.025), CT (0.02)
Pressure Drop Correction: For fluids other than 32 cSt (150 SUS) and 0.9 S.G., multiply the calculated pressure drop by (new viscosity/32) × (new S.G./0.9).
Seal Inspection: Regularly check fluorocarbon or nitrile seals for wear to prevent fluid leakage; replace seals if damage is detected.
To purchase more similar filter models or inquire about customization, please contact Ayater Filtration. Available models include:
Housing Models: HZ9901E32XW1, HZ9901E32VW1, HZ9901G32XW1, HZ9901G32VW1
Filter Element Models: HC9901F3939 (with fluorocarbon seals), HC9901H3939 (with nitrile seals)
Differential Pressure Indicator Models: RCZ090Z (A218M, A218R, A219D, 778N, 861C, 771B options)
Blanking Plug: HC9000A104Z (for use without a differential pressure indicator)
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