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ARGO-HYTOS
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Product catalog summary

Overview
This document outlines the specifications and guidelines for ARGO-HYTOS suction and return filters, including clogging indicators, designed for hydraulic systems in both industrial and mobile applications.

Product Specifications

Suction Filters: Installed in the suction line of hydraulic pumps, available in models with flow rates from 30 to 650 l/min, featuring a filter fineness of 50 µm, compatible with mineral oil and biodegradable fluids, constructed with an aluminum alloy head and a polyamide bowl.
Return Filters: Used in return line circuits, supporting flow rates up to 120 l/min, with filter fineness ranging from 10 to 30 µm, also made with an aluminum alloy head and a polyamide bowl.

Key Features

Clogging Indicators: Available in electrical and optical forms to determine optimal filter maintenance timing.
Bypass Valve Settings: Suction filters have settings of 1.5 to 2.5 bar, while return filters operate at a maximum pressure of 10 bar.
Temperature Range: Effective operation between -30°C to +100°C, with temporary extremes of -40°C to +120°C.

Quality Assurance
Manufactured under strict quality controls in accordance with ISO standards, including ISO 2941, ISO 2942, ISO 2943, ISO 3968, ISO 16889, and ISO 23181, ensuring integrity, compatibility, and performance.

Ordering Information
Filters have specific ordering codes based on specifications like flow rate, connection thread, and filter fineness. Original spare parts, including filter elements and O-rings, are recommended to maintain functionality.

Filter Assembly Specifications
Filters are categorized by type, flow rate, connection thread, filter fineness, and bypass settings. Delivered with a plugged connection for a clogging indicator.

Diagrams and Performance Features
Includes diagrams illustrating pressure drop and filtration ratio, highlighting protection against wear and malfunction, and benefits of full-flow filtration.

Materials and Characteristics
Constructed from aluminum alloy and polyamide, compatible with mineral oil and biodegradable fluids, operating pressure up to 10 bar, designed for nominal flow rates up to 290 l/min.

Filter Features and Applications
Designed for hydraulic systems' return line circuits, providing protection against wear and malfunction, featuring a bypass valve, removable bowl, and extension pipe to prevent foaming.

Filter Elements and Maintenance
Utilizes star-shaped pleated materials for large surface areas, low pressure drop, and high dirt-holding capacities. Maintenance facilitated by a clogging indicator.

Performance Characteristics
Supports nominal flow rates up to 175 l/min for RFT 103 and 270 l/min for RFT 222, operating within a temperature range of -30°C to +100°C, handling viscosities up to 1200 mm²/s.

Maintenance and Accessories
Includes clogging indicators, extension pipes, and diffusers to enhance performance. Maintenance is signaled by clogging indicators.

Technical Characteristics
Operates within a temperature range of -30°C to +100°C, handling viscosity at nominal flow rate of less than 60 mm²/s, compatible with mineral oil and biodegradable fluids.

Catalog excerpts

We produce fluid power solutions Suction Filters Return Filters Clogging Indicators

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Products with these icons are specially made for: Industrial Applications Mobile Applications www.argo-hytos.com Subject to change · 0715 · EN

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Light Line Selection Chart Suction- and Return Filters Suction Filters / In-line mounting Type of filter Filter fineness Air breather (Ventilating filter) Clogging indicator with* plugged connection G¼ Bypass valve setting Return Filters / In-line mounting Type of filter max. Flow rate [l/min] Bypass valve setting [bar] Air breather (Ventilating filter) Clogging indicator with* plugged connection M12 x 1.5 Return Filters / Tank top mounting Type of filter max. Flow rate [l/min] Air breather (Ventilating filter) Clogging indicator Bypass valve setting Filter fineness available with or without...

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www.argo-hytos.com Subject to change · 0715 · EN

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Suction Filters SFL 025 · SFL 035 In-line mounting · Connection up to G¾ / -12 SAE · Nominal flow rate up to 40 l/min / 11 gpm Description Application To be installed in the suction line of the pumps of hydraulic systems resp. upstream of the charge pumps of hydrostatic drives. Filter maintenance By using a clogging indicator the correct moment for maintenance is stated and guarantees the optimum utilization of the filter life. Materials Filter head: Filter bowl: Seals: Filter media: Aluminium alloy Polyamide, GF reinforced NBR (FPM on request) Paper - cellulose web, impregnated with resin Accessories...

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Dimensions Connection G¼ for clogging indicator www.argo-hytos.com Subject to change · 0715 · EN

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Ordering Code Filter assembly Suction Filter, In-line Connection thread Filter fineness Bypass setting Filters delivered with plugged connection G ¼ for clogging indicator. Spare filter element Filter media Filter fineness Spare parts www.argo-hytos.com Subject to change · 0715 · EN Filter element The functions of the complete filters as well as the outstanding features of the filter elements assured by ARGO-HYTOS can only be guaranteed if original ARGO-HYTOS spare parts are used.

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Diagrams ∆p-curves for complete filters D1 Pressure drop as a function of the flow volume at ν = 35 mm2/s / ν = 162 SUS (0 = housing empty) Q [gpm] 5.3 Filter fineness curves Dx Filtration ratio β as a function of particle size x obtained by the Multi-Pass-Test according to ISO 16889 The abbreviations represent the following β-values resp. finenesses: Filtration ratio β for particles > x µm For EXAPOR®Light and Paper elements: 50 P Based on the structure of the filter media of the 50P paper elements, deviations from the printed curves are quite probable. For screen elements: 40S = screen material...

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Suction Filters SFL 040 · SFL 075 In-line mounting · Connection up to G1¼ / -20 SAE · Nominal flow rate up to 90 l/min / 24 gpm Description Application To be installed in the suction line of the pumps of hydraulic systems resp. upstream of the charge pumps of hydrostatic drives. Filter maintenance By using a clogging indicator the correct moment for maintenance is stated and guarantees the optimum utilization of the filter life. Materials Filter head: Filter bowl: Seals: Filter media: Aluminium alloy Polyamide, GF reinforced NBR (FPM on request) Paper - cellulose web, impregnated with resin Accessories...

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Dimensions Connection G¼ for clogging indicator www.argo-hytos.com Subject to change · 0715 · EN

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Ordering Code Filter assembly Suction Filter, In-line Connection thread Filter fineness Bypass setting Filters delivered with plugged connection G ¼ for clogging indicator. Spare filter element Filter media Filter fineness Spare parts Pos. Designation 1 Filter element The functions of the complete filters as well as the outstanding features of the filter elements assured by ARGO-HYTOS can only be guaranteed if original ARGO-HYTOS spare parts are used. www.argo-hytos.com Subject to change · 0715 · EN

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Diagrams ∆p-curves for complete filters D1 Pressure drop as a function of the flow volume at ν = 35 mm2/s / ν = 162 SUS (0 = housing empty) Q [gpm] Filter fineness curves Dx Filtration ratio β as a function of particle size x obtained by the Multi-Pass-Test according to ISO 16889 The abbreviations represent the following β-values resp. finenesses: Filtration ratio β for particles > x µm For EXAPOR®Light and Paper elements: 50 P Based on the structure of the filter media of the 50P paper elements, deviations from the printed curves are quite probable. For screen elements: 40S = screen material...

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Return Filters RFL 090 · RFL 100 In-line mounting · Connection up to G¾ / -12 SAE· Nominal flow rate up to 120 l/min / 32 gpm Description Application In the return line circuits of hydraulic systems. Filter maintenance By using a clogging indicator the correct moment for maintenance is stated and guarantees the optimum utilization of the filter life. Materials Filter head: Filter bowl: Seals: Filter media: Aluminium alloy Polyamide, GF reinforced NBR (FPM on request) EXAPOR®Light - inorganic multi-layer microfibre web Paper - cellulose web, impregnated with resin Accessories Electrical and optical...

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Dimensions Connections M 12 x 1.5 for clogging indicator Measurements Type www.argo-hytos.com Subject to change · 0715 · EN

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Ordering Code Order example: Filter assembly Return Filter, In-line Flow rate, max. Connection thread Filter fineness Bypass setting Filters delivered with plugged connection M12 x 1.5 for clogging indicator. Order example: Spare filter element 3 . 07 Filter media EXAPOR Light Filter fineness Filter element The functions of the complete filters as well as the outstanding features of the filter elements assured by ARGO-HYTOS can only be guaranteed if original ARGO-HYTOS spare parts are used. www.argo-hytos.com Subject to change · 0715 · EN

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