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Product catalog summary

Introduction
OFP, OFMT, and OFRT filters are designed for hydraulic systems to remove particulate contaminants, enhancing system performance and extending component life. OFP filters are for pressure lines, OFMT for return lines, and OFRT for return lines with options for semi or full immersion in reservoirs.

Specifications and Features
These filters offer various element choices, port sizes, bypass valves, and pressure indicators. They comply with ISO 4572 standards and are rated for cleanliness levels per ISO 4406. Key features include high dirt-holding capacity, low pressure drop, flexible design options, and ISO standard compliance.

Filter Model Codes
Model codes detail element condition indicators, port options, micron ratings, element series, filter series, bowl length, bypass valve presence, and seal types. Options include visual and electrical indicators, various port sizes, and different micron ratings for elements.

Replacement Element Model Codes
Replacement elements are coded by seals, micron rating, collapse pressure, and nominal filter size, compatible with various filter housings.

Selection and Installation
Guidelines for selecting and installing OFP, OFMT, and OFRT filters include flow rate recommendations and pressure drop considerations. Designed for use with mineral oil, they have specific pressure drop limits for housing and elements.

Pressure Drop and Performance
Pressure drop data is provided for different element types and configurations, with recommendations based on oil viscosity and density. Bypass valves manage pressure surges and prevent element collapse.

Conclusion
Vickers filters offer a comprehensive solution for contamination control in hydraulic systems, with a range of options to suit different applications and requirements.

Specifications
OFRT return line filters are compatible with various fluids, including petroleum oil, water glycol, oil-in-water, and water-in-oil. They are based on mineral oil with a kinematic viscosity of 30 mm²/s (cSt). The pressure drop across the filter element starts to open at 1.75 bar (25 psi) due to factors like flow surges and high viscosity oil.

Filter Model Codes
OFRT filters come in nominal sizes: 100, 250, 630, and 850, with bowl lengths from 1 to 4. They include options for integral bypass valves, diffusers, air breathers, and seals, using various port codes for thread and flange connections.

Element Types and Ratings
Filter elements are available in different micron ratings: A06 (6 micron), A10 (10 micron), P10 (10 micron nominal), and P25 (25 micron nominal), designed for specific filter series and nominal sizes.

Flow Rate and Pressure Drop
Detailed flow rate and pressure drop data are provided for different filter sizes and configurations, with flow rates in L/min and USgpm, and pressure drops specified for both housing and bypass valve conditions.

Installation and Dimensions
Installation guidelines include dimensions for various filter sizes and configurations, with detailed measurements for tank machining with and without diffusers, specifying required holes and connections.

Recommendations
For optimal performance, use mineral oil at the specified viscosity and adhere to maximum pressure drop limits. Consult pressure drop curves for precise filter assembly pressure drop information.

Specifications and Parameters
Detailed specifications for various filter elements include dimensions and flow rates for models such as FT100, FT250, FT630, and FT850, with measurements in metric and imperial units. Pressure drop is based on mineral oil with a kinematic viscosity of 30 mm²/s, varying proportionally with viscosity.

Procedures and Recommendations
The document outlines a systemic approach to contamination control in hydraulic or oil-lubricated machines, emphasizing setting a target cleanliness level, selecting appropriate filters, and monitoring the system to maintain cleanliness, aiming to reduce hydraulic system failures and improve performance, component life, and uptime.

Contamination Control Strategy
Set a Target Cleanliness Level: Use the Vickers Target Cleanliness Worksheet to determine the target ISO Cleanliness Level based on application components and system dynamics.
Select Filters: Choose high-efficiency filters and replacements to achieve the target cleanliness level, considering location and sizing options.
Monitor the System: Utilize the Vickers Fluid Analysis Laboratory and Target-Pro Portable Particle Counter to report fluid cleanliness and ensure the system operates with clean fluid.

Supporting Literature
The document references supporting materials, including guides on reservoir vent filters, differential pressure indicators, portable filtering transfer carts, fluid analysis services, and alternative fluids, mentioning standards for stationary industrial machinery.

Contact Information
Contact details for Eaton Corporation in the USA, Germany, and Australia are provided, including addresses, phone numbers, and fax numbers.

Catalog excerpts

Introduction Description Features and Benefits OFP filters are designed for pressure line applications and are suitable for in-line installation. OFMT filters are designed for return lines and are installed semi-immersed in a reservoir. OFRT filters are also designed for return lines and are installed semi-immersed or totally immersed in a reservoir. All remove particulate contaminants from the fluid, thus improving performance and reliability of system components while extending their service life. D High efficiency filter elements with superior dirt-holding capacity. D Excellent pressure drop...

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Contents OFP Pressure Line Filters (420 bar & 450 L/min max.) Filter Model Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Replacement Element Model Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 OFP065...

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OFP Filter Model Codes OFP 065 - 1 B A G5 A03 N V7 1 1 Filter series OFP – Pressure line filter 2 Nominal filter size 065 135 320 321 325 2 6 3 4 Ports code* G1 G2 G3 G4 G5 G6 OFP065 OFP135 OFP320 OFP321 OFP325 4 = = = = = 1, 2, 3 1, 2 1, 2, 3, 4 1, 2, 3, 4 1, 2, 3, 4 – F2 – F3 – F4 – – F6 – Integral bypass valve S – Without bypass valve B – With bypass valve 7 8 9 Nominal filter size 065 1/2” BSP 3/4” BSP 1/2” NPT 3/4” NPT SAE 8 SAE 12 F5 Bowl length 6 Port options F1 3 5 135 3/4” BSP 1” BSP 3/4” NPT 1” NPT SAE 12 SAE 16 3/4” SAE/M 3000 psi 1” SAE/M 3000 psi 3/4” SAE/UNC 3000 psi 1” SAE/UNC...

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OFP Replacement Element Model Codes FP 065 - 1 A A03 N 1 1 Element series FP – Element for pressure line filter 2 3 4 5 6 Seals A – Nitrile (Buna-N) V – Viton Nominal filter size 065 135 320 3 4 2 Micron rating A03 – 3 micron A06 – 6 micron A10 – 10 micron A25 – 25 micron 5 Filter bowl length OFP065 = 1, 2, 3 OFP135 = 1, 2 OFP320 = 1, 2, 3, 4 6 Element collapse pressure N – 20 bar (300 psi) H – 210 bar (3000 psi) Note: FP320 elements are used in the OFP320, OFP321 and OFP325 housings. 5

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OFP Specifications Flow rate OFP065: OFP135: OFP320/321: OFP325: See See See See page page page page Material Head: Bowl: Element media: Seals: 7. 8. 10. 12. Element collapse pressure N element: 20 bar (300 psi) H element: 210 bar (3000 psi) Filter body Max. pressure: Test pressure: Min. burst press: Fatigue test: 420 bar (6090 psi) 630 bar (9135 psi) 1250 bar (18,125 psi) Body subjected to pressure impulses from 0 to 420 bar (0 to 6090 psi) will withstand one million cycles. Element condition indicators Indicator differential pressure setting: 5 bar (75 psi) 10%. K7 & N7 INDICATORS Max. voltage:...

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OFMT Model Codes Filters: OFMT 020 - 1 S A G5 A03 N B T H20 1 1 Filter series 2 6 3 4 Nominal filter size 020 100 3 Bowl length OFMT-020 = 1, 2, 3 OFMT-100 = 1, 2, 3 6 7 8 Port options OFMT – Return line filter 2 5 Ports code* G1 G2 G3 G4 G5 G6 G7 G8 G9 5 Seals A – Nitrile (Buna-N) V – Viton† 020 3/8” BSP 1/2” BSP – 3/8” NPT 1/2” NPT – SAE 6 SAE 8 – 100 3/4” BSP 1” BSP 1-1/4” BSP 3/4” NPT 1” NPT 1-1/4” NPT SAE 12 SAE 16 SAE 20 Element series (collapse pressure) N – 3 bar (45 psi), P10 element only H – 10 bar (150 psi), A** element only – Omit for housing only. Replacement elements: Element series...

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OFMT Specifications Flow rate OFMT020: OFMT100: See pages 17. See pages 18. Element collapse pressure N element: 3 bar (45 psi) H element: 10 bar (150 psi) Filter body Max. pressure: Test pressure: Min. burst press: Fatigue test: Material Head: Cover & bowl: Element media: Seals: 7 bar (100 psi) 10 bar (150 psi) 20 bar (300 psi) Body subjected to pressure impulses from 0 to 7 bar (0 to 100 psi) will withstand one million cycles. Die cast aluminum Nylon Glass microfiber or resinĆimpregnated paper Nitrile (BunaĆN) Viton Bypass valve Valve starts to open when pressure drop across filter element...

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OFRT Filter Model Codes OFRT 100 - 1 C D M A G7 P10 T 1 1 Filter series OFRT – Return line filter 2 8 3 4 5 6 7 8 10 9 Port options Nominal filter size 3 Bowl length OFRT-100 OFRT-250 OFRT-630 OFRT-850 = = = = 1, 2, 3, 4 1, 2, 3, 4 1, 2, 3, 4 1, 2, 3, 4 630 ‡ – 850 ‡ – 1” BSP 1-1/2” BSP 1-1/4” BSP – – G3 G4 100 250 630 850 250 ‡ 1-1/2” BSP G2 Nominal filter size 100 3/4” BSP 1-1/4” BSP 3/4” NPT – – – G5 1” NPT 1-1/2” NPT 1-1/4” NPT – – – G6 G7 1-1/4” NPT SAE 12 – SAE 24 – – – – G8 SAE 16 SAE 24 SAE 20 – – G9 2 Ports code † G1 SAE 20 – – – 1-1/2” BSP – Integral bypass valve F1 – 1-1/2” SAE/M 2-1/2”...

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OFRT Replacement Element Model Codes FT 100 - 1 P10 A 1 1 3 Element series FT – Element for return line filter 2 Nominal filter size 100 250 630 850 2 3 4 5 Filter bowl length OFRT-100 OFRT-250 OFRT-630 OFRT-850 = = = = 1, 2, 3, 4 1, 2, 3, 4 1, 2, 3, 4 1, 2, 3, 4 5 Seals A – Nitrile (Buna-N) 4 Element type and micron rating Glass microfiber element: A06 – 6 micron A10 – 10 micron ResinĆimpregnated paper element: P10 – 10 micron (nominal) P25 – 25 micron (nominal) OFRT Specifications Flow rate OFRT100: OFRT250: OFRT630: OFRT850: See See See See page page page page 23. 25. 27. 29. Element collapse...

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Contamination Control The Systemic Approach to Contamination Control For a hydraulic or oil lubricated machine, the development of a target cleanliness level and the plan to achieve it is as much a part of system design as the selection of the pump, valves, actuators or bearings. Proper selection and placement of contamination control devices in a system to attain the targeted cleanliness eliminates up to 80% of hydraulic system failures. Additionally, the system cleanliness approach assures the user of the hydraulic system a cost effective approach to contamination control that allows the price...

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