Manufacturer: Bosch Rexroth
Material #: R928016679
Model : 16.7500/S PWR20-S00-0-M
***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
The Bosch Rexroth 16.7500/S PWR20-S00-0-M (R928016679) is a high-quality filter element designed for critical filtration applications. This filter element is engineered to purify hydraulic fluids, lubricants, industrial fluids, and gases within hydraulic systems and various other applications. It features a starlike pleated glass fiber material known for its excellent dirt holding capacity and low initial pressure drop, which ensures efficient operation and longevity of the system it serves.
The filter media is carefully constructed around a perforated support tube, with both ends securely glued to end disks to maintain structural integrity under varying pressures. Seal rings are also incorporated to provide an effective seal between the filter element and housing, preventing any bypass or leakage. The use of advanced glass fiber material allows for achieving oil cleanliness classes up to ISO standards, making it suitable for protecting sensitive components such as servo valves, high-response valves, proportional valves, and general pumps and valves.
This Bosch Rexroth filter element boasts a filtration ratio that guarantees a high retention rate for contaminants. Its robust design can withstand collapse pressure ratings ranging from... bar while maintaining a consistent pressure differential of... bar across the filter media. It has been optimized for use in return flow or pressure filters with an operating temperature range extending from...°C.
In summary, the Bosch Rexroth 16.7500/S PWR20-S00-0-M (R928016679) represents a reliable solution for maintaining system cleanliness and protecting critical components in demanding industrial environments where filtration performance cannot be compromised.
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The filter element is the central component of a filter for industrial and mobile area. The actual filtration process takes part in the filter element. The main filter variables, such as retention capacity, dirt holding capacity and pressure loss are determined by the filter elements and the filter media used in them. Rexroth filter elements are used for the filtration of hydraulic fluids in the hydraulic system as well as for the filtration of lubricants, industrial fluids and gases.
Filter elements consist of a combination of star-like pleated filter media (3) which are laid around a perforated support tube (2). Support tube and filter element mat are glued to both end disks (1). Seal rings are provided between the filter element and the filter housing as a sealing.
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Glass fiber material, H...XL |
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Oil cleanliness class |
to be achieved with filter |
Hydraulic system |
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βx(c) = 200 |
Material |
possible arrangement |
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10/6/4 ‒ 14/8/6 |
1 μm |
Glass fiber material, H...XL |
Return flow or pressure filter |
Special application |
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13/10/8 ‒ 17/13/10 |
3 μm |
Servo valves |
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15/12/10 ‒ 19/14/11 |
6 μm |
High-response valves |
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17/14/10 ‒ 21/16/13 |
10 μm |
Proportional valves |
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19/16/12 ‒ 22/17/14 |
20 μm |
Pumps and valves in general |
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Filter medium |
Oil cleanliness class |
to be achieved with filter |
Hydraulic system |
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βx(c) = 200 |
Material |
Version |
possible arrangement |
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G10 |
20/18/13 ‒ 21/20/15 |
10 μm |
Stainless steel wire mesh, G... |
Special Dutch weave |
Return flow, pressure or suction filter |
For existing systems (hydraulics) and as protective filter (G10, G25)For fluids such as:LubricantsPetrochemical productsWaterCoolants/thermal oils |
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G25 |
Cannot be used for wire mesh > 10 µm |
25 μm |
Woven roving |
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G40 |
40 μm |
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G60 … G100 |
60 μm … 100 μm |
Plain cloth |
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Filter medium |
Oil cleanliness class |
to be achieved with filter |
Hydraulic system |
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Filtration ratio β values 1) |
Retention rate with 10 μm 1) |
Material |
possible arrangement |
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P10 |
20/19/14 ‒ 22/20/15 |
β10(c) > 2,0 |
50 % |
Paper P... |
Return flow or pressure filter |
For existing systems |
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P25 |
21/20/15 ‒ 22/21/16 |
β10(c) > 1,25 |
25 % |
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1) |
according to ISO 16889 |
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Attainable filtration ratio βx(c) (β value) |
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Typical β values of up to 2.2 barΔp pressure increase at the filter element 1) |
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Filter medium |
Particle size “x” for different β values, measurement according to ISO 16889 |
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βx(c) ≤ 75 |
βx(c) ≤ 200 |
βx(c) ≤ 1000 |
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H1XL |
< 4,0 μm(c) |
< 4,0 μm(c) |
< 4,0 μm(c) |
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H3XL |
4,0 μm(c) |
< 4,5 μm(c) |
5,0 μm(c) |
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H6XL |
4,8 μm(c) |
5,5 μm(c) |
7,5 μm(c) |
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H10XL |
6,5 μm(c) |
7,5 μm(c) |
9,5 μm(c) |
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H20XL |
18,5 μm(c) |
20,0 μm(c) |
22,0 μm(c) |
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1) |
Filtration ratio βx(c) for other filter media upon request |
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Filtration ratio ßx(c) dependent on particle size μm(c)
Dirt holding capacity
Compared to conventional filter media with single layer technology, the H...XL filter material features a high dirt holding capacity because it is made of two separate filter layers connected in series.
Superior dirt holding capacity of H...XL filter elements
Filter variables
Filter rating and attainable oil cleanliness
The main goal when using industrial filters is not only the direct protection of machine components but to attain the required oil cleanliness.
Oil cleanliness is defined on the basis of oil cleanliness classes which classify how the amount of particles of the existing contamination is distributed in the operating liquid.
Filtration performance
Filtration ratio ßx(c) (ß value)
The retention capacity of hydraulic filters with regard to the contamination in a hydraulic system is characterized by the filtration ratio βx(c). This variable is therefore the most important performance characteristic of a hydraulic filter. It is measured in the multipass test, and is the average value of the specified initial and final pressure differential according to ISO 16889 using ISOMTD test dust.
The filtration ratio βx(c) is defined as the ratio of the particle count of the respective particle size on both sides of the filter.
Dirt holding capacity
It is also measured using the multipass test and determines the amount of test dust ISOMTD which is fed to the filter medium until a certain pressure differential increase has been reached.
Pressure loss (also pressure differential or delta p)
The pressure loss of the filter element is the relevant characteristic value for the determination of the filter size. These are recommended values of the filter manufacturer or specifications by the filter user. This characteristic value depends on many factors. Mainly: the rating of the filter medium, its geometry and arrangement in the filter element, the filter area, the operating viscosity of the fluid and the flow.
The term “delta p” is often also expressed with the symbol: “Δp”.
When dimensioning the complete filter with filter element, an initial pressure loss is determined which must not be exceeded by the new filter element state on the basis of the aforementioned conditions. The size design of a Rexroth filter element and new complete filter by means of initial Δp or pressure loss may be comfortably completed using our online design software “BOSCH REXROTH FILTERSELECT”.
The following diagram shows the typical press loss behavior of filter elements with different material fineness at different flows for a viscosity of 30 mm2/s.
The diagram shows the typical pressure loss behaviour of filter elements with different filter media at different flow rates.
