Edwards
EMF 20 Oil Mist Filter
Provisional entry — research in progress
This page was generated automatically from cited public sources and hasn't completed the full research pass yet. Every specification shown carries its source; more detail is added as research completes.
The Edwards EMF 20 Oil Mist Filter is an oil mist exhaust filter. The Edwards EMF 20 Oil Mist Filter has ISO KF25 (NW25) inlet and exhaust flanges. The Edwards EMF 20 Oil Mist Filter is suitable for Edwards rotary vane pumps up to E2M18.[1]
What it is
The EMF 20 oil mist filter is designed for use with Edwards RV12, E1M18, and E2M18 vacuum pumps. The filter assembly includes a KF25 (NW25) inlet and exhaust flange, a clamp, a centering ring, an O-ring, a NW25 to 3/4 BSP adapter, one oil element filter, and one odor element filter. The filter is rated for 99.999% efficiency under a DOP test and is azide proof.[1][3]
The EMF20 oil mist filter has an item number of A462-29-000. The body of the filter is made of a durable plastic. The white bottom half of the body is semi-transparent to allow monitoring of the oil level.[1][3]
How it works
Where it fits in the process flow
The EMF 20 is designed for use with Edwards RV12, E1M18, and E2M18 vacuum pumps. The filter is connected to the pump exhaust via a KF25 flange.[1]
Applications
The EMF 20 is suitable for all Edwards rotary vane pumps up to the E2M18 model. The filter provides protection from oil mist emissions as required by COSHH and other health and safety regulations.[1]
Why won't it start?
Documented failure modes, common issues, and field considerations.
- The oil element can become blocked, which opens an integral pressure relief valve.
What do the numbers mean?
Vacuum & pumping5
- Protection feature
- Integral pressure relief valve opens if the oil element becomes blocked[1]
Dimensions & facilities2
Configuration & options12
What does it need to run?
Site utility requirements, footprint, and infrastructure needed to install and operate this tool. Sourced from public records.
Where are the manuals?
Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.
Not publicly documented
Field notes
No research found yet — worked with this tool? Share what you know.
Frequently asked questions
Not publicly documented
The following facts about the EMF 20 Oil Mist Filter are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the EMF 20 Oil Mist Filter are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the EMF 20 Oil Mist Filter are on record.
Answerable by: an OEM product catalog or an engineer who ordered or specified the tool
The control-system platform and OS era of the EMF 20 Oil Mist Filter are not on record.
Answerable by: an engineer who operated it or OEM installation records
The process node or technology generation of the EMF 20 Oil Mist Filter is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No publicly documented compatible parts, consumables, or accessories for the EMF 20 Oil Mist Filter are on record.
Answerable by: an OEM parts catalog or a service engineer
Sources & citations
Sources (3)Every fact above is drawn from these public sources
- [1]idealvac.com — idealvac.comidealvac.com
- [2]Equipment inventory listing
- [3]idealvac.com — idealvac.comidealvac.com
Last updated Aug 20, 2026.
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