KNOWLEDGE CENTER · ENGINEERING DIAGRAMS
Engineering Diagrams
Standards-accurate engineering diagrams covering ISO 16889 test circuits, ISO 4406 cleanliness scales, hydraulic contamination paths, lubrication oil circuits, fuel filtration stages, compressed air treatment trains, and particle wear mechanisms. Each diagram is governed by the applicable industrial standard and linked to related engineering articles.
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DIAGRAMS
ISO 16889 Multi-Pass Filter Test Circuit
Documents the standardised test circuit for determining filter efficiency (Beta ratio) and dirt-holding capacity under ISO 16889. The multi-…
Beta Ratio Measurement — Upstream / Downstream Particle Count
Illustrates the fundamental principle of the Beta ratio (filtration ratio) as defined in ISO 16889. Upstream particles of all sizes enter th…
ISO 4406 Fluid Cleanliness Code Scale
Provides a visual reference for interpreting ISO 4406 cleanliness codes. The three-number code (e.g. 17/15/12) represents particle count ran…
Hydraulic System Contamination Ingression Paths
Maps the three fundamental contamination sources that govern hydraulic fluid cleanliness. Built-in contamination enters at assembly and cann…
Air Intake Filtration System Flow Diagram
Illustrates the staged protection strategy used in applicable engine-air intake systems. Pre-cleaning, primary filtration, safety-element pr…
Engine Lube Oil Filtration Circuit — Full-Flow with Bypass Valve
Documents a representative full-flow engine lubrication circuit with pump, filter, bypass protection and oil distribution to lubricated comp…
3-Stage Diesel Fuel Filtration System for HPCR Engines
Illustrates how diesel-fuel protection can be staged ahead of precision injection components. The exact number of stages, particle ratings, …
Filter Differential Pressure vs Service Life Curve
Documents the ΔP vs service life relationship that governs filter replacement intervals. The curve starts low (clean element initial resista…
Compressed Air Treatment Train — ISO 8573-1 Purity Classes
Illustrates a representative compressed-air treatment sequence and the distinct control of particles, water and oil. ISO 8573 provides the c…
Particle Wear Mechanisms in Lubricated Systems
Provides a mechanistic view of abrasive, three-body and adhesive wear in lubricated and hydraulic interfaces. The particle size that becomes…
Filter Element Media Cross-Section
Illustrates the layered construction of a modern multi-layer filter element and how particle capture efficiency arises from depth filtration…
ISO 8573-1 Compressed Air Purity Classes
Provides a visual reference for ISO 8573-1 purity class selection in compressed air system design. Engineers select the appropriate class fo…
Service Interval Planning Decision Flow
Documents the ISO 3724/SAE J1299 service interval calculation method as a decision flow so engineers can systematically derive replacement i…
Cabin Air Filtration System — ISO 11155
Documents the filtration stages in a compliant cabin air system under ISO 11155. Operators in construction, agriculture, and mining environm…
Water Contamination Ingress Pathways — Diesel Fuel Systems
Identifies and maps the five primary water ingress mechanisms in diesel fuel and hydraulic reservoirs to enable targeted prevention design. …