Idea Transcript
ISO Codes - and Standards
ISO Solid Contamination Code Session Objectives
Understanding the Need for a Rating System
Understanding ISO Ratings
Determination of a System’s Cleanliness Level
Recommending Cleanliness Levels
Cl Cleanliness li L Levell R Rating ti
Needed to be Established to Better Satisfy Industry Needs – –
To Accurately Determine How Much Particulate is in a System To Provide a Basis for Selecting Optimum Contamination Control for any System
Was Established by the International Standards Organization (ISO) –
Identified Id tifi d as the th ISO Solid S lid C Contamination t i ti C Code d (ISO Standard No. 4406:1999)
ISO 4406: Allocation of Scale Numbers
ISO Cleanliness Standard 4406 No. of Particles per 100 ml of Fluid More than Up to and Including 8,000,000 16,000,000 4,000,000 8,000,000 2,000,000 4,000,000 1,000,000 2,000,000 500,000 1,000,000 250,000 500,000 130,000 250,000 64 000 64,000 130 000 130,000 32,000 64,000 16,000 32,000 8 000 8,000 16 000 16,000 4,000 8,000
ISO Range Number 24 23 22 21 20 19 18 17 16 15 14 13
No. of Particles per 100 ml of Fluid More than 2,000 1,000 500 250 130 64 32 16 8 4 2 1
Up to and Including 4,000 2,000 1,000 500 250 130 64 32 16 8 4 2
ISO Range Number 12 11 10 9 8 7 6 5 4 3 2 1
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ISO Contamination C t i ti Level L l Code C d Based on Amount of Contaminant in 100 ml of Fluid Sample in Three Size Ranges
Number of Particles 4(c) Microns in Size Number of Particles 6(c) Microns in Size Number of Particles 14(c) Microns in Size
ISO 4406 – Graph of Code Number Source: Figure A.1 ISO 4406: 1999
Sample Size
Sample Size = 100 Milliliters of Fluid
Determining the ISO Rating
Example: p If a Fluid Having: Particles 4(c) Microns –22,000 22 000 Particles 6(c) Microns – 3,000 Particles 14(c) Microns –70,000
The Corresponding ISO Rating is 17/15/12
Determining the ISO Rating of a Fluid Sample Fluid (100 ml)
Particle Size No. of Particles >4 µ 70,000 >6 µ 22,000 >14 µ 3 000 3,000 >20 µ 600 >30 µ 130
If Particle Count Falls Between:
Range No. is:*
64,000 - 130,000
17
16,000 , -32,000 ,
15
2,000 - 4,000
12 *S *Source: ISO/DIS 4406
The Sample Fluid is This presentation is property of Schroeder Industries LLC and can not be used without express permission. ISO 17/15/12
How do we measure fluid contamination? Structure of ISO ISO-Code: Code: amount of dirt particles in a 100 ml sample larger than these specified sizes: 4µm / 6µm / 14µm
22
E Example: l larger than 4µm = 2,234,000
This presentation Industries LLC and can not be used without express permission. 22 / of Schroeder ISO Code is= property / /
How do we measure fluid contamination? Structure of ISO ISO-Code: Code: amount of dirt particles in a 100 ml sample larger than these specified sizes: 4µm / 6µm / 14µm
22
18
E Example: l larger than 4µm = 2,234,000 larger than 6µm = 172 172,000 000
This presentation Schroeder Industries LLC and can not be used without express permission. 22 / of18 ISO Code is= property /
How do we measure fluid contamination? Structure of ISO ISO-Code: Code: amount of dirt particles in a 100 ml sample larger than these specified sizes: 4µm / 6µm / 14µm
E Example: l
22
18
13
larger than 4µm = 2,234,000 larger than 6µm = 172 172,000 000 larger than 14µm = 4,250
This presentation Schroeder 22 / of18 ISO Code is= property / 13 Industries LLC and can not be used without express permission.
How do we measure fluid contamination? Structure of ISO ISO-Code: Code: amount of dirt particles in a 100 ml sample larger than these specified sizes: 4µm / 6µm / 14µm
E Example: l
22
18
13
larger than 4µm = 2,234,000 larger than 6µm = 172 172,000 000 larger than 14µm = 4,250
This presentation Schroeder 22 / of18 ISO Code is= property / 13 Industries LLC and can not be used without express permission.
How Do We Measure Fluid Contamination? Structure of NAS 1638 Class
5-15 5 15 µm
15-25 15 25 µm
25-50 25 50 µm
50-100 50 100 µm
> µm
00
125
22
4
1
0
0
250
44
8
2
0
1
500
89
16
3
1
2
1000
178
32
6
1
3
2000
356
63
11
2
4
4000
712
126
22
4
5
8000
1425
253
45
8
6
16000
2850
506
90
16
7
32000
5700
1012
180
32
8
64000
11400
2025
360
64
9
128000
22800
4050
720
128
10
256000
45600
8100
1440
256
11
51200
91200
16200
2880
512
12
1024000
182400
32400
5760
1024
max. amount of dirt particles in 100ml at given size
New Oil Classifications ISO 16/14/11
ISO 17/15/13
Demanded by y Modern Hydraulic Systems
New Oil as Delivered in Minicontainer
ISO 20/18/15
ISO 23/21/18
New Oil as D li Delivered d iin Tanker
New Oil as Delivered in Barrels
Controlling Water Content Saves Money! 120
Be earing Life
100 80 60 40 20 0 Source: Machine Design, “How dirt and water effect bearing life“, July 1996
ppm of water in oil
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Required New Machine Cleanliness Fluid Cleanliness C & Service S Life f Current
Target
Target
Target
Target
22/19
19/16
18/15
17/14
16/13
21/18
18/15
17/14
16/13
15/12
20/17
17/14
16/13
15/12
14/11
19/16
16/13
15/12
14/11
13/10
18/15
15/12
14/11
13/10
12/9
17/14
14/11
13/10
12/9
12/8
2X
3X
4X
5X
Cleanliness
Life Ext. Factor
This presentation is property of Schroeder Industries LLC and can not be used without express permission.
ISO Cleanliness Level Correlation Table ISO Code
Mil Std 1638 (1967)
Mil Std 1246A (1967)
ACFTD Gravimetric Level – mg/L
Disavowed SAE Level
21/19/16 10 20/18/15 9 6 19/17/14 8 300 5 18/16/13 7 1 4 17/15/12 6 3 16/14/12 200 16/14/11 5 2 15/13/10 4 .1 1 14/12/9 3 0 13/11/8 2 12/10/8 100 12/10/7 1 12/10/6 .01 This presentation is property of Schroeder Industries LLC and can not be used without express permission. 11/9/6 0
Recommended Cleanliness Levels ISO Codes for Fluid Power Components Component Gear Pump Piston Pump/Motor Vane Pump Directional Control Valve Proportional Control Valve Journal Bearings Servo Valve New/Unused Oil
Cleanliness Level (ISO Code) 19/17/14 18/16/13 19/17/14 19/17/14 18/16/13 17/15/13 16/14/11 20/18/15
Cleanliness Levels Based on Pressure
System Type
Recommended Cleanliness Levels (ISO Code)
Low Pressure – manual control
20/18/15 or better
Low to Medium Pressure – electro-hydraulic controls
19/17/14 or better
High pressure - servocontrolled
16/14/111 or better
Recommended R d d Media M di to t Achieve A hi Desired D i d Cleanliness Based on Rate of Ingression g Desired ISO Level
Ingression Rate
Element Medium
20/18/15
High
Z25
19/17/14
Low
Z25
19/17/14
High
Z10
18/16/13
Low
Z10
18/16/13
High
Z5
15/13/10
Low
Z5
18/16/13
g High
Z3
15/13/10
Low
Z3
15/13/10
g High
Z1
14/12/9
Low
Z1
This presentation is property of Schroeder Industries LLC and can not be used without express permission.
Series “Z” Media Elements ISO Cleanliness L Level l
Schroeder Element M di Media
20/18/15 – 19/17/14
Z25
19/17/14 – 18/16/13
Z10
18/16/13 – 15/13/10
Z5
15/13/10 – 14/12/9
Z3
14/12/9 – 13/11/8
Z1
ISO Cleanliness Levels Cleanliness Code Chart 25 160000 24 80000 23 40000 22 20000 21 10000 20 5000 19 2500 18 1300 17 640 16 320 15 160 14 80 13 40 12 20 11 10 10 5 9 2.5 8 1.3 7 .60 6 .30 5 .15 4 .08 3 .04 2 .02 1
Cleanliness Code
20,000 15,000
10,000
5,000 4,000 3,000 2,000 1,500
1000
500 400 300 200 150
100
50 40 30 20 15
10
5 4 3 2 1.5
1
.5 .4 .3 .2 .15
.1
.01 1
2
4
5
6
10
15 14
20
25
Particle Size in Micrometers NEW SCALE OLD SCALE
30 35
40
45
50
Number of Partiicles Greater Th han Size Per Milliliter
20 14 12
100,000 50,000 40,000 30,000
Catalog Data Our current catalog shows Beta Ratios using b th the both th old ld and d the th new information. i f ti This allows direct comparisons with competitors whether they are showing efficiency based on new or old standards. See catalog for example.