Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 9: Inlet and outlet anti-drain valve tests

ISO 4548-9:2007 specifies methods of measuring the effectiveness of either inlet or outlet anti-drain valves if fitted to a full-flow lubricating oil filter of the "spin-on" or "easy change" type, for internal combustion engines.

Méthodes d'essai des filtres à huile de lubrification à passage intégral pour moteurs à combustion interne — Partie 9: Essais des clapets antiretours aval et amont

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Status
Published
Publication Date
29-Jan-2008
Current Stage
9093 - International Standard confirmed
Start Date
20-Jun-2011
Completion Date
26-Jul-2022
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INTERNATIONAL ISO
STANDARD 4548-9
Second edition
2008-02-01
Methods of test for full-flow lubricating oil
filters for internal combustion engines —
Part 9:
Inlet and outlet anti-drain valve tests
Méthodes d'essai des filtres à huile de lubrification à passage intégral
pour moteurs à combustion interne —
Partie 9: Essais des clapets antiretours aval et amont
Reference number
ISO 4548-9:2008(E)
ISO 2008
---------------------- Page: 1 ----------------------
ISO 4548-9:2008(E)
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© ISO 2008

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ii © ISO 2008 – All rights reserved
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ISO 4548-9:2008(E)
Contents Page

Foreword............................................................................................................................................................ iv

Introduction ........................................................................................................................................................ v

1 Scope ..................................................................................................................................................... 1

2 Normative references ........................................................................................................................... 1

3 Terms and definitions........................................................................................................................... 1

4 Principle................................................................................................................................................. 1

4.1 Inlet and anti-drain valve...................................................................................................................... 1

4.2 Outlet anti-drain valve .......................................................................................................................... 1

5 Test rigs ................................................................................................................................................. 1

6 Test liquid .............................................................................................................................................. 2

7 Test liquid .............................................................................................................................................. 2

7.1 General................................................................................................................................................... 2

7.2 Inlet anti-drain valve — Test A: Basic performance test .................................................................. 2

7.3 Inlet anti-drain valve — Test B: Basic and supplementary performance test................................ 3

7.4 Outlet anti-drain valve — Test A: Basic performance test ............................................................... 4

7.5 Outlet anti-drain valve — Test B: Basic and supplementary performance test............................. 5

8 Test report ............................................................................................................................................. 6

Bibliography ..................................................................................................................................................... 10

© ISO 2008 – All rights reserved iii
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ISO 4548-9:2008(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies

(ISO member bodies). The work of preparing International Standards is normally carried out through ISO

technical committees. Each member body interested in a subject for which a technical committee has been

established has the right to be represented on that committee. International organizations, governmental and

non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the

International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.

International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.

The main task of technical committees is to prepare International Standards. Draft International Standards

adopted by the technical committees are circulated to the member bodies for voting. Publication as an

International Standard requires approval by at least 75 % of the member bodies casting a vote.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent

rights. ISO shall not be held responsible for identifying any or all such patent rights.

ISO 4548-9 was prepared by Technical Committee ISO/TC 70, Internal combustion engines, Subcommittee

SC 7, Tests for lubricating oil filters.

This second edition cancels and replaces the first edition (ISO 4548-9:1995), of which it constitutes a minor

revision.

ISO 4548 consists of the following parts, under the general title Methods of test for full-flow lubricating oil

filters for internal combustion engines:
⎯ Part 1: Differential pressure/flow characteristics
⎯ Part 2: Element by-pass valve characteristics
⎯ Part 3: Resistance to high differential pressure and to elevated temperature

⎯ Part 4: Initial particle retention efficiency, life and cumulative efficiency (gravimetric method)

⎯ Part 5: Cold start simulation and hydraulic pulse durability test
⎯ Part 6: Static burst pressure test
⎯ Part 7: Vibration fatigue test
⎯ Part 9: Inlet and outlet anti-drain valve tests
⎯ Part 11: Self-cleaning filters

⎯ Part 12: Filtration efficiency using particle counting, and contaminant retention capacity

iv © ISO 2008 – All rights reserved
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ISO 4548-9:2008(E)
Introduction

The ISO 4548 series establishes standard test procedures for measuring and performance of full-flow

lubricating oil filters for internal combustion engines. It has been prepared in separate parts, each part relating

to a particular performance characteristic.

Together the tests provide the information necessary to assess the characteristics of a filter, but if agreed

between the purchaser and the manufacturer, the tests can be conducted separately.

© ISO 2008 – All rights reserved v
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INTERNATIONAL STANDARD ISO 4548-9:2008(E)
Methods of test for full-flow lubricating oil filters for internal
combustion engines —
Part 9:
Inlet and outlet anti-drain valve tests
1 Scope

This part of ISO 4548 specifies methods of measuring the effectiveness of either inlet or outlet anti-drain

valves if fitted to a full-flow lubricating oil filter of the “spin-on” or “easy change” type, for internal combustion

engines.
2 Normative references

The following referenced documents are indispensable for the application of this document. For dated

references, only the edition cited applies. For undated references, the latest edition of the referenced

document (including any amendments) applies.

ISO 4548-1, Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 1:

Differential pressure/flow characteristics
3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 4548-1 apply.

4 Principle
4.1 Inlet and anti-drain valve

Assessment of the capability of the inlet anti-drain valve to prevent oil contained in the filter from draining out

of the inlet when the engine is stopped.
4.2 Outlet anti-drain valve

Assessment of the capability of the outlet anti-drain valve to prevent oil contained in the filter from draining out

the outlet when the engine is stopped.
5 Test rigs

Suggested test rigs are shown diagrammatically in Figures 1 to 3. Figures 1 and 2 are simplified rigs for basic

tests. Figure 3 is a more complicated rig involving the means to raise and lower the header tank at a fixed

speed of 0,5 m/min between a 0 mm and a 1 500 mm head from the test block. This shall be used only if

opening pressures and flow/pressure drop data are required.
© ISO 2008 – All rights reserved 1
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ISO 4548-9:2008(E)
[1]

NOTE Graphical symbols used in Figures 1 to 3 are in accordance with ISO 1219-1 .

The test rig shall comprise the following components together with necessary tubing, connectors and

supports:
a) oil reservoir;
b) pump (vane type recommended);
c) screen filter;
d) stopcocks (see Figures 1 to 3);
e) 3-way valves (see Figures 1 to 3);
f) test mounting block;
g) header tank (e.g. a separating funnel);
h) measuring cylinders;
i) stopwatch or clock (not shown).

If it is required to carry out all tests specified in this part of ISO 4548, then a single test rig incorporating the

features of Figures 1 to 3 may be used.
6 Test liquid
1) 2

The test liquid shall be mineral oil that has a kinematic viscosity of 8 mm /s ± 2 mm /s at 20 °C (viscosity

[2]
class ISO VG 5 ).
7 Test liquid
7.1 General

Two test procedures for both inlet and outlet anti-drain valves are described. Test A covers the essential basic

performance of the valve in terms of its function as an anti-drain feature. Test B covers the basic performance

test and additional procedures suggested to ascertain supplementary performance data which may be

required.
7.2 Inlet anti-drain valve — Test A: Basic performance test

7.2.1 An example of the apparatus required for this test is shown in Figure 1. The individual elements of

Figure 1, where referenced in 7.2.2 to 7.2.13 by number, are given in bold typeface inside parentheses.

7.2.2 If the filter incorporates an outlet anti-drain valve then, prior to testing, this valve should be locked

open by a suitable means, to permit entry of oil on the outlet side of the filter.

7.2.3 Carry out the test at an ambient temperature of 25 °C ± 5 °C.

7.2.4 Fit the test mounting block (6) into the test right in an inverted position (i.e. 180° from the position

shown in Figure 1).
1) 1 mm /s = 1 cSt.
2 © ISO 2008 – All rights reserved
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ISO 4548-9:2008(E)

7.2.5 Assemble the filter to be tested on the mounting block using a suitable gasket to prevent leakage

through the thread.

If the object of this test is to assess the performance of the valve only and not the integrity of the filter

assembly as a whole, the potential leak path between the threaded mounting
...

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