ASTM F1567-94(2019)

Standard Specification for Fabricated or Cast Automatic Self-Cleaning, Fuel Oil and Lubricating Oil Strainers

ABSTRACT
This specification covers the material, operating, and testing requirements for automatic or continuously self-cleaning strainers, or both, for use in fuel oil and lubricating oil systems and in any marine environment. The strainer may be either hydraulic, electric, or pneumatic operated, and is designed to operate under positive pressure, that is, on the discharge side of the pump. The strainers should operate at specified pressures, temperatures, shipboard environments, and self-cleaning rates. They shall also undergo flow capacity test, inclined flow capacity test, strength of internals test, and self-cleaning and filtration efficiency test.
SCOPE
1.1 This specification covers automatic or continuously self-cleaning automatic strainers, or both, for use in fuel and lubrication oil systems. The strainer is designed to operate under positive pressure (discharge side of the pump). Strainers manufactured to this specification are suitable for use in any marine environment.  
1.2 It is not the intent of this document to redefine existing filtration standards. The intent is to provide sound guidelines for purchasers and designers of lube oil and fuel oil systems. Nominal micron requirements and filter efficiencies shall be as agreed upon by the purchaser and manufacturer and stated in the purchase order document.  
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

• Status: Published
• Publication Date: 30-Apr-2019
• ICS: 21.260 - Lubrication systems
• Technical Committee: F25 - Ships and Marine Technology
• Drafting Committee: F25.11 - Machinery and Piping Systems

Relations

• Replaces: ASTM F1567-94(2013) - Standard Specification for Fabricated or Cast Automatic Self-Cleaning, Fuel Oil and Lubricating Oil Strainers
• Effective Date: 01-May-2019
• Refers: ASTM D3951-18(2023) - Standard Practice for Commercial Packaging
• Effective Date: 01-Oct-2023
• Refers: ASTM D3951-18 - Standard Practice for Commercial Packaging
• Effective Date: 01-May-2018
• Refers: ASTM D3951-15 - Standard Practice for Commercial Packaging
• Effective Date: 01-Dec-2015
• Refers: ASTM F1199-88(2015) - Standard Specification for Cast (All Temperatures and Pressures) and Welded Pipe Line Strainers (150 psig and 150°F Maximum)
• Effective Date: 01-May-2015
• Refers: ASTM D3951-10 - Standard Practice for Commercial Packaging
• Effective Date: 15-Aug-2010
• Refers: ASTM F1200-88(2010) - Standard Specification for Fabricated (Welded) Pipe Line Strainers (Above 150 psig and 150&#176F)
• Effective Date: 01-Mar-2010
• Refers: ASTM F1199-88(2010) - Standard Specification for Cast (All Temperatures and Pressures) and Welded Pipe Line Strainers (150 psig and 150&#176F Maximum)
• Effective Date: 01-Mar-2010
• Refers: ASTM F1200-88(2004) - Standard Specification for Fabricated (Welded) Pipe Line Strainers (Above 150 psig and 150&#176F)
• Effective Date: 01-Nov-2004
• Refers: ASTM F1199-88(2004) - Standard Specification for Cast (All Temperatures and Pressures) and Welded Pipe Line Strainers (150 psig and 150&#176F Maximum)
• Effective Date: 01-Nov-2004
• Refers: ASTM D3951-98(2004) - Standard Practice for Commercial Packaging
• Effective Date: 10-Nov-1998
• Refers: ASTM D3951-98 - Standard Practice for Commercial Packaging
• Effective Date: 10-Nov-1998
• Refers: ASTM F1200-88(1998) - Standard Specification for Fabricated (Welded) Pipe Line Strainers (Above 150 psig and 150&#176F)
• Effective Date: 10-Apr-1998
• Refers: ASTM F1199-88(1998) - Standard Specification for Cast (All Temperatures and Pressures) and Welded Pipe Line Strainers (150 psig and 150&#176F Maximum)
• Effective Date: 10-Apr-1998

Overview

ASTM F1567-94(2019), Standard Specification for Fabricated or Cast Automatic Self-Cleaning, Fuel Oil and Lubricating Oil Strainers, establishes the requirements for automatic, self-cleaning strainers used in fuel and lubricating oil systems, particularly within marine environments. Developed by ASTM International, this standard provides guidance on strainers that are fabricated or cast, either hydraulic, electric, or pneumatic operated, and are designed to operate under positive pressure conditions-typically on the discharge side of pumps.

Products conforming to ASTM F1567-94(2019) ensure effective removal of solid contaminants from fuel and lubricating oils, thereby protecting equipment such as engines, turbines, and pumps from potential damage. The specification encompasses materials, construction, operating parameters, testing, performance, and quality control requirements, facilitating consistent product quality and safety in challenging shipboard environments.

Key Topics

• Scope and Applicability
  The standard covers automatic and continuously self-cleaning strainers suitable for marine, fuel oil, and lubricating oil system applications. It excludes redefinition of existing filtration standards but sets out clear selection and purchasing criteria.

• Design and Material Requirements
  Strainers must be constructed with materials compatible with petroleum products and marine conditions, using corrosion-resistant metals (such as ductile iron, bronze, carbon steel, and stainless steel). Designs must support easy maintenance, self-cleaning functions, and resistance to pressure and environmental stresses.

• Operation and Performance
  The strainer is intended for use under positive pressure and must perform reliably within the specified pressure and temperature ranges (typically 0.21 to 1.03 MPa, and 15°C to 120°C). The self-cleaning mechanism should maintain a low-pressure drop and allow continuous filtration, minimizing manual intervention and ensuring operational safety.

• Testing and Quality Control
  The standard defines a series of performance and operational tests, including flow capacity, inclined flow, strength of internal components, and filtration efficiency. Quality conformance and inspection processes must be documented and adhered to for each unit supplied.

• Ordering and Documentation
  Purchasers must specify operational requirements, connection details, quality, and test plans in the order, ensuring the supplied strainer meets intended application needs. Technical manuals, repair kits, and identification requirements are also outlined.

Applications

• Marine Industry
  ASTM F1567-compliant strainers are extensively used in shipboard fuel oil and lubrication oil systems, protecting heavy machinery from particulate contamination.

• Power Generation
  The standard is relevant for onshore and offshore power plants using large engines and turbines reliant on clean lubrication and fuel systems.

• Industrial Equipment
  Facilities requiring continuous fluid filtration for diesel generators, compressors, and hydraulic machinery benefit from automatic self-cleaning strainers specified by this standard.

• Petrochemical and Refineries
  Ensures consistent, reliable filtration in fluid transfer processes where self-cleaning capabilities reduce maintenance and downtime.

Compliance with ASTM F1567-94(2019) helps organizations meet safety, reliability, and regulatory requirements for critical fluid handling systems, especially under demanding environmental conditions.

Related Standards

• ASTM F1199 - Specification for Cast Pipe Line Strainers
• ASTM F1200 - Specification for Fabricated Pipe Line Strainers
• ASME Boiler and Pressure Vessel Code, Section VIII & IX - Pressure vessel and welding procedures
• ANSI B16.5 & B16.42 - Pipe flanges and fittings
• AWS D1.3 - Structural Welding Code
• MSS SP25 & SP55 - Valve and fitting marking & quality standards
• MIL-S-901, MIL-STD-167-1, MIL-STD-740 - Military standards for shock, vibration, and noise in shipboard applications

Keywords: automatic self-cleaning strainers, fuel oil strainers, lubricating oil strainers, ASTM F1567, marine filtration systems, pressure vessel strainers, industrial oil filtration.

Standards Content (Sample)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: F1567 −94 (Reapproved 2019) An American National Standard
Standard Specification for
Fabricated or Cast Automatic Self-Cleaning, Fuel Oil and
Lubricating Oil Strainers
This standard is issued under the fixed designation F1567; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2.2 ASME Standards:
ASME Boiler and Pressure Vessel Code: Section VIII Divi-
1.1 This specification covers automatic or continuously
sion 1, Pressure Vessels
self-cleaning automatic strainers, or both, for use in fuel and
ASMEBoilerandPressureVesselCode:SectionIX Welding
lubrication oil systems. The strainer is designed to operate
and Brazing Procedures
under positive pressure (discharge side of the pump). Strainers
B16.5 Pipe Flanges and Flanged Fittings (Including Ratings
manufactured to this specification are suitable for use in any
for Class 150, 300, 400, 600, 900, 1500, and 2500)
marine environment.
B16.42 Ductile Iron Pipe Flanges and Flanged Fittings:
1.2 It is not the intent of this document to redefine existing
Classes 150 and 300
filtration standards. The intent is to provide sound guidelines
Y14.5 Dimensioning and Tolerancing
for purchasers and designers of lube oil and fuel oil systems. 5
2.3 American Welding Society Standard:
Nominal micron requirements and filter efficiencies shall be as
AWS D1.3 Structural Welding Code
agreed upon by the purchaser and manufacturer and stated in 6
2.4 MSS Standards:
the purchase order document.
SP25 Standard Marking Systems for Valves and Fittings
1.3 This international standard was developed in accor-
SP55 Quality Standards for Valve, Flanges and Fittings and
dance with internationally recognized principles on standard- Other Piping Components (Visual Method)
ization established in the Decision on Principles for the
2.5 Federal Specification:
Development of International Standards, Guides and Recom- PPP-F-320 Fiberboard: Corrugate and Solid Sheet Stock
mendations issued by the World Trade Organization Technical
(Container Grade) and Cut Shapes
Barriers to Trade (TBT) Committee. 2.6 Military Specifications:
MIL-P-116 Preservation, Methods of
2. Referenced Documents
MIL-B-121 Barrier Material, Greaseproofed,Water Proofed,
2.1 ASTM Standards: Flexible
D3951 Practice for Commercial Packaging MIL-S-901 Shock Tests, H.I. (High Impact): Shipboard
F795 Practice for Determining the Performance of a Filter Machinery, Equipment and Systems, Requirements for
Medium Employing a Single-Pass, Constant-Rate, Liquid MIL-P-15024 Plates, Tags and Bands for Identification of
Test (Withdrawn 2002)
Equipment
F1199 Specification for Cast (All Temperatures and Pres- MIL-P-15024/5 Plates, Identification
sures) and Welded Pipe Line Strainers (150 psig and
2.7 Military Standards:
150°F Maximum) MIL-STD-167-1 Mechanical Vibrations of Shipboard
F1200 Specification for Fabricated (Welded) Pipe Line
Equipment(TypeI—EnvironmentalandTypeIIInternally
Strainers (Above 150 psig and 150°F) Induced)
1 4
This specification is under the jurisdiction of ASTM Committee F25 on Ships Available from American Society of Mechanical Engineers (ASME), ASME
and Marine Technology and is the direct responsibility of Subcommittee F25.11 on International Headquarters, Two Park Ave., New York, NY 10016-5990, http://
Machinery and Piping Systems. www.asme.org.
Current edition approved May 1, 2019. Published June 2019. Originally Available from American Welding Society (AWS), 8669 NW 36 St., #130,
approved in 1994. Last previous edition approved in 2013 as F1567 – 94 (2013). Miami, FL 33166-6672, http://www.aws.org.
DOI: 10.1520/F1567-94R19. AvailablefromManufacturersStandardizationSocietyoftheValveandFittings
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Industry (MSS), 127 Park St., NE,Vienna,VA22180-4602, http://www.mss-hq.org.
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Available from U.S. Government Printing Office, Superintendent of
Standards volume information, refer to the standard’s Document Summary page on Documents, 732 N. Capitol St., NW, Washington, DC 20401-0001, http://
the ASTM website. www.access.gpo.gov.
3 8
The last approved version of this historical standard is referenced on Available from DLA Document Services, Building 4/D, 700 Robbins Ave.,
www.astm.org. Philadelphia, PA 19111-5094, http://quicksearch.dla.mil.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F1567 − 94 (2019)
MIL-STD-740 Airborne and Structureborne Noise Measure- the filter element in segments such that the contaminating
ment and Acceptance Criteria of Shipboard Equipment particlesareflushedfreeofthefilterelement.Theself-cleaning
MIL-STD-2073-1 MaterialProceduresforDevelopmentand action of each unit shall be driven by a motor (electric,
Application of Packaging Requirements pneumatic, or hydraulic).
6.2 Components—Each strainer assembly shall consist of a
3. Terminology
housing with a removable cover, inlet and outlet connections,
3.1 Definitions of Terms Specific to This Standard:
filter/straining element(s), self-cleaning mechanism(s),
3.1.1 filter, or straining element, n—the replaceable compo-
controls, and a differential pressure gauge. The strainer unit
nent in a strainer that performs the barrier separation of solid
shall have suitable supports. The cross-sectional flow area
particles from flowing fluid. It shall be removable for cleaning
throughout the unit shall be equal to or greater than that of the
and servicing.
piping to which the strainer is connected.
3.1.2 maximum allowable working pressure (MAWP), 6.2.1 Housing—The strainer housing, cover, flanges, and
n—the highest internal pressure that the strainer can be other items which form the pressure boundary shall conform to
the requirements of the ASME Boiler and Pressure Vessel
subjected to in service. The maximum non-shock working
pressure for which a strainer is rated by the manufacturer on its Code: Section VIII, Division 1, Pressure Vessels. Cast grey
iron pressure retaining components shall not be used. Units
nameplate.
requiring ASME stamp shall have it specified in the purchase
3.1.3 maximum design temperature, n—the maximum tem-
agreement. The dirty oil inlet shall be located at the lower part
perature for which a strainer is rated by the manufacturer.
of the body and arranged to help prevent contamination of the
3.1.4 strainer, n—a device which, when installed in a
clean outlet side of the strainer during disassembly.
pipeline, provides a mechanical means of removing suspended
6.2.2 Cover—The removable cover shall be secured to the
solids from flowing liquid.
housing by threaded fasteners. Removal of the cover shall
3.1.5 straining element open area, n—the net effective open
provide access to all internal components and shall not require
area of the clean element through which the fluid can pass.
unbolting the inlet and outlet strainer piping connections.
Coverliftingdeviceswithintegralsupportsorliftingeyesshall
4. Classification
be required for covers weighing more than 30 lb.
4.1 Strainers shall be furnished as Type I fuel oil or Type II
6.2.2.1 Antispray feature—Thestrainercovershallcontaina
lubricating oil. The strainers may be either hydraulic, electric,
device to deflect fluid spray downward in the event of gasket
or pneumatic operated.
failure. The spray deflector shall remain in position at all times
when the cover is connected to the housing.
5. Ordering Information
6.2.3 Gasket—The gasket or o-ring shall be capable of
5.1 Ordersforstrainersunderthisspecificationshallinclude providing a positive seal under service and test conditions.The
gasket shall be installed between the cover and strainer
the following:
5.1.1 This specification number, housing. This gasket shall be in place during the hydrostatic
pressure test.
5.1.2 Operating and design requirements for flow rate,
pressure, temperature, nominal micron rating, fluid type, and 6.2.4 Pipe and Flange Dimensions—The inlet and outlet
viscosity.ASME Section VIII Division 1 Code Stamp require- flanges shall be sized and drilled to conform withANSI B16.5,
ments. Class 150 or 300, or as specified in the ordering data (see 5.1.3
5.1.3 Flanged end connections class and type drilling, that and ANSI B 16.42).
is, ANSI, DIN, and so forth.
6.2.5 Element Support—The filter element support shall not
5.1.4 Orientation of inlet and outlet connections (see 6.2.9). permanently deform when the assembly of the filter element
5.1.5 Repair spare parts package (see 14.1).
andelementsupportissubjectedtothestrengthofinternalstest
5.1.6 Quality criteria and test plan requirements. (see 9.3.3). The element support shall be designed to facilitate
5.1.7 Additionaltestorsupplementaryrequirements(thatis,
easy removal of the filter element and element support as one
ship motions and attitude constraints, see 7.3 and S1). assembly. The element support must satisfy the flow area
5.1.8 Strainer element open area if greater than require-
requirements of 6.2.6.
ments in 6.2.6.
6.2.6 Filter Element—The filter element may be furnished
5.1.9 Any special seal requirements.
in any corrosion resistant material compatible with the fluid in
5.1.10 Any special control requirements, that is, differential
service. The filter element shall be attached to the element
pressure gauges, valves, control panels, motors and so forth.
support in such a manner that it can be easily removed and
5.1.11 Certified drawing requirements showing mainte-
replaced from the element support. The straining element open
nance envelope and mounting details.
area shall be at least two to four times larger than the area of
the strainer discharge connection.
6. Materials and Manufacture
6.2.7 Motor—The self-cleaning action of each unit shall be
operated by a motor included as a part of the strainer. This
6.1 The strainer shall be designed to remove contaminating
motor can be hydraulic, electric or pneumatic.
or unwanted solid particles, or both, from fuel oil and lube oil.
The self-cleaning action shall be automatic, and shall have the 6.2.7.1 Hydraulicmotor—Amotorexhaustconnectionsized
ability to backwash, when required, the filtered fluid through to meet the strainer hydraulic motor shall be provided. This
F1567 − 94 (2019)
motor exhaust connection shall also be suitable for venting air cationwhensubjectedtothepurchaseagreementspecifiedship
during the initial fill and pressurization. motion and attitude constraints (see 5.1.7).
6.2.7.2 Electric motor—Electric motors shall be fractional
7.4 Self-Cleaning Rate—The pressure drop through the
horsepower, TEFC, NEMA design B, with a continuous rated
strainer assembly shall not exceed the manufacturer’s maxi-
1.15 service factor or equivalent. Voltage, phase and cycle
mum rated pressure drop during operation. Specifically, the
rating shall be stated in the purchase document.
self-cleaning mechanism shall be capable of maintaining the
6.2.7.3 Pneumatic motor—Designtypeshallbeagreedupon
pressure drop below this value when contaminated fluid is
between the purchaser and manufacturer.
being pumped through the strainer at the design flow specified
6.2.8 Backflush Structure—The backflush structure shall
in 5.1.2.
periodically or continuously clean all of the filter element by
8. Workmanship
backflushing system fluid through the element. The structure
shallcleanthefilterelementinsegmentssoasnottodisruptthe
8.1 Workmanship—The strainer and its components shall be
system flow through the strainer at any time. All impurities
free from blow holes, porosity, hard spots, shrinkage defects
separated shall be isolated from the filtered liquid and dis-
and cracks. All surfaces shall be smooth and clean (reference
charged. All shaft penetrations shall require seals suitable for
MSS SP55). Where dimensions and tolerances affect
oil service.
interchangeability, operation, or performance or any combina-
6.2.9 Connections—The inlet and outlet connections shall
tion thereof, they shall be held.
be flanged. The inlet and outlet shall be permanently marked
8.2 Cleaning—The strainer shall be cleaned of all extrane-
and identified.
ous material and dried.
6.2.9.1 Drain connections shall be provided. These connec-
tions shall be furnished with caps or plugs.
9. Tests
6.2.9.2 The unit shall have a suitable means of removing
9.1 Each strainer will have standard hydrostatic tests per-
sludge from the strainer when it is isolated from service or
formed in accordance with Specifications F1199 or F1200
during normal operation.
whicheverisapplicable.Whenspecifiedaspartofthepurchase
6.2.10 Lifting Attachments—Each housing and the cover
agreement, a detailed test plan may be submitted for approval.
shall be provided with suitable sling attachment areas for
The performance, prototype and operational tests listed herein,
lifting in a normal position. If lifting eyes are used, each eye
shall be performed to prove the design. All strainers produced
shall have the capability to carry the total weight.
under this specification will meet these minimum require-
6.2.11 Mounting—Free standing strainers shall be mounted
ments. Proof of test qualification shall be provided when
by feet attached to the housing. Each foot must be provided
specified in the purchase agreement.
with a suitable hole to accommodate one hold-down bolt.
9.2 Test Extensions—When the following conditions are
6.3 Welding—Welding for nonpressure-boundary compo-
satisfied, extension of a product test of one size to qualify
nents shall be in accordance with theAWS Structural Welding another size is permitted (see Table 1):
Code. Welding for pressure boundary components shall be in
9.2.1 Similar geometry and design characteristics.
accordance with the ASME Boiler and Pressure Vessel Code. 9.2.2 Similar or stronger material than the tested unit.
9.2.3 Same pressure rating.
6.4 Treatment and Painting—The exterior of the strainer
9.2.4 Similar or stronger end connections.
shall be treated and painted in accordance with standard
9.2.5 Similar sealing configurations.
commercial practice.
9.2.6 Same mode of operation and operator attachment.
6.5 Material—Ductile iron, bronze, carbon steel, and stain-
9.3 Operational Tests:
less steel materials used in the fabrication of the automatic
9.3.1 Flow Capacity Test—The test shall be performed in
self-cleaning strainer shall not affect nor be affected by
general accordance with Practice F795. The pressure drop at
petroleum products. Materials shall be in accordance with
the rated flow shall not exceed 0.07 MPa (10 psi) with a fluid
ASTM or ASME specifications. Dissimilar metal connections
viscosity of 250 SSU.
shall be designed to provide optimum corrosion protection.
9.3.2 Inclined Flow Capacity Test—The flow capacity test
6.6 Seals—Strainersealsshallbeelastomerssuitableforthis in 9.3.1 will be performed at a list and trim angle of 30°.
service.
A
TABLE 1 Test Extensions
7. Operating Requirements
Strainer/Filter Pipeline Size
Other Sizes Approved By This Test, mm (in.)
Tested, mm (in.)
7.1 Pressure—The strainer shall be suitable for operation in
3 3
19 ( ⁄4) ⁄4 and smaller
the range of 0.21 to 1.03 MPa (30 to 150 psi).
1 1
50 (2) 25 (1), 32 (1 ⁄4), 40 (1 ⁄2), 50 (2)
150 (6) 65 (2 ⁄2), 80 (3), 100 (4), 150 (6)
7.2 Temperature—The strainer shall be suitable for opera-
200 (8) 200 (8)
tion between 15 to 120°C (60 to 250°F) unless otherwise
250 (10) 250 (10)
specified in the ordering data (see 5.1.2). A
Above 250 mm (10 in.), test extensions methods shall be agreed upon between
the purchaser and the manufacturer and should be specified in the purchase
7.3 Shipboard Performance—Strainers shall be capable of
agreement.
operating in accordance with all requirements of this specifi-
F1567 − 94 (2019)
9.3.3 Strength of Internals Test—The filter elements shall be inspections specified in 10.1.3. Quality conformance inspec-
proven to withstand a minimum pressure differential of ten tion shall be accomplished on 100 % of the assemblies offered.
times the rated clean pressure differential or ⁄3 of the maxi- Only those assemblies which pass all inspections shall be
mum allowable working pressure (MAWP) of the housing, delivered to the purchaser.
whichever is greater. The increased differential pressure shall 10.1.3 Visual and Dimensional Inspection—The visual and
be held or maintained for 30 min. The strainer assembly will dimensional inspection shall consist of the inspection listed in
then be disassembled and inspected. Any permanent deforma- Table 2.
tion or signs of damage shall constitute failure of the test. 10.1.4 Design Data Inspection—The contractor shall pro-
When testing methods are not practical, calculations or finite vide the purchaser with documentation to show that the
element analysis methods may be used as objective evidence requirements of Table 2 have been satisfied. This documenta-
that the strength of internals meet the requirements. The tion may include drawings, engineering analyses, or test data,
acceptance of these methods is to be a matter of contract and or any combination thereof. The inspections listed in Table 3
will be specified in the purchase agreement. shall be verified by engineering review of the documentation
provided.
9.4 Self-Cleaning and Filtration Effıciency Test—The test
fluid shall be an SAE 40 weight lubricating oil. The liquids
11. Product Marking
viscosityshouldbeeither250or500SSU.Thisshallbeclearly
11.1 Consult MSS SP25.
stated on the test report. The test report contaminants shall be
silica sand with a known granular size and distribution.
11.2 Identification—Identification plates, if required in the
Micron Size Contaminants Weight % of Total Less Than Micron Sizes contract, shall be provided and shall incl
...